konsep dasar proxy
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HBFQJ_ LEQE[ _[BS^ ;??>
5N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
HBFQJ_ LEQE[ _[BS^
_{bs~ lepe| lnpecein qjkegen pnceh hj|nge ~efg kj{ln{n ln|jfgec)|jfgec
ef|e{e hjlze pnceh ~efg qe`nfg kj{czkzfgef lef kj{dzfgqn qjkegen pj{ef|e{e,
qjljinhnef qjcnfgge pnceh pj{|eie lef pnceh hjlze |nleh qjae{e `efgqzfgkj{czkzfgef, ehef |j|epn ieqnfg)ieqnfg kj{czkzfgef ljfgef pj{ef|e{e, ~en|z
p{bs~&
Qjkzec efe`bgn8 kn`e qjb{efg ieceqnqwe ijinfmei kzhz ln pj{pzq|eheef,
helefg qn ieceqnqwe |nleh lnpj{kb`jchef `efgqzfg ijfae{n lef ijfgeikn` qjfln{n
kzhz ~efg hn|e nfgnfhef le{n {eh, |j|epn hn|e ijinf|e kzhz |j{qjkz| hjpele
pj|zgeq, |jf|z qeme ljfgef ijikj{nhef fbib{ e|ez hblj kzhzf~e, lef hjizlnef
pj|zgeq |j{qjkz| ~efg ehef ijfae{nhef lef ijfgeikn`hef kzhzf~e& Le`ei heqzq
lne|eq, pj|zgeq pj{pzq|eheef |j{qjkz| |j`ec kj{|nfleh qjkegen pj{ef|e{e e|ez _{bs~&
_j|zgeq |j{qjkz| mzge knqe ijieq|nhef lef ijfmege inqe`f~e, ege{ ieceqnqwe
cef~e knqe ijinfmei kzhz zf|zh ieceqnqwe, lbqjf kb`jc ijinfmei kzhz qjize
kzhz, e|ez ieq~e{ehe| zizi cef~e kb`jc ijinfmei kzhz |j{|jf|z&
Izfghnf p{bqjq |j{qjkz| ijfmeln `jknc `eie lnkeflnfghef kn`e hn|e
`efgqzfg ijfae{n lef ijfgeikn` qjfln{n kzhz ~efg hn|e nfgnfhef& Feizf kn`e
qeme qj|nep he`n pj|zgeq ijfae{n lef ijfgeikn` kzhz zf|zh qjqjb{efg, qn pj|zgeq
mzge ijikze| kjkj{epe qe`nfef le{n kzhz |j{qjkz| qjkj`zi ijikj{nhef kzhzf~e
hjpele b{efg ~efg ijinf|e, lef ijf~nipeff~e ln e|eq ijme pj`e~efef, iehe kn`e
ele b{efg `enf ~efg ijinf|e kzhz |j{|jf|z, qefge| kjqe{ hjizfghnfef kzhz ~efg
lninf|e qzlec |j{qjlne qe`nfeff~e lne|eq ijme, lef qn pj|zgeq |nfgge`
ijikj{nheff~e `efgqzfg& Ceqn`f~e ele`ec `e~efef ~efg `jknc ajpe| lef qjhe`ngzqhjeiefef ~efg kenh&
Efe`bgn lne|eq ijfmj`eqhef hbfqjp lef dzfgqn leqe{ le{n qze|z p{bs~ le`ei
hbizfnheqn me{nfgef hbipz|j{ lef nf|j{fj|& _{bs~ qj{tj{ ijipzf~en 1 dzfgqn
z|eie ~en|z Abffja|nbf Qce{nfg, Dn`|j{nfg lef Aeacnfg& Ieqnfg ieqnfg dzfgqn
ehef lnmj`eqhef `jknc `efmz| lnkewec&
_{bs~ le`ei pjfgj{|neff~e qjkegen pj{ef|e{e, kjhj{me le`ei kj{kegen mjfnq
p{b|bhb` hbizfnheqn me{nfgef lef lepe| kj{ele pele `jtj`)`jtj` ~efg kj{kjle pele
cn{e{hn `e~j{ p{b|bhb` hbizfnheqn me{nfgef& Qze|z pj{ef|e{e lepe| qeme kjhj{me pele
`e~j{ Le|e)@nfh, `e~j{ Fj|wb{h lef \{efqpb{|, iezpzf `e~j{ Ep`nheqn le`eicn{e{hn `e~j{ hbizfnheqn me{nfgef ijfz{z| BQN& Feizf pjfgj{|nef p{bs~ qj{tj{
qjkegnef kjqe{ ele`ec zf|zh ijfzfmzh qze|z qj{tj{ ~efg kjhj{me qjkegen p{bs~
pele `e~j{ Ep`nheqn, ijqhnpzf mzge ehef lnkeceq ijfgjfen p{bs~ pele `jtj`
qn{hzn|&
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HBFQJ_ LEQE[ _[BS^ ;??>
;N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
Le`ei qze|z me{nfgef `bhe` ~efg |j{czkzfg hj me{nfgef `enf e|ez nf|j{fj|,
pjfggzfe |nleh `efgqzfg kj{czkzfgef ljfgef me{nfgef `ze{ e|ez nf|j{fj|, |j|epn
ce{zq ij`jwe|n qze|z ge|jwe~, ~efg kj{|nfleh qjkegen ke|eq ef|e{e me{nfgef `bhe`
lef me{nfgef `ze{& Ge|jwe~ nfn qefge| pjf|nfg, he{jfe me{nfgef `bhe` ce{zq lepe|
ln`nflzfgn ljfgef kenh le{n kece~e ~efg izfghnf kj{eqe` le{n nf|j{fj|, lef ce`
|j{qjkz| ehef qz`n| ln`ehzhef kne` |nleh ele ge{nq ke|eq ~efg mj`eq me{nfgef `bhe` lefnf|j{fj|& Ge|jwe~ mzge kj{|nfleh qjkegen |n|nh lniefe qjmzi`ec hbfjhqn le{n
pjfggzfe `bhe` ehef |j{czkzfg hjpelef~e, lef qze|z hbfjhqn hj me{nfgef `ze{ mzge
|j{czkzfg hjpelef~e& Ljfgef ljinhnef, hbfjhqn le{n me{nfgef `bhe` hj nf|j{fj|
ehef ijfggzfehef qeikzfgef ~efg lnin`nhn b`jc ge|jwe~ qjae{e kj{qeie)qeie
#abffja|nbf qce{nfg.& Le`ei ce` nfn, ge|jwe~ ele`ec mzge qjkegen p{bs~ qj{tj{,
he{jfe ijf~jlnehef `e~efef qjkegen pj{ef|e{e ef|e{e me{nfgef `bhe` lef me{nfgef
`ze{ e|ez nf|j{fj|&
Lneg{ei kj{nhz| ijfggeike{hef pbqnqn lef dzfgqn le{n p{bs~ qj{tj{,
lnef|e{e pjfggzfe lef pjf~jlne e~efef=
Me{nfgef `bhe`
Me{nfgef ze{ e|ez Nf|j{fj|
_jfggzfe
@e~efef
_jfggzfe
_jfggzfe
_j{inf|eef`e~efef
_j{inf|eef`e~efef
_j{inf|eef`e~efef
_{bs~ qj{tj{ $ge|jwe~"dn{jwe``
_{bs~ qj{tj{ijwehn`npj{inf|eef lef pjfj{nieef
le{n pjf~jlne `e~efef
@e~efef
_[BS^, GE\JWE^ LEF DN[JWE@@
_{bs~ qj{tj{ mzge kneqef~e ijfmeln qe|z ljfgef dn{jwe`` qj{tj{, ijqhnpzf
hjlzef~e kjhj{me pele `e~j{ ~efg kj{kjle& Dn{jwe`` e|ez peahj| dn`|j{nfg ~efg
lngzfehef zf|zh ij`nflzfgn me{nfgef `bhe` le{n qj{efgef e|ez gefggzef ~efg
kj{eqe` le{n me{nfgef nf|j{fj| kjhj{me pele `e~j{ fj|wb{h, qjlefghef p{bs~ qj{tj{
kjhj{me pele `e~j{ ep`nheqn& Dn{jwe`` kneqef~e ln`j|ehhef pele {bz|j{){bz|j{, zf|zh
qjcnfgge knqe ij`ehzhef dn`|j{nfg e|eq pehj| ~efg `jwe| le{n lef hj me{nfgef)
me{nfgef ~efg lnczkzfghef&
He{jfe dn{jwe`` ij`ehzhef dn`|j{nfg kj{leqe{hef qze|z led|e{ e|z{ef lef
pjfge|z{ef ehqjq |j{|jf|z, iehe `jknc izlec ijfge|z{ lef ijfgjfle`nhef |{ednh
le{n qzikj{)qzikj{ ~efg |nleh lnpj{ae~e& Dn{jwe`` mzge ij`ehzhef dn`|j{nfg
kj{leqe{hef mjfnq p{b|bhb` ~efg lngzfehef #\A_,ZL_,NAI_. lef pb{| \A_ e|ez
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HBFQJ_ LEQE[ _[BS^ ;??>
1N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
ZL_ ~efg lngzfehef b`jc qze|z `e~efef #qjinqe` |j`fj| e|ez D\_.& Qjcnfgge
dn{jwe`` ij`ehzhef hjfle`n ljfgef ij|blj kb`jc `jwe| e|ez |nleh kb`jc `jwe|,
qjqzen ljfgef led|e{ e|z{ef lef pjfge|z{ef ehqjq ~efg lnkze|& Kn`e qze|z `e~efef
|j{|jf|z e|ez e`eie| |j{|jf|z ij{zpehef `e~efef e|ez e`eie| ~efg |j{pj{ae~e, iehe
lepe| lne|z{ pele dn{jwe`` ege{ pehj| le{n qzikj{ |j{pj{ae~e lnpj{kb`jchef `jwe|&
_eahj| dn`|j{nfg pele dn{jwe`` ijipzf~en hjzfggz`ef ~en|z hjaepe|ef ~efg
`jknc lef |nleh ijij{`zhef hbfdngz{eqn |j{|jf|z pele pjfggzfe)pjfggzfe ~efg
|j{czkzfg& Feizf ln qnqn `enf lepe| ijfnikz`hef hjqz`n|ef, he{jfe ehef qefge|
qz`n| kn`e hn|e ce{zq ijikze| qe|z led|e{ e|z{ef ~efg kef~eh lef hbip`jhq&
Lnqeipnfg n|z, ~efg knqe ln`ehzhef dn{jwe`` cef~e ijipj{kb`jchef e|ez |nleh
ijipj{kb`jchef qze|z pehj| `jwe| kj{leqe{hef pele e`eie| N_ qzikj{ e|ez
e`eie| N_ |zmzef ~efg ele pele pehj| |j{qjkz|& _jf~j{efg knqe ij`ehzhef
ijie`qzhef e`eie| N_ pele pehj| #qpbbdnfg. jifggzfehef e`eie| N_ |j{|jf|z
~efg |j{pj{ae~e, lef dn{jwe`` ehef ij`jwe|heff~e& _jf~j{efg mzge lepe|
ij`ehzhef pjf~elepef pehj| #qfnddnfg. ljfgef {j`e|nd izlec zf|zh ijfgj|eczn
q|{zh|z{ e`eie| N_ pele cjelj{ pehj| ~efg `jwe| ln me{nfgef&
Le`ei efe`bgn pj{pzq|eheef lne|eq, dn`|j{nfg pele dn{jwe`` qj{zpe ljfgef
pj|zgeq pj{pzq|eheef ijfnipef led|e{ ieceqnqwe lef lbqjf ~efg |j{pj{ae~e, lef
ij{jhe kb`jc `efgqzfg ijfgeikn` qjfln{n kzhz ~efg lnnfgnfhef le{n {eh& Nfn knqe
ijfgceqn`hef p{bqjq qn{hz`eqn kzhz ~efg `jknc ajpe|, feizf ijij{`zhef
pjfefgefef hczqzq e|eq led|e{ ~efg lnpj{kb`jchef |j{qjkz|& Nfn mzge kj{jqnhb kn`e
ele qjqjb{efg ~efg ijfggzfhef nljf|n|eq pe`qz, qjcnfgge qjb`ec)b`ec lne ele`ec
qe`ec qe|z le{n ~efg ele le`ei led|e{ ~efg lnpj{kb`jchef&
_{bs~ qj{tj{ ijfggzfehef ae{e ~efg kj{kjle& _{bs~ qj{tj{ ijib|bfg
czkzfgef `efgqzfg ef|e{e pjfggzfe lef `e~efef ~efg lneheqjq #e|ez ef|e{e
ieceqnqwe lef kzhz)kzhz pj{pzq|eheef le`ei efe`bgn lne|eq.& Nfn ln`ehzhef
pj{|eie)|eie ljfgef ijfgzkec e`eie| N_, ijikze| pjij|eef le{n e`eie| N_
me{nfgef `bhe` hj qze|z e`eie| N_ p{bs~, ~efg lngzfehef zf|zh me{nfgef `ze{ e|ez
nf|j{fj|& He{jfe cef~e `eie| N_ p{bs~ |j{qjkz| ~efg ehef lnhj|eczn qjae{e zizi
ln nf|j{fj| #me{nfgef ~efg |nleh |j{pj{ae~e., iehe pjie`qzef |nleh knqe ln`ehzhef&
_JFLJHE\EF @E^J[ BQN
He{jfe p{bs~ kjhj{me pele `e~j{ ep`nheqn, p{bs~ qj{tj{ lepe| kj{me`ef pele
kef~eh ep`nheqn ef|e{e `enf C\\_ _{bs~ e|ez Wjk _{bs~ zf|zh p{b|bhb` C\\_
e|ez Wjk, D\_ _{bs~, QI\_"_B_ _{bs~ zf|zh jien`, FF\_ p{bs~ zf|zh
Fjwqg{bzp, [je`Ezlnb"[je`Tnljb _{bs~ zf|zh iz`|nijlne q|{jeinfg, N[A p{bs~
zf|zh Nf|j{fj| [j`e~ Ace| #N[A., lef `enf)`enf& Ieqnfg)ieqnfg cef~e ehef
ijfj{nie,ijfj{zqhef e|ez ij`ehzhef dn`|j{ e|eq pehj| ~efg lnceqn`hef b`jc
`e~efef ~efg kj{qjqzenef&
_{bs~ ep`nheqn qpjqndnh ijin`nhn pn`ncef hbfdngz{eqn ~efg qefge| kef~eh&Qjkegen abf|bc, Wjk _{bs~ lepe| lnhbfdngz{eqn zf|zh ijfb`eh ehqjq hj qn|zq wjk
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HBFQJ_ LEQE[ _[BS^ ;??>
:N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
Ijhefnqij aeacnfg ehef ijf~nipef bk~jh)bk~jh ~efg ij{zpehef ceqn`
pj{inf|eef le{n le{n pe{e pjfggzfe, ~efg lnlepe| le{n nf|j{fj|& He{jfe p{bs~
qj{tj{ kj{|nfleh qjkegen pj{ef|e{e, iehe p{bs~ qj{tj{ ijflepe|hef bk~jh)bk~jh
|j{qjkz| `jknc lecz`z le{n qzikj{f~e zf|zh jhizlnef ln|j{zqhef hjpele pjinf|e
~efg qjqzfggzcf~e& Le`ei p{bqjq |j{qjkz|, p{bs~ qj{tj{ mzge qjhe`ngzq
ijf~nipef bk~jh)bk~jh |j{qjkz| zf|zh ln{nf~e qjfln{n le`ei {zefg lnqh ~efglnqjlnehef #aeacj.&
Ljfgef ljinhnef, kn`e qze|z qee| ele pjfggzfe ~efg ijinf|e qze|z
`e~efef hj nf|j{fj| ~efg ijfgeflzfg bk~jh)bk~jh ~efg qeie ljfgef ~efg qzlec
pj{fec lninf|e qjkj`zif~e, ~en|z ~efg qzlec ele le`ei aeacj, iehe p{bs~ qj{tj{
ehef lepe| `efgqzfg ijikj{nhef bk~jh le{n aeacj ~efg lninf|e hjpele pjfggzfe,
|efpe ce{zq ijinf|e z`efg hj qj{tj{ eq`nf~e ln nf|j{fj|& Kn`e pj{inf|eef |j{qjkz|
|nleh lepe| ln|jizhef le`ei aeacj ln p{bs~ qj{tj{, ke{z hjizlnef p{bs~ qj{tj{
ijfj{zqhef e|ez ijinf|eheff~e hj qj{tj{ eq`nf~e ln nf|j{fj|&
_{bqjq aeacnfg nfn mzge |nleh hj`nce|ef kegn pjfggzfe #|{efqpe{ef., he{jfekegn pjfggzfe |nleh |eipeh qnepe qjkjfe{f~e ~efg ~efg ijikj{nhef bk~jh ~efg
lninf|ef~e, epehec p{bs~ qj{tj{ ~efg ijfgeikn` le{n aeacj)f~e e|ez qj{tj{ eq`n
ln nf|j{fj|& Le{n qnqn pjfggzfe, qjize ehef feipeh qjkegen ke`eqef `efgqzfg le{n
nf|j{fj|&
Qe`ec qe|z p{bs~ ~efg pe`nfg kef~eh lnkeceq lef lngzfehef qjae{e `zeq
ele`ec C\\_ p{bs~ e|ez Wjk p{bs~& C\\_ p{bs~ qj{tj{ ij{zpehef p{bs~ ~efg
kj{ln{n lnef|e{e e`bheqn wjk pjfggzfe inqe`f~e wjk k{bwqj{ lef wjk qj{tj{ e|ez
C\\_ qj{tj{&
Hj|nhe pjfggzfe ijikzhe k{bwqj{ lef ijfgj|nhhef Z[@, iehe abf|jf|
~efg lninf|e Z[@ |j{qjkz| lnfeiehef Nf|j{fj| Bkmja|& _j{|eie lne ehef kj{|ef~e
|j{`jknc lecz`z hj qjkzec LFQ #Lbienf Feij Qj{tj{.& LFQ ehef ijfae{n N_
Ell{jqq le{n Z[@ |j{qjkz| le`ei le|ekeqjf~e lef ijikj{n mewekef hjpele k{bwqj{
|j{qjkz| hjike`n& Qj|j`ec k{bwqj{ ijflepe|hef N_ Ell{jqq, iehe ne ehef ijikzhe
czkzfgef hj pb{| c||p wjk qj{tj{ |zmzef& Wjk qj{tj{ ehef ijfljfge{hef elef~e
pj{inf|eef le{n k{bwqj{ `e`z ijikj{nhef abf|jf| ~efg lninf|e |j{qjkz|& Qj|j`jc
k{bwqj{ ijfj{nie abf|jf| iehe czkzfgef ljfgef wjk qj{tj{ kneq lnpz|zq& Abf|jf|
`e`z ln|eipn`hef lef lnqnipef lnle`ei ce{lnqh&
Abf|jf| ~efg lnqnipef lnle`ei ce{lnqh kneqef~e lnqjkz| aeacj bkmja| ~efgfe|nf~e ehef lngzfehef mnhe pjfggzfe hjike`n ijfgzfmzfgn qn|j ~efg qeie,
inqe`f~e ljfgef ijfgh`nh |bikb` keah e|ez ij`nce| cnq|b{~& Le`ei hzfmzfgef
kj{nhz|f~e, k{bwqj{ ehef ijij{nhqe te`nleqn abf|jf| ~efg lnqnipeff~e, te`nleqn nfn
ln`ehzhef ljfgef ijikeflnfghef cjelj{ abf|jf| ~efg ele pele aeacj bkmja| ljfgef
~efg ele pele wjk qj{tj{, mnhe abf|ja| kj`zi jspn{jl #hele`zwe{qe. iehe abf|ja|
|eln ehef ln|eipn`hef hjike`n hj k{bwqj{&
Aeacj bkmja| ~efg lnqnipef le`ei ce{lnqh `bae` nfn cef~e kneq lnpehen b`jc
pjfggzfe qjfln{nef, |nleh kneq lnkegn ljfgef pjfggzfe ~efg `enff~e, `enf ce` mnhe
abf|jf| |j{qjkz| lnqnipef pele qjkzec qj{tj{, lniefe qjize abipz|j{ |j{czkzfg
ljfgef qj{tj{ |j{qjkz|, iehe aeacj bkmja| |j{qjkz| kneq lnpehen kj{qeie)qeie, qj{tj{|j{qjkz|`ec ~efg fef|nf~e ehef lnfeiehef aeacj qj{tj{ e|ez p{bs~ qj{tj{&
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HBFQJ_ LEQE[ _[BS^ ;??>
4N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
Aeacj qj{tj{ ln`j|ehhef pele |n|nh lnef|e{e h`njf lef wjk qj{tj{ & _ele
abf|bc lne|eq h`njf ehef ijinf|e abf|jf| le{n qze|z wjk qj{tj{ hj aeacj qj{tj{, |nleh
`efgqzfg hj wjk qj{tj{ |zmzef& Aeacj qj{tj{ nfn`ec ~efg kj{|efggzfg mewek zf|zh
ijflbwf`bel abf|jf| ~efg lninf|e lef ijikj{nheff~e pele h`njf& Abf|jf| |eln
lnqnipef pele ce{lqnh `bae` aeacj qj{tj{& @enf weh|z, ele h`njf ~efg ijinf|eabf|jf| ~efg qeie, iehe aeacj qj{tj{ |nleh pj{`z ijfgeikn` `efgqzfg le{n qj{tj{
|zmzef |epn |nfgge` ijikj{nhef abf|jf| ~efg qzlec ele& Lnqnfn`ec `j|eh bp|nieqn
aeacj qj{tj{ |j{qjkz|&
Ele lze mjfnq ij|blj aeacnfg, ~en|z peqnd lef eh|nd& Qjpj{|n |j`ec hn|e
hj|eczn, bkmja| ~efg lnqnipef knqe qeme ijfaepen jspn{jl, zf|zh ijij{nhqef~e
ln`ehzhef te`nleqn& Mnhe te`nleqn nfn ln`ehzhef qj|j`ec ele pj{inf|eef le{n h`njf,
ij|blj nfn lnqjkz| peqnd& _ele aeacnfg eh|nd, aeacj qj{tj{ ijfgeie|n bkmja| lef pb`e
pj{zkeceff~e& Inqe`hef pele qjkzec bkmja| lnlepe|n qj|nep ce{nf~e kj{zkec qj|nep
mei 5; qnefg lef pjfggzfe kneqef~e ijikeaef~e mei 5
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HBFQJ_ LEQE[ _[BS^ ;??>
7N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
_j{inf|eef le{npjfggzfe wjk
k{bwqj{, {eflbi lef|nleh |j{e|z{
_jfggzfe me{nfgef bhe`
_j{inf|eef le{n
p{bs~"aeacj qj{tj{,
|j{z{z| lef |j{e|z{
nf|j{fj|
qwn|acE K A L J D G C
Q J @ J A \J L
BF) @NF J Dn{jwe``"{bz|j{
Le|e ~efg lnkj{nhefb`jc aeacj qj{tj{
hj wjk k{bwqj{
Wjk _{bs~"aeacj
qj{tj{
Le|e le{n nf|j{fj|, hj|nhelninf|e, ehef lnqnipef
le`ei aeacj
7
-
7/23/2019 Konsep Dasar Proxy
8/61
HBFQJ_ LEQE[ _[BS^ ;??>
3N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
Cn{e{hn Aeacj
Ef|e{e aeacj qj{tj{ kneq |j{me`nf qe`nfg hj{me qeie& _{b|bhb` hj{me qeie nfn
kj{feie Nf|j{fj| Aeacj _{b|bab` #NA_.& Ljfgef NA_, qnq|ji aeacj kneq ijipzf~en
cn{e{hn& Cn{e{hn lnkjf|zh b`jc lze mjfnq czkzfgef, ~en|z pe{jf| lef qnk`nfg&
_e{jf| =aeacj qj{tj{ ~efg wemnk ijfae{nhef abf|jf| ~efg lninf|e b`jc h`njf
Qnk`nfg =aeacj qj{tj{ ~efg wemnk ijikj{nhef abf|jf| ~efg lninf|e mnhe ijiefg
|j{qjlne& Mnhe |nleh, qnk`nfg |nleh wemnk zf|zh ijfae{nheff~e
Le{n lze czkzfgeff~e nfn, qnq|ji aeacj kneq lnljqenf qjae{e kj{|nfghe|&
Inqe`hef le`ei ijfljqenf qjkzec NQ_ e|ez fj|wb{h heipzq, efle kneq ijipzf~en
`jknc le{n qe|z aeacj qj{tj{ ~efg qe`nfg qnk`nfg qe|z ljfgef ~efg `enff~e&
Qhjfe{nb `enff~e inqe`hef ef|e{e aeacj hef|b{ pzqe| lef hef|b{ aekefg, lniefe
hef|b{ pzqe| |j{`j|eh ln ge|jwe~ nf|j{fj|& _e{jf| hef|b{ pzqe| qj`enf lngzfehef
fj|wb{h `bhe`f~e, mzge lnkjkefn |{ednh ~efg kj{eqe` le{n aeacj qj{tj{ in`nh hef|b{
aekefg&
Zf|zh kj{ieaei)ieaei ljqenf aeacj lepe| ln`nce| le{n qhjie geike{ kj{nhz| =
Nf|j{fj|
Qnk`nfg ;
Aeacj pe{jf|
Qnk`nfg 5
_ele geike{ lne|eq mj`eq kecwe ef|e{e aeacj qnk`nfg ~efg qe|z ljfgef ~efg
`enff~e qe`nfg kj{|zhe{ bkmja|, lef mnhe |nleh ele iehe aeacj qnk`nfg ehef ijinf|e
abf|jf| hj aeacj qj{tj{, lef aeacj qj{tj{ wemnk zf|zh ijikj{nheff~e, le`ei hbflnqn
~efg qjqzfggzcf~e czkzfgef aeacj qnk`nfg kneq `jknc le{n qe|z&
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HBFQJ_ LEQE[ _[BS^ ;??>
>N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
Nf|j{fj|
Aeacj pe{jf| Aeacj qj{tj{
Czkzfgef mjfnq nfn kj{qnde| hj|j{gef|zfgef pjfzc, aeacj acn`l #aeacj qj{tj{.
iez |nleh iez ce{zq ijinf|e hjpele pe{jf|, lef pe{jf| pzf kj{hjwemnkef zf|zh
ijijfzcn pj{inf|eef acn`l |efpe hjaze`n, pele hbflnqn ele e|ez |nlehf~e bkmja| ~efg
lninf|e ln le`ei ce{lqnhf~e& Lef kegn acn`l, kn`e pe{jf| |nleh kneq ijijfzcn
pj{inf|eef, iehe aeacj acn`l ehef ijikj{nhef pjqef j{{b{ pele k{bwqj{ h`njf
kecwe Z[@ iezpzf abf|jf| ~efg lninf|e |nleh lepe| lneikn`&
\[EFQ_E[JF\ _[BS^
Qe`ec qe|z hbip`jhqn|eq le{n p{bs~ pele `jtj` ep`nheqn ele`ec kecwe pele qnqn
pjfggzfe ce{zq ln`ehzhef hbfdngz{eqn ~efg qpjqndnh zf|zh qze|z p{bs~ |j{|jf|z ege{
knqe ijfggzfehef `e~efef le{n qze|z p{bs~ qj{tj{& Kn`e lnnfgnfhef ege{ pjfggzfe
|nleh ce{zq ij`ehzhef hbfdngz{eqn hczqzq, hn|e knqe ijfghbfdngz{eqn p{bs~"aeacjqj{tj{ ege{ kj{me`ef qjae{e kjfe{)kjfe{ |{efqpe{ef |j{celep pjfggzfe #|{efqpe{jf|
p{bs~.& Kneqef~e ae{e nfn ijij{`zhef kef|zef lef hbfdngz{eqn ep`nheqn dn{jwe`` #~efg
kjhj{me pele `e~j{ fj|wb{h. zf|zh knqe ijikze| |{efqpe{jf| p{bs~ ~efg kjhj{me pele
`e~j{ ep`nheqn&
\{efqpe{jf| p{bs~ lepe| kj{gzfe zf|zh ijiehqe pjfggzfe ijfggzfehef
p{bs~"aeacj qj{tj{, he{jfe pjfggzfe kjfe{)kjfe{ |nleh ijfgj|eczn |jf|efg
hjkj{eleef p{bs~ nfn, lef epepzf hbfdngz{eqn pele qnqn pjfggzfe, qj`eie p{bs~
qj{tj{ nfn kj{ele pele me`z{ me{nfgef ~efg peq|n ln`e`zn b`jc pjfggzfe zf|zh ijfzmz hj
nf|j{fj|, iehe pjfggzfe peq|n ljfgef qjfln{nf~e ehef ijfggzfehef p{bs~"aeacj
nfn&
Ae{e ijikze| |{efqpe{jf| p{bs~ ele`ec ljfgef ijikj`bhhef e{ec
#{jln{ja|nfg. le{n pehj|)pehj| zf|zh qze|z ep`nheqn |j{|jf|z, ljfgef ijfggzfehef qe|z
e|ez `jknc e|z{ef pele dn{jwe``"{bz|j{& Ce` nfn knqe ln`ehzhef he{jfe qj|nep ep`nheqn
kj{keqnq \A_ ehef ijfggzfehef qe`ec qe|z pb{| ~efg |j{qjlne, lef dn{jwe`` lepe|
lne|z{ ege{ ijikj`bhhef pehj| ~efg ijfzmz hj pb{| `e~efef |j{|jf|z, hj e{ec pb{|
le{n p{bs~ ~efg kj{qjqzenef&
Qjkegen abf|bc, pele qee| h`njf| ijikzhe czkzfgef C\\_ #pb{| 3?. ljfgef
qze|z wjk qj{tj{, dn{jwe`` pele {bz|j{ ~efg ijfj{nie qjgj{e ijfgjfe`n kecwe ele
pehj| le|e ~efg kj{eqe` le{n h`njf ljfgef fbib{ pb{| 3?& Lnqnfn hn|e mzge ijipzf~enqe|z C\\_ p{bs~ qj{tj{ ~efg kj{me`ef pele pb{| 151?& Iehe pele dn{jwe`` {bz|j{ hn|e
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10/61
HBFQJ_ LEQE[ _[BS^ ;??>
5?N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
kze| qe|z e|z{ef ~efg ijf~e|ehef kecwe qj|nep pehj| ~efg le|efg le{n me{nfgef `bhe`
ijfzmz hj pb{| 3? ce{zq lnkj`bhhef hj e{ec e`eie| C\\_ p{bs~ qj{tj{ pb{| 151?&
Ehnke|f~e, qjize pj{inf|eef wjk le{n pjfggzfe ehef ieqzh lef lnwehn`n b`jc
C\\_ p{bs~ qj{tj{ lne|eq&
Wjk qj{tj{ |zmzef
_b{| 151? [juzjq| hj pb{| 3?
qj{tj{h`njf
Meln qjae{e zizi hjzf|zfgef le{n ij|blj |{efqpe{jf| p{bs~ n|z qjfln{n ele`ec =
5& Hjizlecef elinfnq|{eqn me{nfgef, ljfgef e{|nef k{bwqj{ ~efg lngzfehef
h`njf |nleh ce{zq lnhbfdngz{eqn qjae{e hczqzq ~efg ijf~e|ehef kecwe ij{jhe
ijfggzfehef deqn`n|eq p{bs~ ~efg kj{qefghz|ef&
;& Qjf|{e`nqeqn hbf|{b`, ljfgef e{|nef, pj{gef|nef ij|blj k~peqq p{bs~ iezpzf
pjfggzfeef p{bs~ b`jc h`njf lepe| ln`ehzhef qjae{e |j{pzqe|&
QUZNL WJK _[BS^"AEACJ
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HBFQJ_ LEQE[ _[BS^ ;??>
55N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
Qe`ec qe|z abf|bc ep`nheqn p{bs~"aeacj qj{tj{ ele`ec Quznl& Quznl lnhjfe`qjkegen ep`nheqn p{bs~ lef aeacj qj{tj{ ~efg cefle`& _ele pnceh h`njf kjhj{me
ep`nehqn k{bwqj{ ~efg ijinf|e {juzjq| c||p pele pb{| 3?& K{bwqj{ nfn qj|j`ec
lnhbfdngz{eqn ehef ijinf|e abf|jf|, ~efg qj`efmz|f~e lnqjkz| bkmja|, hjpele aeacj
qj{tj{, ljfgef fbib{ pb{| ~efg |j`ec lnqjqzenhef ljfgef in`nh qj{tj{, fbib{ ~efglnpehen kzhef pb{| 3? ij`enfhef pb{| 3?3? 151? #hjkef~ehef aeacj qj{tj{
ijfggzfehef pb{| n|z qjkegen q|efle{f~e.&
_ele qee| k{bwqj{ ijfgn{nihef cjelj{ pj{inf|eef, qnf~e` c||p {juzjq|
lnhn{nihef hj qj{tj{& Cjelj{ |j{qjkz| ln|j{nie quznl lef lnkeae& Le{n ceqn`
pjikeaeef, quznl ehef ijipe{qnfg Z[@ ~efg lnkz|zchef, `e`n Z[@ nfn
lnababhhef ljfgef le|ekeqj aeacj ~efg ele&
Le|ekeqj nfn kj{zpe hzipz`ef ij|ele|e #qjieaei cjelj{. le{n bkmja| ~efg
qzlec ele lnle`ei ce{lnqh& Mnhe ele, bkmja| ehef lnhn{nihef hj h`njf lef |j{ae|e|
le`ei `bggnfg kecwe h`njf |j`ec ijflepe|hef bkmja| ~efg lninf|e& Le`ei `bg
hjmelnef |j{qjkz| ehef lnae|e| qjkegen \A_RCN\& Qjke`nhf~e, mnhe bkmja| ~efg
lninf|e |j{f~e|e |nleh ele, quznl ehef ijfae{nf~e le{n pjj{ e|ez `efgqzfg hj
qj{tj{ |zmzef& Qj|j`ec ijflepe|hef bkmja|f~e, quznl ehef ijf~nipef bkmja|
|j{qjkz| hj le`ei ce{lnqh& Qj`eie le`ei p{bqjq lbwf`bel bkmja| nfn lnfeiehef
bkmja| nf |{efqn| ~efg qjijf|e{e ehef ijfgczfn {zefg ijib{n& Le`ei ieqe
lbwf`bel |eln, bkmja| iz`en lnhn{nihef hj h`njf lef qj|j`ec qj`jqen, hjmelnef nfn
|j{ae|e| le`ei `bg qjkegen \A_RINQQ&
Czkzfgef ef|e{ aeacj e|ez fef|nf~e lnqjkz| pjj{ n|z qjfln{n ele lze mjfnq,
~en|z pe{jf| lef qnk`nfg& Qnk`nfg hjlzlzheff~e qe`nfg qjmeme{ ljfgef qnk`nfg`enff~e, qjlefghef pe{jf| ele`ec kj{ele lne|eq qnk`nfg, lze mjfnq pjj{ nfn ~efg
qj`efmz|f~e ehef kj{gefljfgef ijikjf|zh me{nfgef cn{e{hn aeacj
NA_ qjkegen p{b|bhb` aeacj kj{pj{ef le`ei ijfef~ehef hj|j{qjlneef
bkmja| le`ei aeacj& Le`ei qjkzec me{nfgef qjkzec aeacj ~efg ijipzf~en qnk`nfg,
ehef ijfabke ijfae{n ~efg lnkz|zchef hj pjj{ qnk`nfg `enff~e, kzhef hjpele
pe{jf|, aeacj ehef ijfgn{nihef qnf~e` nap hjpele qnk`nfg lef qnk`nfg
ijike`eqf~e ljfgef nfdb{ieqn hj|j{qjlneef ele e|ez |nleh& Kn`e ele, aeacj ehef
ijfae|e|hef NA_RCN\ le`ei `bgf~e& Qj|j`ec hjpeq|nef bkmja| kneq lneikn` le{n
qnk`nfg, `e`z aeacj ehef ijfgn{nihef qnf~e` c||p hj qnk`nfg zf|zh ijfgeikn`
bkmja| ~efg lniehqzl& Lef qj|j`ec ijflepe|heff~e, aeacj ehef ijfae|e| `bgQNK@NFGRCN\&
Mnhe |j{f~e|e qnk`nfg |nleh ijf~jlnehef bkmja| ~efg lnae{n, aeacj ehef
ijinf|ef~e hjpele pe{jf|& Qjkegen pe{jf|, ne wemnk ijfae{nhef bkmja| ~efg
lninf|e |j{qjkz| we`ezpzf ne qjfln{n |nleh ijin`nhnf~e #\A_RINQQ.& Qj|j`ec
bkmja| lnlepe|hef le{n qj{tj{ b{ngnf, bkmja| ehef lnhn{nihef hj aeacj acn`l |eln,
qj|j`ec ijflepe|heff~e aeacj acn`l ehef ijfae|e|f~e qjkegen _E[JF\RCN\&
Hbfdngz{eqn, pjfggzfeef lef ij|blj Quznl
Hbfdngz{eqn)hbfdngz{eqn ijfleqe{ quznl ef|e{e `enf =
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HBFQJ_ LEQE[ _[BS^ ;??>
5;N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
5& c||pRpb{| fbib{ pb{|&
Nfn ehef ijfzfmzhhef fbib{ pb{| ~efg ehef lnpehen zf|zh ijfme`efhef quznl&
Fbib{ pb{| nfn ehef lnpehen zf|zh kj{czkzfgef ljfgef h`njf lef pjj{&
;& napRpb{| fbib{ pb{|&Nfn ehef ijfzfmzhhef fbib{ pb{| ~efg ehef lnpehen zf|zh ijfme`efhef quznl&
Fbib{ pb{| nfn ehef lnpehen zf|zh kj{czkzfgef ljfgef h`njf lef pjj{&
1& aeacjRpjj{ feieRpjj{ |npjRpjj{ fbib{Rpb{|Rc||p fbib{Rpb{|Rnap bp|nbf&
Qnf|eqh le{n aeacj pjj{ nfn lngzfehef zf|zh kj{czkzfgef ljfgef pjj{ `enf, lef pjj{
`enf ~efg lnhbfjhqnhef nfn |npjf~e kj{gef|zfg le{n |npj pjj{ ~efg |j`ec lnljh`e{eqnhef
nfn, kneq kj{|npj qnk`nfg iezpzf kj{|npj pe{jf|,lef pb{| ~efg lngzfehef zf|zh
czkzfgef NA_ iezpzf C\\_ mzge lnljh`e{eqnhef lnqnfn, qjlefgehef zf|zh pe{eij|j{
bp|nbf lnqnfn ele kj{ieaei)ieaei qe`ec qe|zf~e ele`ec ljdez`| ~efg kj{e{|n lne
ele`ec qe|z)qe|zf~e pe{jf| ~efg ce{zq lnczkzfgn #mnhe kj{|npj pe{jf|. lef p{bs~)bf`~
~efg kj{e{|n kecwe bkmja| ~efg lnpe|e le{n pjj{ |j{qjkz| |nleh pj{`z lnqnipef le`eice{lnqh bae`&
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HBFQJ_ LEQE[ _[BS^ ;??>
51N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
EA@ #Eaajqq Abf|{b` @nq|.
Qj`efmz|f~e hbfdngz{eqn)hbfdngz{eqn `efmz|ef quznl, qj`enf qjkegen aeacj
qj{tj{, quznl ~efg ijiefg kj{|nfleh qjkegen pe{jf| zf|zh ijinf|e bkmja| le{n
h`njff~e lepe| mzge lnhbfdngz{eqn zf|zh pjfge|z{ef ceh ehqjq `jknc `efmz|, zf|zhpj{|eie he`n ~efg lnknae{ehef ele`ec EA@ #eaajqq abf|{b` `nq|., EA@ qjfln{n |j{ln{n
le{n kjkj{epe |npj ef|e{e `enf =
) Q{a
N_ Ell{jqq eqe` ~efg lngzfehef h`njf
) Lq|
N_ Ell{jqq |zmzef ~efg lninf|e h`njf
) I~np
N_ Ell{jqq `bae` lniefe h`njf |j{czkzfg
) Q{albienf
Feie lbienf eqe` h`njf
) lq|lbienf
Feie lbienf |zmzef h`njf
) Q{albiR{jgjs
_jfae{nef pb`e qjae{e q|{nfg le{n feie lbienf eqe` h`njf
) Lq|lbiR{jgjs
_jfae{nef pb`e qjae{e q|{nfg le{n feie lbienf |zmzef h`njf
) \nij
Weh|z lnf~e|ehef le`ei ce{n lef mei
) _{b|b
_{b|bhb` |{efqdj{ #c||p, d|p, gbpcj{.
) Ij|cblIj|blj pj{inf|eef c||p #gj|, pbq|, abffja|.
Kj{nhz|f~e ele`ec abf|{b` `nq| ~efg ehef lngzfehef zf|zh ijfge|z{ abf|{b` le{n
EA@, abf|{b` `nq| |j{qjkz| ef|e{e `enf =
) c||pReaajqq
ijipj{kb`jchef eajqq c||p
) napReaajqq
ijipj{kb`jchef pjj{ zf|zh ijfgn{nihef nap zf|zh ijfuzj{~ bkmja|
) inqqReaajqq
ijipj{kb`jchef h`njf ijinf|e bkmja| ~efg kj`zi ele #inqq. lnle`ei aeacj
) fbRaeacjbkmja| ~efg lninf|e h`njf |nleh pj{`z lnqnipef hj ce{lnqh
) e`we~qRln{ja|
pj{inf|eef ~efg ln|efgefn `efgqzfg hj qj{tj{ b{ngnf
) fjtj{ ln{ja|
pj{inf|eef ~efg ln|efgefn qjae{e |nleh `efgqzfg hj qj{tj{ b{ngnf&
Qjkegen abf|bc lnkj{nhef qnf|ehq hbfdngz{eqn EA@ qjpj{|n lnkewec nfn =
!kegnef EA@EA@ `bae`fj| q{a 5>;&543&5??&?";
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HBFQJ_ LEQE[ _[BS^ ;??>
5;&543&5??&5 5>;&543&5??&;:< #EA@ `bae`fj|. |j`ec
lnnmnfhef zf|zh ijfgehqjq c||p ~efg ln|zfmzhhef b`jc c||pReaajqq e``bw `bae`fj|,
lef lnkewecf~e ele EA@ e``q{a ~efg n|z ele`ec ijfaehzp qjize led|e{ N_
Ell{jqq lef EA@ n|z |nleh lnpj{kb`jchef ijfgehqjq c||p, ~en|z c||pReaajqqRljf~
e``q{a, |epn he{jfe pele EA@ `bae`fj| lne |j`ec lnjhqjhzqn zf|zh qjkegen N_
Ell{jqq ~efg kb`jc ijfgehqjq, iehe we`ezpzf lnke{nq kwecf~e ln lnjhqjhzqn
`egn, n|z |nleh ehef kj{pjfge{zc,ce`)ce` qjpj{|n n|z lngzfehef zf|zh qjb{efg
elinfnq|{e|b{ aeacj qj{tj{ zf|zh ij`ehzhef pjfgbf|{b`ef ege{ |nleh ehef |j{`e`z
lj|en` ij`ehzhef pjfge|z{ef mnhe ke{nq e|eq lef kewec qeie)qeie qe`nfg
ijipjfge{zcn&
_jj{nfg
Hjike`n ijiknae{ehef |jf|efg hbfdngz{eqn pjj{nfg& Iehe ln quznl bp|nbf
e|ez pe{eij|j{)pe{eij|j{ zf|zh pjfge|z{ef quznl kef~eh qjhe`n te{neqnf~e ef|e{e
`enf |j{lepe| le`ei abf|bc lnkewec nfn =
AeacjRpjj{ zgi&ea&nl qnk`nfg 3?3? 151? p{bs~)bf`~AeacjRpjj{ n|k&ea&nl pe{jf| 15;3 151? fb)lngjq| {bzfl){bknf
AeacjRpjj{ zn&ea&nl pe{jf| 15;3 151> wjngc|9; fb)lngjq|
Zf|zh pjfge|z{ef lne|eq, |npj pjj{ kenh qnk`nfg iezpzf pe{jf|, fbib{ pb{|
zf|zh czkzfgef nap iezpzf c||p |j`ec lnmj`eqhef pele kek qjkj`zif~e, lnqnfn ehef
lnkeceq |jf|efg bp|nbf ~efg ele ~en|z p{bs~)bf`~, {bzfl){bknf, lef fb)lngjq|&
_ele kegnef qnk`nfg aeacj pjj{ n|z lnljdnfnqnhef qjkegen p{bs~)bf`~ ~efg
kj{e{|n qj`z{zc bkmja| ~efg lnlepe|hef le{n qnk`nfg |nleh ehef lnqnipef hj le`ei
ce{lqnh, kjgn|z bkmja| qj`jqen lnlbwf`bel iehe bkmja| |j{qjkz| ehef `efgqzfg
lnqj{echef hjpele h`njf lef bkmja| ehef lncepzq le{n ijib{n, bp|nbf qj`efmz|f~eele`ec wjngc|, bp|nbf wjngc| ele`ec lngzfehef zf|zh pjfge|z{ef p{nb{n|eq ~efg
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7/23/2019 Konsep Dasar Proxy
15/61
HBFQJ_ LEQE[ _[BS^ ;??>
5:N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
qjiehnf |nfggn fn`enf~e iehe lne ele`ec aeacj pe{jf| ~efg ehef lnczkzfgn |j{`jknc
lecz`z, bp|nbf {bzfl){bknf kj{dzfgqn zf|zh ijiz|e{ gn`n{ef pe{jf| iefe ~efg
ehef lninf|e ijfae{nhef bkmja|, pele heqzq nfn mnhe ele |j{lepe| kef~eh pe{jf|
~efg |nleh lnkj{n bp|nbf wjngc| zf|zh p{nb{n|eq iehe bp|nbf {bzfl){bknf lngzfehef
zf|zh ijfggn`n{ aeacj ~efg ehef lnczkzfgn qjae{e kj{gef|nef&
Qjlefg bp|nbf fb)lngjq| ele`ec ij{zpehef qe`ec qe|z e`|j{fe|ntj quznl
kj{knae{e ljfgef pjj{& Aeacj lngjq| ijfggzfehef ae{e ijfgzipz`hef cjelj{
ieqnfg)ieqnfg bkmja| ~efg |j`ec lnqnipef hjle`ei qjkzec dn`j& Dn`j nfn ~efg
fef|nf~e ehef lndb{we{l e|ez lnlbwf`bel b`jc pjj{ ljfgef ijfggzfehef p{b|bhb`
c||p& Cjelj{ nfn lnhzipz`hef le`ei tj{qn |j{hbip{jq ljfgef {eqnb |nfggn&
Ljfgef ijipj{b`jc aeacj)lngjq| le{n pjj{, quznl ijipj{b`jc hjmj`eqef
q|e|zq ele |nlehf~e bkmja| ~efg lninf|e, |efpe pj{`z kj{|ef~e lz`z qjkj`zif~e
`jwe| p{b|bhb` NA_, Mj`eq le{n qnfn quznl lepe| ijfgbp|ninqeqn kefwn|lc, |j{z|eie
mnhe pjj{ |j{`j|eh le`ei me{eh `bgnhe cbbp ~efg azhzp mezc& Aeacj lngjq| n|z qjfln{n
ljgjfj{e|j qjae{e kj{he`e lef kjqe{f~e |j{gef|zfg le{n mzi`ec qj|nep bkmja|,ieqnfg)ieqnfg bkmja| |j{qjkz| lnqnipef le`ei cjelj{ qjkef~eh 5? kn|q&
Bkmja| Aeacj
_jfge|z{ef bkmja| qjkzec aeacj qj{tj{ ij{zpehef qe`ec qe|z ce` ~efg pj{`z
lnpj{ce|nhef lnqnfn& \j`ec lnhj|eczn qjkj`zif~e kecwe bkmja| lnqnipef pele lze
`jtj` aeacjRln{ ~efg kjqe{ `jtj`f~e lnljdnfnqnhef pele hbfdngz{eqn z|eie quznl&
Bkmja| n|z qjfln{n kj{nqnhef abf|jf| Z[@ ~efg lninf|e h`njf lef lnqnipef le`ei
kjf|zh dn`j knfe{~, ieqnfg)ieqnfg bkmja| ijipzf~en ij|ele|e ~efg qjkegnef le{n
nqnf~e lnqnipef lnle`ei ijib{n zf|zh ijizlechef ij`eaeh lniefe `j|eh bkmja|lef epe nqn le{n bkmja| |j{qjkz|& Kef~eh qnde|)qnde| ~efg pj{`z lneie|n zf|zh
bp|nieqn quznl nfn, ef|e{e `enf =
Ziz{ bkmja|
Ziz{ bkja| ij{zpehef qjkzec zhz{ef weh|z ~efg lnceknqhef qjkzec bkmja| zf|zh
|nfgge` lnle`ei ce{lnqh aeacj& Ziz{ bkmja| lnke|eqn b`jc kjkj{epe dea|b{, ~en|z =
ij|blj pjfgcepzqef bkmja|
bkmja| lncepzq knqe ij`e`zn kjkj{ep e`gb{n|ie pjfgcepzqef =
e& @bgnq|na [jg{jqqnbf =
~en|z ijfgcepzq bkmja| ljfgef hjizfghnfef `bgnq|na {jg{jqqnbf |j{hjan`&Hjizfghnfef `bgnq|na {jg{jqqnbf knqe lne{|nhef qjkegen kjqe{f~e hjizfghnfef
bkmja| |j{qjkz| ehef lnehqjq lnweh|z ~efg ehef le|nfg&
k& @jeq| [jajf|`~ Zqjl =
~en|z ij|blj pjfgcepzqef bkmja| kj{leqe{hef weh|z hepef bkmja| |j{qjkz|
|j{ehcn{ lnehqjq& Qjiehnf `eie #kjqe{. weh|zf~e, hjizfghnf lncepzq mzge
ehef qjiehnf kjqe{&
a& @jeq| D{juzjf|`~ Zqjl =
Ij|blj pjfgcepzqef bkmja| ~efg pe`nfg me{efg lnehqjq&
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16/61
HBFQJ_ LEQE[ _[BS^ ;??>
54N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
l& Dn{q| Nf Dn{q| Bz| =
_jfgcepzqef ~efg ij{zfz| ij|blj kj{leqe{hef weh|z ieqzh hj le`ei
aeacjRln{, ~en|z bkmja| ~efg pe`nfg ewe` ieqzh, kj{e{|n n|z ele`ec bkmja| ~efg
ehef lncepzq |j{`jknc lecz`z&
j& [eflbi =Ijfgcepzq bkmja| qjae{e {eflbi&
Hepeqn|eq ce{lnqh aeacj
Qjiehnf kjqe{ hepeqn|eq aeacj, kj{e{|n qjiehnf `eie ziz{ bkmja| |j{qjkz|
knqe lnqnipef, mnhe pjiehenef ce{lnqh qzlec ijfljhe|n ke|eq e|eq
#aeacjRqwepRcngc. pjfgcepzqef ehef qjiehnf qj{nfg ln`ehzhef&
Ijib{n
Ijib{n lnpehen quznl le`ei kef~eh ce`& Qe`ec qe|z abf|bc pjieheneff~e
ele`ec zf|zh lnqnipeff~e bkmja| ~efg pbpz`e{, `e}nif~e lnqjkz| cb| bkmja|&
Mzi`ec cb| bkmja| ~efg lnqnipef le`ei ijib{n knqe lne|z{ ljfgef bp|nbf
aeacjRiji pele quznl&abfd
Qjkjfe{f~e ~efg pe`nfg ijiehef ijib{n ele`ec ij|ele|e bkmja|, he{jfe
hjkef~ehef bkmja| qjfln{n qjkjfe{f~e lnqnipef le`ei ln{jh|b{n aeacjRln{ ce{lqnh
`bae`& Qjiehnf kef~eh hepeqn|eq aeacjRln{, qjiehnf kef~eh pz`e ij|ele|e lef
qjiehnf ijikjkefn pjiehenef ijib{n& _ele hjkef~ehef heqzq zf|zh qj|nep
5&???&??? mzi`ec bkmja|, {e|e){e|e lnkz|zchef qjkjqe{ 7; IK ijib{n zf|zh
hjqj`z{zcef bkmja| lef 5,;: IK zf|zh ij|ele|e& Mzi`ec bkmja| nfn knqe lnlepe|hef
le{n kjqe{ aeacjRln{ lnkegn ljfgef mzi`ec {e|e){e|e hepeqn|eq bkmja|, kneqef~eqj|nep bkmja| kj{fn`en 51 HK&
Ijfgnfge| pjf|nfgf~e hj|j{qjlneef ijib{n, pjf|nfg zf|zh ij`nce| qjkegzq
epe ep`nheqn pjfge`bheqnef ijib{n ~efg ele pele qnq|ji bpj{eqn ~efg qjlefg
kjhj{me& Qjae{e ljdez`| pele qnq|ji bpj{eqn qzlec |j{qjlne {z|nf p{bg{ei zf|zh
e`bheqn ijib{n e|ez ie``ba #ijib{~ e``bae|nbf.& Feizf pele kjkef ~efg qefge|
kjqe{ lef |efpe lnnikefgn pjfeikecef ijib{n ~efg ijielen, ie``ba ehef
ijfaepen ke|eq e|eq pj{db{iefqn lef hjizlnef ijfaepen q|e|zq hj|nlehq|ekn`ef,
lef quznl ehef ijfz`nqhef kef~eh pjqef j{{b{ pele `bg, inqe`f~e qjpj{|n =
sie``ba = Zfek`j |b e``bae|j 4 k~|jq%&
Mnhe nfn |j{meln, `efghec ~efg lepe| ln`ehzhef ele`ec ij`ehzhef
pjfeikecef ijib{n, lef `efghec hjlze mnhe nfgnf `jknc q|ekn` ele`ec ijfgnfq|e``
`nk{e{~ zf|zh {z|nf p{bg{ei ie``ba ~efg `jknc ke{z&
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17/61
HBFQJ_ LEQE[ _[BS^ ;??>
57N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
_[BS^ QJ[TJ[ @E^J[ FJ\WB[H
Qe`ec qe|z abf|bc p{bs~ ~efg kjhj{me pele `e~j{ me{nfgef ele`ec ep`nheqn
dn{jwe`` ~efg ijfme`efhef Fj|wb{h Ell{jqq \{efq`e|nbf #FE\.& FE\ qj`e`zlngzfehef pele {bz|j{ e|ez ge|jwe~ ~efg ijfme`efhef ep`nheqn dn{jwe``& FE\
lngzfehef zf|zh ijfgzkec e`eie| N_ pehj| \A_"N_, kneqef~e le{n e`eie| N_ me{nfgef
`bhe` hj e`eie| N_ pzk`nh, ~efg lepe| lnhjfe`n ln nf|j{fj|&
_ele qze|z me{nfgef `bhe` #`bae` E{je Fj|wb{h., qj|nep hbipz|j{ lnle`eif~e
ijfggzfehef e`eie| N_ `bhe`, ~en|z e`eie| N_ ~efg qzlec lnqjlnehef zf|zh hjpj{`zef
me{nfgef `bhe`, lef |nleh ehef lnhjfe`n e|ez ln|j{nie b`jc {bz|j{){bz|j{ ln Nf|j{fj|&
Hj|nhe hbipz|j{)hbipz|j{ pele me{nfgef `bhe` |j{qjkz| ijij{`zhef zf|zh
ijfgehqjq `e~efef ln nf|j{fj|, pehj|)pehj| N_ ~efg kj{eqe` le{n me{nfgef `bhe` ce{zq
lngef|n e`eie| qzikj{f~e ljfgef qe|z e`eie| N_ pzk`nh ~efg knqe ln|j{nie ln nf|j{fj|&
Lnqnfn`ec p{bqjq FE\ ln`ehzhef b`jc ep`nheqn dn{jwe`` ln Ge|jwe~, qjcnfgge qze|z
qj{tj{ ln nf|j{fj| ~efg ijfj{nie pj{inf|eef le{n me{nfgef `bhe` ehef ijfgjfe`n pehj|le|efg ijfggzfehef e`eie| N_ ge|jwe~, ~efg kneqef~e ijipzf~en qe|z e|ez `jknc
e`eie| N_ pzk`nh&
_ele p{bqjq FE\ nfn, ep`nheqn dn{jwe`` ln ge|jwe~ ijf~nipef qe|z led|e{ e|ez
|ekj` |{efq`eqn e`eie| kj{nhz| ae|e|ef qjqn hbfjhqn \A_"N_ le{n hbipz|j{)hbipz|j{
`bhe` ~efg ijfggzfeheff~e, qjcnfgge p{bqjq pjike`nhf~e knqe ln`ehzhef, ~en|z
hj|nhe pehj| mewekef le{n nf|j{fj| le|efg, ge|jwe~ lepe| ijfgj|eczn |zmzef
qjkjfe{f~e le{n pehj| nfn, ij`ehzhef p{bqjq pjike`nhf~e #lj)FE\. lef hjizlnef
ijf~eipenhef pehj| |j{qjkz| hj hbipz|j{ `bhe` |zmzef ~efg qjkjfe{f~e&
_[BS^ QJ[TJ[ _ELE @JTJ@ QN[HZN\
_{bs~ qj{tj{ ~efg kjhj{me pele `jtj` qn{hzn| lnkze| zf|zh ijf~jlj{cefehef
hjeleef& _{bs~ nfn |nleh kjhj{me pele `e~j{ ep`nheqn, ehef |j|epn kjhj{me qjkegen
qeikzfgef ef|e{e `e~j{ ep`nheqn lef `e~j{ |{efqpb{|, ij`ehzhef pjief|ezef
|j{celep qjqn)qjqn \A_ ef|e{e pjfggzfe lef pjf~jlne `e~efef e|ez qjke`nhf~e&
_{bs~ nfn mzge ieqnc kj{|nfleh qjkegen pj{ef|e{e, feizf mzge ijikefgzf qze|z
qn{hzn| tn{|ze` lnef|e{e `e~j{ ep`nheqn lef `e~j{ |{efqpb{|&
Ljfgef p{bs~ `jtj` qn{hzn|, ep`nheqn h`njf pele pjfggzfe |nleh pj{`z
lnhbfdngz{eqn zf|zh qj|nep mjfnq ep`nheqn& Qjkegen abf|bc, ljfgef ijfggzfehef
Ina{bqbd| _{bs~ Qj{tj{, qjhe`n qeme lnpj{`zhef zf|zh ijfgnfq|e`` WnfQbah _{bs~
pele hbipz|j{ pjfggzfe, qj|j`ec n|z ep`nheqn)ep`neheqn qjpj{{|n Wnflbwq Ijlne
_`e~j{, N[A e|ez |j`fj| lepe| `efgqzfg ijfggzfeheff~e qjpj{|n kn`e |j{czkzfg
`efgqzfg hj nf|j{fj|&
Hj`jiecef le{n p{bs~ `jtj` qn{hzn| ele`ec |nleh knqe ijij{nhqe nqn le{n
pehj| ~efg lnhn{nihef e|ez ln|j{nie b`jc ep`nheqn)ep`nheqn ~efg ijfggzfeheff~e&Hj`jiecef nfn lnabke lne|eqn ijfggzfehef |jhfb`bgn ~efg lnqjkz| QBAHQ&
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18/61
HBFQJ_ LEQE[ _[BS^ ;??>
53N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
QBAHQ ele`ec p{bs~ `jtj` qn{hzn| ~efg lepe| lngzfehef zf|zh qjize ep`nheqn
#gjfj{nh p{bs~. ~efg kj{keqnq \A_"N_, lnhjikefghef qjhn|e{ |eczf 5>>? b`jc
Nf|j{fj| Jfgnfjj{nfg \eqh Db{aj #NJ\D. lef qzlec ijfaepen tj{qn : #[DA 5>;3.&
QBAHQ ijf~jlnehef q|efle{ ~efg nfljpjfljf le{n p`e|db{i ~efg lngzfehef
zf|zh ijfgehqjq p{bs~ `jtj` qn{hzn|& Qe`ec qe|z hjieipzef pjf|nfg QBAHQ tj{qn
: ele`ec |eikecef p{bqjq ez|jf|nheqn lef peqqwb{l, qj{|e ijikj{nhef `e~efefp{bs~ |j{celep `e~efef kj{keqnq ZL_, ljfgef pj{|eie)|eie ij`ehzhef hbfjhqn
\A_, ljf hjizlnef ijfggzfeheff~e zf|zh {j`e~ kegn le|e ZL_&
QBAHQ |j{ln{n le{n lze hbipbfjf, ~en|z QBAHQ qj{tj{ lef QBAHQ h`njf&
QBAHQ qj{tj{ lnnip`jijf|eqnhef pele `j~j{ ep`nheqn, qjlefghef QBAHQ h`njf
lnnip`jijf|eqnhef lnef|e{e `e~j{ ep`nheqn lef `e~j{ |{efqpb{|& Hjgzfeef pbhbhf~e
ele`ec zf|zh knqe ijf~j`jfgge{ehef hbfjhqn le{n qe|z cbq| pele qe|z qnqn le{n
QBAHQ qj{tj{ ljfgef cbq| `enf pele qnqn ~efg `enf le{n QBAHQ qj{tj{, |efpe
hjlze cbq| ce{zq |j{czkzfg `efgqzfg le`ei hbf|jhq \A_"N_&
Lneg{ei kj{nhz| ijfggeike{hef pbqnqn QBAHQ=
A`njf| QBAHQ Qj{tj{
@e~j{ ep`nheqn @e~j{ ep`nheqn @e~j{ ep`nheqn
@e~j{ |{efqpb{| @e~j{ |{efqpb{| @e~j{ |{efqpb{|
@e~j{ Dnqnh @e~j{ Dnqnh @e~j{ Dnqnh
Hj|nhe qe|z ep`nheqn h`njf nfgnf |j{czkzfg ljfgef qj{tj{ ep`nheqn, pj{|eie)
|eie lne ijfgczkzfgn QBAHQ p{bs~ qj{tj{& _{bs~ nfn`ec ~efg ehef ij`ehzhef
{j`e~ le|e lef ijfgczkzfghef h`njf ljfgef qj{tj{& Kegn qn h`njf, QBAHQ p{bs~qj{tj{ ele`ec qj{tj{, lef kegn qj{tj{, QBAHQ p{bs~ qj{tj{ ele`ec h`njf& QBAHQ
p{bs~ ij`ehzhef 1 |ecep p{bqjq ~en|z ijikze| pj{inf|eef hbfjhqn, ijikze|
qn{hzn| p{bs~)f~e, lef ij`ehzhef {j`e~ le|e& QBAHQ tj{qn : ijfeikec qe|z
p{bqjlz{ ~en|z p{bqjq ez|jf|nheqn pele qj|nep `efghec lne|eq&
Ep`nheqn ~efg ijfggzfehef QBAHQ tj{qn : qjmzi`ec ijipzf~en
hjzfggz`ef ~en|z =
5& _{bs~ gjfj{nh ~efg |nleh |j{gef|zfg pele ep`nheqnf~e #epp`nae|nbf)
nfljpjfljf| p{bs~.& QBAHQ ijikze| lef ijfge|z{ aceffj` hbizfnheqn ~efg
lngzfehef zf|zh qjize ep`nheqn me{nfgef& Elef~e ep`nheqn ke{z |nleh ijij{`zhef
pjfgjikefgef |eikecef& _{bs~ `e~j{ ep`nheqn ce{zq ijikze| qbd|we{j p{bs~ ke{z
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HBFQJ_ LEQE[ _[BS^ ;??>
5>N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
zf|zh qj|nep ep`nheqn ke{z, lef p{bs~ `e~j{ fj|wb{h ljfgef nfqpjhqn pjfzc ce{zq
ijikze| ae{e nfqpjhqn p{b|bhb` ke{z&
;& ehqjq ~efg |{efqpe{ef pele me{nfgef ljfgef kef~eh qj{tj{ p{bs~&
1& hjizlecef ez|jf|nheqn lef ij|blj jfh{npqn& Cef~e ijfggzfehef qe|zp{b|bhb` qeme zf|zh pjikefgzfef aceffj` hbizfnheqn qjize pjfggzfe lef
ep`nheqn, lef p{bqjq ez|jf|nheqnf~e& Hjkef~ehef p{b|bhb` |zfj`nfg ijinqechef
p{bqjq ez|jf|nheqn lef p{bqjq pjikefgzfef aceffj` hbizfnheqn&
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20/61
HBFQJ_ LEQE[ _[BS^ ;??>
;?N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
H`njf ep`nheqn QBAHQ tj{qn : Qj{tj{ ep`nheqn
hn{ni hj|j{efgef ij|blj _j{nhqe hjknmehef
Tj{ndnheqn ij|blj Hn{ni ij|blj ~efg lnpn`nc
_{bqjq ez|jf|nheqn _{bqjq ez|jf|nheqn
QBAHQ tj{qn
;5N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! \EG= ez|cRpe{ei
! \EG= ez|cjf|nae|jRaeacjRge{kegjRnf|j{te`
! \EG= ez|cjf|nae|jR||`
! \EG= ez|cjf|nae|jRnpR||`
! EAAJQQ ABF\[B@Q
! \EG= js|j{fe`Rea`R|~pj! \EG= ea`
ea` qjs z{`R{jgjs )n +a="quznl"j|a"quznl"qjs"qjs&|s|+
!ea` fb|qjs z{`R{jgjs )n +a="quznl"j|a"quznl"fb|qjs"fb|qjs&|s|+
c||pReaajqq ljf~ qjs
!%fb|qjs
ea` e`` q{a ?&?&?&?"?&?&?&?
ea` iefegj{ p{b|b aeacjRbkmja|
ea` bae`cbq| q{a 5;7&?&?&5";::&;::&;::&;::
ea` |bR`bae`cbq| lq| 5;7&?&?&?"3
ea` QQ@Rpb{|q pb{| ;&543&?&;?1 5>;&543&?&5;7
c||pReaajqq e``bw q|edd
c||pReaajqq e``bw hef|b{
! \EG= c||pReaajqq;
! \EG= c||pR{jp`~Reaajqq
! \EG= napReaajqqnapReaajqq e``bw e``
! \EG= c|apReaajqq
! \EG= c|apRa`{Reaajqq
! \EG= inqqReaajqq
! \EG= nljf|R`bbhzpReaajqq
! \EG= {jp`~Rkbl~RiesRqn}j k~|jq e``bwljf~ ea` ea`&&&
! \EG= db``bwRsRdb{we{ljlRdb{
! \EG= ea`RzqjqRnfln{ja|Ra`njf| bfbdd
! \EG= lj`e~Rpbb`RzqjqRnfln{ja|Ra`njf| bfbdd
! \EG= `bgRzqjqRnfln{ja|Ra`njf| bfbdd
! FJ\WB[H B_\NBFQ! \EG= c||pRpb{|
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HBFQJ_ LEQE[ _[BS^ ;??>
;;N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! \EG= c||pqRpb{|
! \EG= |apRbz|gbnfgR|bq
! \EG= |apRbz|gbnfgRell{jqq
! QQ@ B_\NBFQ
! \EG= qq`Rzfa`jefRqcz|lbwf
! \EG= qq`Rjfgnfj! \EG= qq`p{bs~Ra`njf|Raj{|ndnae|j
! \EG= qq`p{bs~Ra`njf|Rhj~
! \EG= qq`p{bs~Rtj{qnbf
! \EG= qq`p{bs~Rbp|nbfq
! \EG= qq`p{bs~Ranpcj{
! \EG= qq`p{bs~Raedn`j
! \EG= qq`p{bs~Raepe|c
! \EG= qq`p{bs~Rd`egq
! \EG= qq`peqqwb{lRp{bg{ei
! B_\NBFQ WCNAC EDDJA\ \CJ FJNGCKB[ QJ@JA\NBF E@GB[N\CI
! \EG= aeacjRpjj{! \EG= aeacjRpjj{Rlbienf
! \EG= aeacjRpjj{Reaajqq
! \EG= fjngckb{R|~pjRlbienf
! \EG= ljelRpjj{R|nijbz| #qjabflq.
! \EG= cnj{e{ac~Rq|bp`nq|
! \EG= aeacjRiji #k~|jq.
! \EG= iesniziRbkmja|Rqn}jRnfRijib{~ #k~|jq.
! \EG= ijib{~R{jp`eajijf|Rpb`na~
! LNQH AEACJ B_\NBFQ
! \EG= aeacjR{jp`eajijf|Rpb`na~
! \EG= aeacjRln{
! \EG= q|b{jRln{Rqj`ja|Re`gb{n|ci
! \EG= iesRbpjfRlnqhRdlq
! \EG= infniziRbkmja|Rqn}j #k~|jq.
! \EG= iesniziRbkmja|Rqn}j #k~|jq.
! \EG= aeacjRqwepR`bw #pj{ajf|, ?)5??.
! \EG= aeacjRqwepRcngc #pj{ajf|, ?)5??.
! @BGDN@J B_\NBFQ
! \EG= `bgdb{ie|
! \EG= eaajqqR`bg
! \EG= `bgReaajqq e``bwljf~ ea` ea`&&&! \EG= aeacjR`bg
! \EG= aeacjRq|b{jR`bg
! \EG= aeacjRqwepRq|e|j
! \EG= `bgdn`jR{b|e|j
! \EG= jiz`e|jRc||plR`bg bfbdd
! \EG= `bgRnpRbfRln{ja| bfbdd
! \EG= inijR|ek`j
! \EG= `bgRinijRcl{q bfbdd
! \EG= zqj{egjf|R`bg
! \EG= {jdj{j{R`bg
! \EG= pnlRdn`jfeij! \EG= ljkzgRbp|nbfq
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7/23/2019 Konsep Dasar Proxy
23/61
HBFQJ_ LEQE[ _[BS^ ;??>
;1N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! \EG= `bgRdulf bfbdd
! \EG= a`njf|Rfj|ieqh
! \EG= db{we{lR`bg
! \EG= q|{npRuzj{~R|j{iq
! \EG= kzddj{jlR`bgq bfbdd
! B_\NBFQ DB[ D\_ GE\JWE^NFG! \EG= d|pRzqj{
! \EG= d|pR`nq|Rwnl|c
! \EG= d|pRpeqqntj
! \EG= d|pRqefn|~acjah
! \EG= d|pR|j`fj|Rp{b|bab`
! B_\NBFQ DB[ JS\J[FE@ QZ__B[\ _[BG[EIQ
! \EG= z{`R{jw{n|jRacn`l{jf
! \EG= z{`R{jw{n|jRabfaz{{jfa~
! \EG= z{`R{jw{n|jRcbq|Rcjelj{
! \EG= z{`R{jw{n|jReaajqq
! \EG= {jln{ja|b{Rk~peqq! \EG= `bae|nbfR{jw{n|jRp{bg{ei
! \EG= `bae|nbfR{jw{n|jRacn`l{jf
! \EG= `bae|nbfR{jw{n|jRabfaz{{jfa~
! \EG= `bae|nbfR{jw{n|jReaajqq
! B_\NBFQ DB[ \ZFNFG \CJ AEACJ
! \EG= aeacj
! \EG= {jd{jqcRpe||j{f
!Qzggjq|jl ljdez`|=
{jd{jqcRpe||j{f Vd|p= 5
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7/23/2019 Konsep Dasar Proxy
24/61
HBFQJ_ LEQE[ _[BS^ ;??>
;
15N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! Qzpp{jqq Quznl tj{qnbf q|{nfg nfdb nf C\\_ cjelj{q efl C\I@ j{{b{ pegjq&
!
!Ljdez`|=
! c||plRqzpp{jqqRtj{qnbfRq|{nfg bdd
tnqnk`jRcbq|feij efwe{! Nd ~bz wef| |b p{jqjf| e qpjane` cbq|feij nf j{{b{ ijqqegjq, j|a,
! ljdnfj |cnq& B|cj{wnqj, |cj {j|z{f te`zj bd gj|cbq|feij#.
! wn`` kj zqjl& Nd ~bz cetj iz |np`j aeacjq nf e a`zq|j{ efl
! gj| j{{b{q ekbz| N_)db{we{lnfg ~bz izq| qj| |cji |b cetj nflntnlze`
! feijq wn|c |cnq qj||nfg&
!
!Ljdez`|=
! fbfj
! \EG= zfnuzjRcbq|feij
! Nd ~bz wef| |b cetj iz`|np`j ieacnfjq wn|c |cj qeij! 'tnqnk`jRcbq|feij' ~bz izq| gntj jeac ieacnfj e lnddj{jf|
! 'zfnuzjRcbq|feij' qb db{we{lnfg `bbpq aef kj lj|ja|jl&
!
!Ljdez`|=
! fbfj
! \EG= cbq|feijRe`neqjq
! E `nq| bd b|cj{ LFQ feijq ~bz{ aeacj ceq&
!
!Ljdez`|=
! fbfj
! \EG= zieqh
! Infnizi zieqh wcnac qcbz`l kj jfdb{ajl wcn`j |cj p{bs~
! nq {zffnfg, nf elln|nbf |b |cj zieqh qj| e| q|e{|zp&
!
! Fb|j= Qcbz`l q|e{| wn|c e ? |b nflnae|j |cj fb{ie` ba|e`
! {jp{jqjf|e|nbf bd zieqhq
!
!Ljdez`|=
! zieqh ?;7
! B_\NBFQ DB[ \CJ AEACJ [JGNQ\[E\NBF QJ[TNAJ
! )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
!
! \cnq qja|nbf abf|enfq pe{eij|j{q db{ |cj #bp|nbfe`. aeacj
! effbzfajijf| qj{tnaj& \cnq qj{tnaj nq p{btnljl |b cj`p
! aeacj elinfnq|{e|b{q `bae|j bfj efb|cj{ nf b{lj{ |b mbnf b{
! a{je|j aeacj cnj{e{acnjq&
!
! Ef 'effbzfajijf|' ijqqegj nq qjf| #tne ZL_. |b |cj {jgnq|{e|nbf! qj{tnaj k~ Quznl& K~ ljdez`|, |cj effbzfajijf| ijqqegj nq FB\
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32/61
HBFQJ_ LEQE[ _[BS^ ;??>
1;N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! QJF\ zf`jqq ~bz jfek`j n| wn|c 'effbzfajRpj{nbl' kj`bw&
!
! \cj effbzfajijf| ijqqegj nfa`zljq ~bz{ cbq|feij, p`zq |cj
! db``bwnfg nfdb{ie|nbf d{bi |cnq abfdngz{e|nbf dn`j=
!
! c||pRpb{|! napRpb{|
! aeacjRig{
!
! E`` az{{jf| nfdb{ie|nbf nq p{bajqqjl {jgz`e{`~ efl ielj
! eten`ek`j bf |cj Wjk e|c||p=""www&n{aeacj&fj|"Aeacj"\{eahj{"&
! \EG= effbzfajRpj{nbl
! \cnq nq cbw d{juzjf|`~ |b qjfl aeacj effbzfajijf|q& \cj
! ljdez`| nq o?' wcnac lnqek`jq qjflnfg |cj effbzfajijf|
! ijqqegjq&
!! \b jfek`j effbzfanfg ~bz{ aeacj, mzq| zfabiijf| |cj `nfj
! kj`bw&
!
!Ljdez`|=
! effbzfajRpj{nbl ?
!
!\b jfek`j effbzfanfg ~bz{ aeacj, mzq| zfabiijf| |cj `nfj kj`bw&
!effbzfajRpj{nbl 5 le~
! \EG= effbzfajRcbq|
! \EG= effbzfajRdn`j
! \EG= effbzfajRpb{|
! effbzfajRcbq| efl effbzfajRpb{| qj| |cj cbq|feij efl pb{|
! fzikj{ wcj{j |cj {jgnq|{e|nbf ijqqegj wn`` kj qjf|&
!
! Cbq|feij wn`` ljdez`| |b '|{eahj{&n{aeacj&fj|' efl pb{| wn``
! ljdez`| ljdez`| |b 1515& Nd |cj 'dn`jfeij' e{gzijf| nq gntjf,
! |cj abf|jf|q bd |ce| dn`j wn`` kj nfa`zljl nf |cj effbzfaj
! ijqqegj&
!
!Ljdez`|=! effbzfajRcbq| |{eahj{&n{aeacj&fj|
! effbzfajRpb{| 1515
! C\\_L)EAAJ@J[E\B[ B_\NBFQ
! )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
! \EG= c||plReaaj`RfbRpi|zRlnqa bfbdd
! Nf ief~ qj|zpq bd |{efqpe{jf|`~ nf|j{ajp|nfg p{bsnjq _e|c)I\Z
! lnqabtj{~ aef fb| wb{h bf |{eddna |bwe{lq |cj a`njf|q& \cnq nq
! |cj aeqj wcjf |cj nf|j{ajp|nfg ljtnaj lbjq fb| dz``~ |{eah! abffja|nbfq efl den`q |b db{we{l NAI_ izq| d{egijf| ijqqegjq
http://www.ircache.net/Cache/Tracker/http://www.ircache.net/Cache/Tracker/http://www.ircache.net/Cache/Tracker/http://www.ircache.net/Cache/Tracker/ -
7/23/2019 Konsep Dasar Proxy
33/61
HBFQJ_ LEQE[ _[BS^ ;??>
11N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! |b |cj aeacj qj{tj{&
!
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! qpb{elnae``~ cefg b{ fjtj{ abip`j|j {juzjq|q qj| |cnq |b bf&
!
!Ljdez`|=! c||plReaaj`RfbRpi|zRlnqa bdd
! LJ@E^ _BB@ _E[EIJ\J[Q
! )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
lj`e~Rpbb`q 5
lj`e~Ra`eqq 5 5
lj`e~Rpe{eij|j{q 5 1???">>???
lj`e~Reaajqq 5 e``bw q|edd
lj`e~Reaajqq 5 ljf~ e``
! \EG= lj`e~Rpbb`q! \cnq {jp{jqjf|q |cj fzikj{ bd lj`e~ pbb`q |b kj zqjl& Db{ jseip`j,
! nd ~bz cetj bfj a`eqq ; lj`e~ pbb` efl bfj a`eqq 1 lj`e~q pbb`, ~bz
! cetj e |b|e` bd ; lj`e~ pbb`q&
!
!Ljdez`|=
! lj`e~Rpbb`q ?
! \EG= lj`e~Ra`eqq
! \cnq ljdnfjq |cj a`eqq bd jeac lj`e~ pbb`& \cj{j izq| kj jsea|`~ bfj
! lj`e~Ra`eqq nfj db{ jeac lj`e~ pbb`& Db{ jseip`j, |b ljdnfj |wb
! lj`e~ pbb`q, bfj bd a`eqq ; efl bfj bd a`eqq 1, |cj qj||nfgq ekbtj
! efl cj{j wbz`l kj=
!
!Jseip`j=
! lj`e~Rpbb`q ; ! ; lj`e~ pbb`q
! lj`e~Ra`eqq 5 ; ! pbb` 5 nq e a`eqq ; pbb`
! lj`e~Ra`eqq ; 1 ! pbb` ; nq e a`eqq 1 pbb`
!
! \cj lj`e~ pbb` a`eqqjq e{j=
!
! a`eqq 5 Jtj{~|cnfg nq `nin|jl k~ e qnfg`j egg{jge|j! kzahj|&
!
! a`eqq ; Jtj{~|cnfg nq `nin|jl k~ e qnfg`j egg{jge|j
! kzahj| eq wj`` eq ef +nflntnlze`+ kzahj| acbqjf
! d{bi kn|q ;: |c{bzgc 1; bd |cj N_ ell{jqq&
!
! a`eqq 1 Jtj{~|cnfg nq `nin|jl k~ e qnfg`j egg{jge|j
! kzahj| eq wj`` eq e +fj|wb{h+ kzahj| acbqjf
! d{bi kn|q 57 |c{bzgc ;< bd |cj N_ ell{jqq efl e
! +nflntnlze`+ kzahj| acbqjf d{bi kn|q 57 |c{bzgc
! 1; bd |cj N_ ell{jqq&!
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7/23/2019 Konsep Dasar Proxy
34/61
HBFQJ_ LEQE[ _[BS^ ;??>
1
1:N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! #a`eqq 5, ;, 1.&
!
! nflntnlze` |cj +lj`e~ pe{eij|j{q+ db{ |cj nflntnlze`
! kzahj|q #a`eqq ;, 1.&
!
! fj|wb{h |cj +lj`e~ pe{eij|j{q+ db{ |cj fj|wb{h kzahj|q! #a`eqq 1.&
!
! E pen{ bd lj`e~ pe{eij|j{q nq w{n||jf {jq|b{j"iesnizi, wcj{j {jq|b{j nq
! |cj fzikj{ bd k~|jq #fb| kn|q ) iblji efl fj|wb{h qpjjlq e{j zqze``~
! uzb|jl nf kn|q. pj{ qjabfl p`eajl nf|b |cj kzahj|, efl iesnizi nq |cj
! iesnizi fzikj{ bd k~|jq wcnac aef kj nf |cj kzahj| e| ef~ |nij&
!
! Db{ jseip`j, nd lj`e~ pbb` fzikj{ 5 nq e a`eqq ; lj`e~ pbb` eq nf |cj
! ekbtj jseip`j, efl nq kjnfg zqjl |b q|{na|`~ `nin| jeac cbq| |b 4
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7/23/2019 Konsep Dasar Proxy
36/61
HBFQJ_ LEQE[ _[BS^ ;??>
14N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! \EG= waapR{bz|j{
! Fb|j= \cnq bp|nbf nq bf`~ eten`ek`j nd Quznl nq {jkzn`| wn|c |cj
! ))jfek`j)waap bp|nbf
!
! \EG= waap;R{bz|j{
! Fb|j= \cnq bp|nbf nq bf`~ eten`ek`j nd Quznl nq {jkzn`| wn|c |cj! ))jfek`j)waapt; bp|nbf
!
! Zqj |cnq bp|nbf |b ljdnfj ~bz{ WAA_ oocbij'' {bz|j{ db{
! Quznl&
!
! waapR{bz|j{ qzppb{|q e qnfg`j WAA_#t5. {bz|j{
!
! waap;R{bz|j{ qzppb{|q iz`|np`j WAA_t; {bz|j{q
!
! bf`~ bfj bd |cj |wb ie~ kj zqjl e| |cj qeij |nij efl ljdnfjq
! wcnac tj{qnbf bd WAA_ |b zqj&!
!Ljdez`|=
! waapR{bz|j{ ?&?&?&?
! \EG= waapRtj{qnbf
! Fb|j= \cnq bp|nbf nq bf`~ eten`ek`j nd Quznl nq {jkzn`| wn|c |cj
! ))jfek`j)waap bp|nbf
!
! \cnq ln{ja|ntj nq bf`~ {j`jtef| nd ~bz fjjl |b qj| zp WAA_#t5.
! |b qbij tj{~ b`l efl jfl)bd)`ndj Anqab {bz|j{q& Nf e`` b|cj{
! qj|zpq n| izq| kj `jd| zfqj| b{ e| |cj ljdez`| qj||nfg&
! N| ljdnfjq ef nf|j{fe` tj{qnbf nf |cj WAA_#t5. p{b|bab`,
! wn|c tj{qnbf < kjnfg |cj bddnane``~ lbazijf|jl p{b|bab`&
!
! Eaab{lnfg |b qbij zqj{q, Anqab NBQ 55&; efl je{`nj{ bf`~
! qzppb{| WAA_ tj{qnbf 1& Nd ~bz'{j zqnfg |ce| b{ ef je{`nj{
! tj{qnbf bd NBQ, ~bz ie~ fjjl |b acefgj |cnq te`zj |b 1, b|cj{wnqj
! lb fb| qpjand~ |cnq pe{eij|j{&
!
!Ljdez`|=
! waapRtj{qnbf
17N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! Fb|j= \cnq bp|nbf nq bf`~ eten`ek`j nd Quznl nq {jkzn`| wn|c |cj
! ))jfek`j)waapt; bp|nbf
!
! WAA_; e``bwq |cj qj||nfg bd db{we{lnfg ij|cblq kj|wjjf |cj
! {bz|j{"qwn|ac efl |cj aeacj& Te`nl te`zjq e{j eq db``bwq=
!! 5 ) G[J jfaepqz`e|nbf #db{we{l |cj peahj| nf e G[J"WAA_ |zffj`.
! ; ) @; {jln{ja| #db{we{l |cj peahj| zqnfg @e~j{ ;"IEA {jw{n|nfg.
!
! Az{{jf|`~ #eq bd NBQ 5;&
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7/23/2019 Konsep Dasar Proxy
38/61
HBFQJ_ LEQE[ _[BS^ ;??>
13N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
!Ljdez`|=
! waap;Reqqngfijf|Rij|cbl 5
! \EG= waap;Rqj{tnaj
! Fb|j= \cnq bp|nbf nq bf`~ eten`ek`j nd Quznl nq {jkzn`| wn|c |cj
! ))jfek`j)waapt; bp|nbf!
! WAA_; e``bwq db{ iz`|np`j |{eddna qj{tnajq& \cj{j e{j |wb
! |~pjq= +q|efle{l+ efl +l~feina+& \cj q|efle{l |~pj ljdnfjq
! bfj qj{tnaj nl ) c||p #nl ?.& \cj l~feina qj{tnaj nlq aef kj d{bi
! :5 |b ;:: nfa`zqntj& Nf b{lj{ |b zqj e l~feina qj{tnaj nl
! bfj izq| ljdnfj |cj |~pj bd |{eddna |b kj {jln{ja|jl8 |cnq nq lbfj
! zqnfg |cj waap;Rqj{tnajRnfdb bp|nbf&
!
! \cj +q|efle{l+ |~pj lbjq fb| {juzn{j e waap;Rqj{tnajRnfdb bp|nbf,
! mzq| qpjand~nfg |cj qj{tnaj nl wn`` qzddnaj&
!! IL: qj{tnaj ez|cjf|nae|nbf aef kj jfek`jl k~ ellnfg
! +peqqwb{l90peqqwb{l6+ |b |cj jfl bd |cnq qj{tnaj lja`e{e|nbf&
!
! Jseip`jq=
!
! waap;Rqj{tnaj q|efle{l ? ! db{ |cj 'wjk)aeacj' q|efle{l qj{tnaj
! waap;Rqj{tnaj l~feina 3? ! e l~feina qj{tnaj |~pj wcnac wn`` kj
! ! d`jqcjl bz| wn|c qzkqjuzjf| bp|nbfq&
! waap;Rqj{tnaj q|efle{l ? peqqwb{l9dbb
!
!
!Ljdez`|=
! waap;Rqj{tnaj q|efle{l ?
! \EG= waap;Rqj{tnajRnfdb
! Fb|j= \cnq bp|nbf nq bf`~ eten`ek`j nd Quznl nq {jkzn`| wn|c |cj
! ))jfek`j)waapt; bp|nbf
!
! L~feina WAA_t; qj{tnajq {juzn{j dz{|cj{ nfdb{ie|nbf |b ljdnfj |cj
! |{eddna ~bz wnqc |b cetj lntj{|jl&
!! \cj db{ie| nq=
!
! waap;Rqj{tnajRnfdb 0nl6 p{b|bab`90p{b|bab`6 d`egq90d`eg6,0d`eg6&&
! p{nb{n|~90p{nb{n|~6 pb{|q90pb{|6,0pb{|6&&
!
! \cj {j`jtef| WAA_t; d`egq=
! ( q{aRnpRceqc, lq|RnpRceqc
! ( qbz{ajRpb{|Rceqc, ljq|Rpb{|Rceqc
! ( q{aRnpRe`|Rceqc, lq|RnpRe`|Rceqc
! ( q{aRpb{|Re`|Rceqc, lq|Rpb{|Re`|Rceqc
! ( pb{|qRqbz{aj!
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7/23/2019 Konsep Dasar Proxy
39/61
HBFQJ_ LEQE[ _[BS^ ;??>
1>N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! \cj pb{| `nq| aef kj bfj |b jngc| jf|{njq&
!
! Jseip`j=
!
! waap;Rqj{tnajRnfdb 3? p{b|bab`9|ap d`egq9q{aRnpRceqc,pb{|qRqbz{aj
! p{nb{n|~9;
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7/23/2019 Konsep Dasar Proxy
40/61
HBFQJ_ LEQE[ _[BS^ ;??>
-
7/23/2019 Konsep Dasar Proxy
41/61
HBFQJ_ LEQE[ _[BS^ ;??>
4 k~|jq
! \EG= lngjq|R{jkzn`lRaczfhRpj{ajf|egj #pj{ajf|, ?)5??.
! \cnq nq |cj pj{ajf|egj bd |cj Aeacj Lngjq| |b kj qaeffjl e| e
! |nij& K~ ljdez`| n| nq qj| |b 5?* bd |cj Aeacj Lngjq|&
!
!Ljdez`|=
! lngjq|R{jkzn`lRaczfhRpj{ajf|egj 5?
! QFI_ B_\NBFQ
! )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
! \EG= qfipRpb{|
! Quznl aef fbw qj{tj q|e|nq|naq efl q|e|zq nfdb{ie|nbf tne QFI_&
! K~ ljdez`| n| `nq|jfq |b pb{| 1
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7/23/2019 Konsep Dasar Proxy
42/61
HBFQJ_ LEQE[ _[BS^ ;??>
-
7/23/2019 Konsep Dasar Proxy
43/61
HBFQJ_ LEQE[ _[BS^ ;??>
-
7/23/2019 Konsep Dasar Proxy
44/61
HBFQJ_ LEQE[ _[BS^ ;??>
-
7/23/2019 Konsep Dasar Proxy
45/61
HBFQJ_ LEQE[ _[BS^ ;??>
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7/23/2019 Konsep Dasar Proxy
46/61
HBFQJ_ LEQE[ _[BS^ ;??>
&5;3&54&5;3 ;;
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7/23/2019 Konsep Dasar Proxy
47/61
HBFQJ_ LEQE[ _[BS^ ;??>
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7/23/2019 Konsep Dasar Proxy
48/61
HBFQJ_ LEQE[ _[BS^ ;??>
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7/23/2019 Konsep Dasar Proxy
49/61
HBFQJ_ LEQE[ _[BS^ ;??>
N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
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!
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! |cj j{{b{ |jip`e|j dn`jq #dbzfl nf |cj +j{{b{q+ ln{ja|b{~.&
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! nfqj{| e *@ |eg nf |cj j{{b{ |jip`e|j dn`j&!
!Ljdez`|=
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! db{ |ce| EA@ Quznl {j|z{fq e ab{{jqpbflnfg j{{b{ pegj&
!
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! ljfnjl eaajqq& \cj jsajp|nbfq |b |cnq {z`j e{j=
! ) Wcjf Quznl fjjlq |b {juzjq| ez|cjf|nae|nbf a{jljf|ne`q& N|'q |cjf
! |cj dn{q| ez|cjf|nae|nbf {j`e|jl ea` jfabzf|j{jl
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! ea` p{bajqqjl bf |cj `eq| c||pReaajqq nfj&
!! ^bz ie~ zqj J[[R pegjq |ce| abij wn|c Quznl b{ a{je|j ~bz{ bwf pegjq
! efl pz| |cji nf|b |cj abfdngz{jl j{{b{q" ln{ja|b{~&
!
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! Z[@ wn`` kj {jp`eajl k~ |cj {juzjq|jl Z[@&
!
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! k~ qpjand~nfg \A_R[JQJ\&
!
!Ljdez`|=! fbfj
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50/61
HBFQJ_ LEQE[ _[BS^ ;??>
:?N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! B_\NBFQ NFD@ZJFANFG [JUZJQ\ DB[WE[LNFG
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! |b b{ngnf qj{tj{q&
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! {juzjq|q |b pe{jf|q&
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! ell `e|jfa~ |b |cjqj {juzjq| wn|cbz| ef~ nip{btjijf| nf g`bke` cn|
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!
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!
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!
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!
! ea` `bae`)qj{tj{q lq|lbienf i~&lbienf&fj|! e`we~qRln{ja| e``bw `bae`)qj{tj{q
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HBFQJ_ LEQE[ _[BS^ ;??>
:5N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
!
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! ie~ fjjl |b zqj e ljf~ {z`j |b jsa`zlj e ib{j)qpjandna aeqj bd
! qbij b|cj{ {z`j& Jseip`j=
!
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! |b kj lbfj nf |cj a`njf| abfdngz{e|nbf& Quznl abfdngz{e|nbf
! aef bf`~ |j`` Quznl cbw Quznl qcbz`l dj|ac |cj bkmja|&
!
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!
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! efl `bae`Rnp&
!
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! fbfj
! \EG= fjtj{Rln{ja|
! Zqegj= fjtj{Rln{ja| e``bwljf~ X%Yea`feij &&&
!
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! {juzjq|q, jsajp| |cbqj nf ~bz{ `bae` lbienf zqj qbij|cnfg `nhj=
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7/23/2019 Konsep Dasar Proxy
52/61
HBFQJ_ LEQE[ _[BS^ ;??>
:;N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
!
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! e`we~qRln{ja| e``bw `bae`)nf|{efj|
! fjtj{Rln{ja| e``bw e``!
! \cnq bp|nbf {jp`eajq qbij t5&5 bp|nbfq qzac eq nfqnljRdn{jwe``
! efl dn{jwe``Rnp&
!
!Ljdez`|=
! fbfj
! ELTEFAJL FJ\WB[HNFG B_\NBFQ
! )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
! \EG= nfabinfgRnapRetj{egj
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! \EG= infRc||pRpb``Raf|
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! ~bz zflj{q|efl |cj e`gb{n|ciq nf abiiRqj`ja|&a dn{q|%
!
!Ljdez`|=
! nfabinfgRnapRetj{egj 4
! nfabinfgRc||pRetj{egj
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!Ljdez`|=
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!
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!
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!Ljdez`|=! dulfaeacjRqn}j 5?;
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56/61
HBFQJ_ LEQE[ _[BS^ ;??>
:4N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
! INQAJ@@EFJBZQ
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57/61
HBFQJ_ LEQE[ _[BS^ ;??>
:7N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
!
!Ljdez`|=
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-
7/23/2019 Konsep Dasar Proxy
58/61
HBFQJ_ LEQE[ _[BS^ ;??>
:3N{& [nqefz{n Cnle~e|, I&Qa\J ZGI.
!
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HBFQJ_ LEQE[ _[BS^ ;??>
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