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BO COTHC TP CHUYN NGNH

ti: Nghincu gii php m rng ca kin trcclient-server:Kintrc proxyngc

Gio vinhng dn: TS. HQucTrungSinh vinthc hin:

NguynKhnhHng 20081279 TTM-K53

7/10/2012 Kin trc proxy ngc 1


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Nidung

I. Gii thiuchung v kintrc client-server II.Kintrc reverse proxy (proxyngc)

1. Gii thiuchung 2. Reverse proxybo v 3. Reverse proxy tchhp

III.Cuhnh th nghim IV.Kt lun



3/16

I.Gii thiuchungv kintrc client-server L m hnh ni ting trong mng my tnh, c p dng

rng ri trong mi trang web. Client: gi yu cu, nhn kt qu v hin th cho ngi

s dng. Server: lng nghe, nhn yu cu, x l v tr li



4/16

I.Gii thiuchungv kintrc client-server Nhc im:

Do phitrao i d liu gia 2 my 2 khuvc khc nhau nn d dng xy ra hin tng thng tintruyn trn mng b l. Do vy khngm bo tnh an ton vbo mtthng tin.

Ddng li dngcc l hng bo mt ca server. Gp vn nghn c chai khitruyn d liu gia client v server. Vn cn bng titrong m hnhnhiuserver. Hng a chURL khi server thayi. ..

gii quyt vn ny S dng reverse proxy .



5/16

II.Kintrc reverse proxy (proxyngc)

1. Gii thiuchung L thit b ng gia mtserver v tt c cc client m serverphc

v; m bo an ton cho server. Khc vi forward proxyng gia 1 client v tt c server m

client truycp n; m bo an ton cho client. Tireverse proxys kimsot, lc b cc request khnghp lv

lun chuyncc request hp l ti ch cuicng l cc server. Reverse proxy cth n v che du s tn ti ca server Khi clientt Internet truycp v web server, reverse proxyng vai

tr l web server. Clientch giao tip trc tip vi proxy server.Reverse proxys chuyn yu cu t client ti web server v p litheo chiu ngc li.

C 2 m hnh reverse proxy: Reverse proxybo v.

Reverse proxy tchhp.



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II.Kintrc reverse proxy (proxyngc) 2. Reverse proxy bo v



7/16

II.Kintrc reverse proxy (proxyngc) 2. Reverse proxybo v

Dng lc tt c cc yu cu, ch nhng yu cu v hi c gi tiserver

C th s dngdanh sch lc en v lc trng lcyu cu + DSen: ch lc nhng yu cu c hitrong danh schca n + DS trng: ch cho php nhng yu cu trong danh sch.



8/16


Nguyn tc hot ng Qu trnhkimtra mtyu cu hp l



9/16


Nguyn tc hot ng Qu trnhngn chn mtyu cu khnghp lv c hi



10/16


Li ch khi s dng reverse proxy bo v K tnkhng thkhai thctrc tip l hng ca backend server Cn tr s ly lan worm trn Internetbng cch chn yu cu gi i t

server. Lccc yu cu gipngn cn vic li dng l hng ca web server Nguy c gp phi khi s dng reverse proxy bo v

Danh sch en ch khc phc c nhng li c bit n. Danh sch trngkhnghiu qukhi backend server thayi. Lmtng trkhitruyntin. Nureverse proxylith s khng th truycp c vo web site. Tnchi phphn cng, phn mmv cu hnh.



11/16

II.Kintrc reverse proxy (proxyngc) 3. Reverse proxy tchhp



12/16


Cho php phi hp tt c cc web server nh nhng backendserver vi mt a ch chung ca reverse proxy.

Li ch khi s dng reverse proxy tch hp Ngi dng trn Internetch bit n 1 tn v 1 a ch IP ca reverseproxy. Cu trcmng ca nhng backend serverc n. Gi c cc trang nh du v linktURL. Gip cnbng ti.

Tit kimchi ph chochng ch SSL v ch c mt a ch IP hay mt host c kt ni ti Internet.



13/16


Nguy c gp phi khi s dng reverse proxy tch hp tr, tn thtkhitruyncho backend server,tng thm im li. S kt ni ng thi b hn ch (C th s dng nhiureverse proxy)

Cuhnh phc tp

C th kt hp c reverse proxy bo v v reverseproxy tchhp tng hiu qu s dng.



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III. Cit th nghim Myo Vitual Box citWindows Server 2008 MythtWindows 7ng vai tr l client Cuhnh Windows Server 2008

Ci tADDS, DNS server, IIS IIS c ci t role ASP.NET Module URL Rewrite Module Application Request Routing version 2.5ti a ch:

http://www.microsoft.com/web/gallery/install.aspx?appi

d=ARRv2_5. Ci t2 website: http://webserver1.hungnk.com:8881 http://webserver2.hungnk.com:8882

http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://webserver1.hungnk.com:8881/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver2.hungnk.com:8882/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://webserver1.hungnk.com:8881/http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5http://www.microsoft.com/web/gallery/install.aspx?appid=ARRv2_5


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IV.Kt lun Vic trin khai m hnh reverse proxy gip m bo an

ton cho server, gip che du s tn ti ca server trnInternet, gip cn bng ti cho h thng my ch.

Reverse proxy gip hn ch vic li dng nhng l hngtrn h thng my ch.

M hnh ny gii quyt c nhng i hi cp thitv an ton thng tin v truyn ti d liu trn Internet.



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THANK YOU !


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