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Internet connection existence with more than one proxy

  • 14-02-2007 10:45am
    #1
    zillah2004
    Closed Accounts Posts: 24 ✭


    At work,we have got ISA 2004 (FQDN: proxy.rami.ae,,,,,fake name ) which has two interfaces,

    NICA 192.168.1.250 connected to core switch 4500

    NICB for DMZ area ,,192.168.101.294

    From DMZ through PIX to outside world.

    I believe that all internal PCs (workstations) go to internet through ISA, the reason (Is it right conclusion ? ) I am saying that because we have to configure proxy within Internet Explorer -- > Internet Option à Connection à LAN setting

    proxy,,,,,,,,,,,,,,,,,,port 8080

    Some times when there is lack in the internet connection , I changed the LAN Setting to :

    proxy1.telecomm.net.jp (fake one),,,,,,,,,port 8080

    And some times If I chose the option :,,,,,,,,,,,,is this some thing related to a browser cache ?

    “ Automatically detect settings “,,,,it worked as well

    How can we troubleshoot (step-by-step) that ? (i.e how can we force a PCs to use the right proxy ?)


Comments

  • #2
    ntlbell
    Registered Users, Registered Users 2 Posts: 16,288 ✭✭✭✭ntlbell


    I'm not 100% sure what your question is.

    You could force the proxy settings via group policy.


  • #3
    NutJob
    Closed Accounts Posts: 884 ✭✭✭NutJob


    Shouldn't this all be isolated by routing rules.

    Not sure i understand the question though.


  • #4
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,599 Mod ✭✭✭✭Capt'n Midnight


    http://www.schooner.com/~loverso/no-ads/noproxy
    How to get IE to choose a proxy or DIRECT or blackhole

    IE has a 30 minute cache for proxy server or reboot.

    IE on autoconfig will pickup proxy setting from http://wpad/wpad.dat OR DNS OR DHCP (note you have to setup option 252 AND a trailing space)
    which it uses depends on which version of windows


  • #5
    zillah2004
    Closed Accounts Posts: 24 ✭zillah2004


    I'm not 100% sure what your question is.
    The question is, how can I force all PCs to use the proper proxy which is : proxy.rami.ae ?
    You could force the proxy settings via group policy.
    You meant something similar to this , will do the job :
    http://ip4kb.stbernard.com/webhelp/iPrism/Networking/Sessions-Clients/Browsers/IP0346.htm


  • #6
    bushy...
    Closed Accounts Posts: 1,467 ✭✭✭bushy...


    You can force them by routing if you want , basically whatever is on the way to the internet will only allow webtraffic out thats been through the proxy . Mind you don't setup a proxy loop by accident though.


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