Skrevet av Emne: Internet Explorer: Automatically detect proxy settings  (Lest 2089 ganger)

ATC

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Internet Explorer: Automatically detect proxy settings
« på: 19. April 2010, 10:51 am »
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  • When trying to access any web page, the browser will spend ages trying to detect proxy settings, then proceed either without a proxy or use the proxy server as defined elsewhere (either with a .pac script, a wpad.dat or an explicit setting per protocol)



    ATC

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    [Solved] Internet Explorer: Automatically detect proxy settings
    « Svar #1 på: 19. April 2010, 10:51 am »
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  • Autodetecting proxy settings is a two-step process:
    1) Attempt to get a DHCP wpad URL (dhcp option 252)
    2) Attempt to resolve the well-known host name 'wpad' for the local dns domain

    If there is no working DHCP server on the local network, step 1 will time out after about 15-20 seconds

    If step 1 fails and there is no working DNS server on the local network either, the browser will assume there is no proxy. In this case you might want to fix the DNS settings and/or local domain name, but that's a whole different story.



    Utlogget MathewsHelena

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    Sv: Internet Explorer: Automatically detect proxy settings
    « Svar #2 på: 04. Juli 2021, 20:30 pm »
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  • If there is no working DHCP server on the local network, step 1 will time out after about 15-20 seconds, I think that if you visit ssr节点购买 you will be able to learn more about this.