IE ‘Bypass proxy for all local addresses’ issue/feature

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Found this strange behaviour in IE with proxy bypass setting.

“Knowledge is power” so here is a AA battery of info for you.

I had a user with a fixed proxy server in IE  and ‘Bypass proxy for all local addresses’ ticked.

He had an issue getting to a telephone machine on site via a web interface on the same subnet.

In theory i thought this should work because of the tick in ‘Bypass proxy for all local addresses’ But as soon as i added the IP range in the “advanced tab /exceptions” it starts working.

So i asked the googles…and found this from mickysoft.

http://support.microsoft.com/kb/262981

The short version is the tick in ‘Bypass proxy for all local addresses’ will only be used when a hostname is used not a FQDN or IP address. this it seems is a feature.

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One Response to “IE ‘Bypass proxy for all local addresses’ issue/feature”

  1. tipster Says:

    Thanks for the post dude. Keep em coming!

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