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POIs there an easy way to tell the difference in network settings between two systems running Fedora 12?
 

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  1. POIs there an easy way to tell the difference in network settings between two systems running Fedora 12?
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    <p>I'm having a pretty unique problem. I'm using the python module urllib2 in order to get http responses from a local terminal. At first, urllib2 would only work with non-local addresses (i.e. google.com, etc.) and not local webservers. I eventually deduced that urllib2 was not respecting the no_proxy environment variable. If I manually erased the other proxy env variables in the code (i.e. set http_proxy to ''), then it seemed to fix it for my CentOS 6 box. </p> <p>However, I have a second machine running Fedora 12 that needs to run the same python script, and I cannot for the life of me get urllib2 to connect to the local terminal. If I set http_proxy to '' then I can't access anything at all - not google, not the local terminal. However, I have a third machine running Fedora 12 and the fix that I found for CentOS 6 works with that one. </p> <p>This leads me to my question. Is there an easy way to tell the difference between Fedora 12 Box#1 (which doesn't work) and Fedora 12 Box#2 which does? Maybe there's a list of linux config files that could conceivably affect the functionality of urllib2? I know /etc/environment can affect it with proxy-related environment variables and I know the routing tables could affect it. What else am I missing?</p> <p>Note: - Pinging the terminal with both boxes works. Urllib2 can only fetch http responses from the CentOS box and Fedora 12 Box#2, currently. </p> <p>Info: I've tested this with Python 2.6.2 Python 2.6.6 Python 2.7.5</p> <p>on all three boxes. Same results each time.</p>
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    1. COI would say you have network configuration issues in (at least) one of your "boxes". You should fix that -- instead of trying to find a way to _hide_ these issues from your Python program.
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      1. USSylvain Leroux
    2. COIt seems like the main issue is that urllib/urllib2 are not respecting the no_proxy environment variable which provides exceptions to the http_proxy rules. If I completely turn off the proxy (i.e. delete /etc/environment), it works, but then I only have intranet access and I can't access the internet.
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      1. USRPGillespie
 

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