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I developed a website and it loads in every other system but certainly not in mine ... WHen i used firebug my request show 503 Service Unavailable

EDIT:

My response was,

Server squid/2.6.STABLE21
Date Sat, 27 Mar 2010 12:25:18 GMT
Content-Type text/html
Content-Length 1163
Expires Sat, 27 Mar 2010 12:25:18 GMT
X-Squid-Error ERR_DNS_FAIL 0
X-Cache MISS from xavy
X-Cache-Lookup MISS from xavy:3128
Via 1.0 xavy:3128 (squid/2.6.STABLE21)
Proxy-Connection close
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migrated from stackoverflow.com Mar 28 '10 at 1:01

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5 Answers 5

Perhaps you have weird proxy settings. 503 usually signifies a temporary outage and has more possible causes than you can poke a stick at.

If it's just your machine that's failing, then maybe something is misconfigured in your browser, or your browser is the only one pointing to a misconfigured proxy. The squid warnings are a tell-tale. Are you running the browser on the same box as the proxy? That often causes problems due to squid's default ACLs.

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@Marcelo can't get ur point... Plz explain a bit... –  bala3569 Mar 27 '10 at 12:34

It's hard to tell from the message what the reason is. It could be that you are behind a proxy that is unable to connect to your web site (in that case, you may see the name of a proxy application somewhere on the page); or it could be that your web site somehow can't be served to you, for whatever reason.

If it really is a server error and not a Proxy error, you would have to consult your server's error log files to find out the reason for the problem. You will usually find a detailed explanation of the problem there.

If you're on shared hosting, and the problem is definitely with the site, this is a case for your provider's technical support staff.

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@pekka see my edit ... This was my Response headers... –  bala3569 Mar 27 '10 at 12:33
    
@bala where is that squid running? On your computer? –  Pekka 웃 Mar 27 '10 at 12:34
    
@pekka it is running on my server... –  bala3569 Mar 27 '10 at 12:35
    
@pekka i am connected via proxy –  bala3569 Mar 27 '10 at 12:35
1  
@bala: you don't need to post a new topic. Have patience, this topic will be mirgrated. –  user26750 Mar 27 '10 at 12:47

If this is a site hosted in IIS, you should check the Windows Application event log. You'll find details why your web app is crashing.

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@phillipe its hosted on a linux server.... –  bala3569 Mar 27 '10 at 12:34

Are the other machines on the same LAN or are they coming in from the internet

X-Squid-Error ERR_DNS_FAIL 0

That implies that there is a DNS faliure on the part of squid. what address are you using?

Reading this im a little confused as to your setup, is the squid server yours? is it running as a forward or reverse server? Is the squid box on the same LAN as your Computer?

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I had the same (in tortoisesvn), and it was definitely after I setup the proxy to access a repos. on the web, and forgot to add exceptions for internal websites:

Add exceptions for in House servers !

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