Re: [squid-users] Urgent Fw: [squid-users] 503 error

See the Squid FAQ entry "Linux oddities" or something similar (not
that this is actually Linux fault.. but you will find the solution
there)

Reards
Henrik Nordström

On Wednesday 30 January 2002 04.45, Jack wrote:
> Hello Campbell,
> Thanks for reply.
> This is to make sure i did not do any mistake in squid
> configuration. When i am tring to telnet to rediffmail.com at 80 i
> am getting this error.
>
> # telnet rediffmail.com 80
> Trying 203.199.83.5...
> telnet: connect to address 203.199.83.5: Connection refused
> Trying 203.199.83.131...
> telnet: connect to address 203.199.83.131: Connection refused
> Trying 202.54.124.154...
> telnet: Unable to connect to remote host: Connection refused
>
> My confusion here is if i bypass squid machine i was able to
> connect $ telnet rediffmail.com 80
> Trying 203.199.83.5...
> Connected to rediffmail.com.
> Escape character is '^]'.
>
> Thnaks
> Jack
>
> > Hi,
> >
> > According to RFC2616. error 503 is:
> > | 10.5.4 503 Service Unavailable
> > |
> > | The server is currently unable to handle the request due to a
> > | temporary overloading or maintenance of the server. The
> > | implication is that this
>
> is
>
> > | a temporary condition which will be
> > | alleviated after some delay. If known, the length of the delay
> > | MAY be indicated in a Retry-After header. If no Retry-After is
> > | given, the
>
> client
>
> > | SHOULD handle the response as it would
> > | for a 500 response.
> > |
> > | Note: The existence of the 503 status code does not imply
> > | that a server must use it when becoming overloaded. Some
> > | servers may wish to simply refuse the connection.
> >
> > So, squid cannot connect to the remote server, as also witnessed
> > by the "connection refused" message. Can you telnet to port 80 on
> > www.rediffmail.com from the squid box?
> >
> > > I am getting this error only when i connected to squid.
> > > If my request goes directly then i am getting this page.
> > >
> > > Thanks
> > > Jack
> > >
> > > > Hello All.
> > > > If i browse www.rediffmail.com through squid as transparent
> > > > proxy
>
> with
>
> > > > iptables for port redirection, i am getting 503 error in
> > > > access.log While trying to retrieve the URL:
> > > > http://www.rediffmail.com/cgi-bin/login.cgi?
> > > >
> > > > The following error was encountered:
> > > >
> > > > a.. Connection Failed
> > > > The system returned:
> > > >
> > > > (111) Connection refused
> > > > The remote host or network may be down. Please try the
> > > > request again.
> > > >
> > > > Your cache administrator is webmaster.
> > > >
> > > >
> > > > 1012210687.300 65163 192.168.255.33 TCP_MISS/503 1001 GET
> > > > http://www.rediffmail.com/ - NONE/- -
> > > > 1012210694.352 83303 192.168.255.33 TCP_MISS/503 1001 GET
> > > > http://www.rediffmail.com/ - NONE/- -
> > > > 1012210697.083 95157 192.168.255.33 TCP_MISS/503 1035 POST
> > > > http://www.rediffmail.com/cgi-bin/login.cgi - NONE/- -
> >
> > Colin
>
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