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 Nordstr�m

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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