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Author [squid-users] Invalid Request Errors
Serge Paquin

2004-04-29, 6:54 pm

Hello,

This is driving me nuts. I'm _trying_ to use squid with wccp.

Soon after I start the service people can't log into hotmail, yahoo,
ebay or others. They can get to the home pages but not log in.

As well there are various other sites that people cannot get to.

I get log entries like:

2004/04/25 22:10:46| clientReadRequest: FD 335 Invalid Request
2004/04/25 22:10:46| parseHttpRequest: Unsupported method
'recipientid=112&sessionid=3408^M
^M
'

But nowhere in the error.log does it show any ebay or yahoo errors.

Clients commonly get errors such as:

ERROR
The requested URL could not be retrieved

--------------------------------------------------------------------------------

While trying to retrieve the URL: http://pancanal.com/

The following error was encountered:

Connection Failed
The system returned:

(113) No route to hostThe remote host or network may be down. Please
try the request again.

Your cache administrator is spaquin@becon.org.



--------------------------------------------------------------------------------

Generated Mon, 26 Apr 2004 13:23:14 GMT by eta.becon.org
(squid/2.5.STABLE5)

but without squid the url works fine.

and the cache machine can retrive the url using wget just fine (without
squid running).

My build options are:

../configure \
--enable-wccp \
--enable-async-io \
--enable-linux-netfilter \
--disable-ident-lookups \
--disable-hostname-checks \
--enable-underscores

Any help would be great.

Thanks,
Serge.
Henrik Nordstrom

2004-04-29, 6:54 pm

On Mon, 26 Apr 2004, Serge Paquin wrote:

> Soon after I start the service people can't log into hotmail, yahoo,
> ebay or others. They can get to the home pages but not log in.
>
> As well there are various other sites that people cannot get to.
>
> I get log entries like:
>
> 2004/04/25 22:10:46| clientReadRequest: FD 335 Invalid Request
> 2004/04/25 22:10:46| parseHttpRequest: Unsupported method
> 'recipientid=112&sessionid=3408^M
> ^M
> '


Odd. This looks like a malformed request stream, where some POST data is
read as the next request...

> ERROR
> The requested URL could not be retrieved
>
> --------------------------------------------------------------------------------
>
> While trying to retrieve the URL: http://pancanal.com/
>
> The following error was encountered:
>
> Connection Failed
> The system returned:
>
> (113) No route to hostThe remote host or network may be down. Please
> try the request again.
>
> Your cache administrator is spaquin@becon.org.



This is quite normal.. as the connection is intercepted before it is known
if the reqested web site is up or not it is not Squid who has to report
connection failures.

If you find that some sites is no longer reachable then you may be running
into ECN blackholes on the Internet. See Squid FAQ on Linux for
workarounds.

Regards
Henrik

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