Hi Amos, Many thanks for the quick response. I am currently using Current Beta Squid 3.1.0.14. I removed the --spider option from the wget command and this is the output -- reqmod issues by squid -- REQMOD icap://127.0.0.1:8082/reqmod ICAP/1.0 Host: 127.0.0.1:8082 Date: Wed, 04 Nov 2009 13:45:18 GMT Encapsulated: req-hdr=0, null-body=134 Allow: 204 GET http://www.888.com/ HTTP/1.0 User-Agent: Wget/1.11.4 (Red Hat modified) Accept: */* Host: www.888.com X-UserId: 5555552222 -- my response -- ICAP/1.0 200 OK Encapsulated: req-hdr=0, null-body=131 ISTag: istag Server: AMS-ICAP-Server-Software/1.0 Content-Length: 131 GET www.nogo.com/redirect.pl?cat=19&a=b HTTP/1.0 Accept: */* User-Agent: Wget/1.11.4 (Red Hat modified) X-UserId: 5555552222 Could this be failing due to the missed Host header in the response or the lack of http:// in the GET portion of the response? If you have a trace of a working request/response performing url redirection, I would truly welcome it. Best regards, Bob -----Original Message----- From: Amos Jeffries [mailto:squid3@xxxxxxxxxxxxx] Sent: Wednesday, November 04, 2009 1:46 AM Cc: squid-users@xxxxxxxxxxxxxxx Subject: Re: Icap Reqmod Robert Szabo wrote: > > From: Robert Szabo > Sent: Tuesday, November 03, 2009 10:46 PM > To: squid-users@xxxxxxxxxxxxxxx > Subject: Icap Reqmod > > > Hi all, > > I am attempting to use the icap client interface to perform url redirects. I have done this using my icap server connecting to several commercial gateway boxes without issue however, with squid it's not working as I had hoped. > > A typical icap reqmod would appear something like: > > REQMOD icap://localhost:8082/ ICAP/1.0 > Host: localhost > Connection: close > Encapsulated: req-hdr=0, null-body=117 > X-UserId: 55555555555 > > GET / HTTP/1.1 > Host: fastclick.net > Accept: text/html, text/plain > Accept-Encoding: compress > Pragma: no-cache > > And a blocking or redirect response would look like: > > ICAP/1.0 200 OK > Encapsulated: req-hdr=0, req-body=148 > ISTag: istag > Server: AMS-ICAP-Server-Software/1.0 > > GET www.nogo.com/redirect.pl?cat=3&a=b HTTP/1.1 > Accept: text/html, text/plain > Accept-Encoding: compress > Pragma: no-cache > Content-Length: 2 > Missing either protocol spec http:// or path-spec / at the start of the URL, and a Host: header.... > > You will notice the GET and Host: portions in the reqmod, these are essential for redirection to work. > > However with Squid 3.0 and Squid 3.1, the reqmod does not look right, it is missing the GET and instead has HEAD in that location and does not split out the query path from the host : > > REQMOD icap://127.0.0.1:8082/reqmod ICAP/1.0 > Host: 127.0.0.1:8082 > Date: Tue, 03 Nov 2009 23:38:31 GMT > Encapsulated: req-hdr=0, null-body=135 > Allow: 204 > > HEAD http://www.888.com/ HTTP/1.0 > User-Agent: Wget/1.11.4 (Red Hat modified) > Accept: */* > Host: www.888.com > X-UserId: 5555555555 > > I have tried responding in the same vane as the message above replacing the url in the HEAD line, however, the request goes through fine without considering the redirect. > > Can someone provide a sample reqmod and redirect response that would work? > > > Many Thanks, > > Bob You seem to have generated that test request with wget --spider or -N options and with wget configured to use a proxy. That means it generates HEAD requests instead of GET and formats the request URL suitable for a proxy to handle easily. Squid is simply passing what it is given to the ICAP server. What exact releases of squid did you test with? Amos -- Please be using Current Stable Squid 2.7.STABLE7 or 3.0.STABLE20 Current Beta Squid 3.1.0.14 **************************************************************************************** This email and any files transmitted with are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error then please delete it and notify the sender. Do not make a copy or forward it to anyone. This footnote also confirms that this email message has been swept for the presence of computer viruses. Adaptive Mobile Security Ltd, Dublin Technology Centre, Taylors Lane, Dublin 8,Ireland Directors: B Collins, L Burke (UK), G. Maclachlan (UK), S. Tirtey (DE). Registered in Ireland, Company No. 370343, VAT Reg.No.IE63903430 ****************************************************************************************