On Sun, 11 Apr 2010 09:17:21 -0800 (PST), txlombardi <tlombardi@xxxxxxxxxxxxxxx> wrote: > The below post was made on another forum before I found this one. Only one > reply in five days and it was a question rather than a possible solution. > I > am hoping some Squid expert here will be able to help me out. Below is the > original post. What version of Squid? For captive portals I suggest Squid-3.1 as soon as convenient, and try 3.2 when it's out. > > Squid Redirect > > -------------------------------------------------------------------------------- > I'm having some problems with a Squid redirect. The system: > > Fedora 12 - fully updated as of April 6, 2010 > Squid installed > SquidGuard installed > Transparent-Proxying installed (runs as a service) > IPTABLES running > Server has 2 NIC's > Server is configured as a bridge > Transparent proxy configured and working > Trying to setup a Captive Portal as detailed on the following site: > > http://www.alexvanherwijnen.nl/blog/...ortal-for-free > > All components for the Captive Portal are installed. > Here is the problem. The last item to do for the Captive Portal was modify > squid.conf, which was done. Immediately, when restarting the Squid service, > I got the following error (several errors shown, but each instance is from > one attempt to stop and start the squid service): > > squid: ERROR: Could not send signal 0 to process 2983: (3) No such process > squid: ERROR: Could not send signal 0 to process 3457: (3) No such process > squid: ERROR: Could not send signal 0 to process 7763: (3) No such process > squid: ERROR: Could not send signal 0 to process 7867: (3) No such process > > Terminal window shows the following: > > [root@pns-linux admin]# service squid stop > Stopping squid: [FAILED] > [root@pns-linux admin]# service squid status > squid dead but pid file exists > [root@pns-linux admin]# > What is causing the failure and errors is the following lines in the > squid.conf file: > > url_rewrite_program /var/www/html/scripts/redirect.php > url_rewrite_children 4 > If I comment the two lines out, Squid and the transparent proxy works fine, > but then there is no redirection for the Captive Portal. The redirect.php > is > there and it is set to allow execution. It is almost as if the > url_rewrite_program is not there. I have looked in the file system for it, > but found nothing. My guess is it is probably a procedure in a > configuration > file. > > Any help would be appreciated. This has been dogging me for three days now. > > Tony Re-writing URLs in transit is a nasty hack not particularly good for captive portals. I have much better experiences running CP with deny_info and some ACLs in squid.conf instead. http://www.squid-cache.org/Doc/config/deny_info Depending on your access requirements the session helper may also be of use. http://www.squid-cache.org/Versions/v3/3.1/manuals/squid_session Amos
