Re: Problems with parent proxy using squid 2.3 STABLE 2

Squid-2.2 and later more or less ignores non-ICP peers (no-query) unless
"prefer_direct off" or "never_direct allow" is used (prefer_direct off
to make it prefer to use parents over direct or never_direct allow to
force it to use parents).

--
Henrik Nordstrom
Squid hacker
Eric Nelson wrote:
> 
> I have been experimenting with this for 1 1/2 days now.  It appears that
> linux2 not only ignores the port I have placed for the parent, but also the
> IP address (squid is ignoring the whole cache_peer line I included).  I have
> been trying to learn the source to find out why.  I put some printf
> statements in parse_peer in cache_cf.c and it appears that squid does
> correctly parse off the neighbor type and port (p->type and p->http_port get
> set correctly).  However, a sniffer shows that linux2 tries to talk to the
> origination server via the default gateway using port 80 rather than via the
> proxy parent via port 5001.  Any help in this area would be GREATLY
> appreciated.
> 
> Thanks,
> 
> Eric Nelson
> ericn@extendsys.com
> 
> -----Original Message-----
> From: Henrik Nordstrom [mailto:hno@hem.passagen.se]
> Sent: Friday, May 12, 2000 1:03 PM
> To: Eric Nelson
> Cc: 'squid-users@ircache.net'
> Subject: Re: Problems with parent proxy using squid 2.3 STABLE 2
> 
> Eric Nelson wrote:
> 
> > > 1)  If linux 2 is configured in proxy mode (port 5000) and linux 2 is
> set
> > > to use linux 1 as a parent proxy (port 5001), linux 2 will always send
> > > requests to linux 1 on port 80 instead of parent proxy port (5001).
> Squid
> > > running on Linux 1 will not see this request as it comes in on the wrong
> > > port.  Here is my line in squid.conf on linux 2:
> > >
> > > cache_peer 192.168.2.100 parent 5001 0 no-query default long=test:test
> 
> Are you sure on this? Never heard anything like it before. Only thing I
> can think of is that linux 1 simply ignores the parent and tries to go
> direct to the origin source, but then it should try connecting there and
> not port 80 on linux 2.
> 
> See never_direct and prefer_direct directives.
> 
> --
> Henrik Nordstrom
> Squid hacker