> > I create a tunnel to my server that is running squid using ssh and > > running with a default (debian) configuration. My server is > > dual-stacked (public IPv4 and IPv6 addresses) while the client is a > > IPv4 only. > > > > Over the past few days I have been developing a website and found an > > oddity on what address is reported specifically from my laptop while > > using this tunnel. It appears that Squid is alternating between > using > > the IPv4 and IPv6 address (the destination website is also dual > stack) > > and as such was making it difficult for myself to deal with these > > sessions. > > > > So this appears to be happening because: > > > > * Squid is choosing to use IPv6 and IPv4 randomly / > > interchangeably causing server side session checking to fail (phpBB > > has an IP Address check for example) > > > > So my question are: > > > > * Did I miss something in the configuration file? hmm my squid boxes are also dual stacked and I was not able to force ipv4 precedence over ipv6 (see : /etc/gai.conf - http://tools.ietf.org/html/rfc3484) the only way to force ipv4 was : acl dualstackedDOMAIN dstdomain .the.dualstackeddomain. tcp_outgoing_address <ipv4-address-of-myinterface> dualstackedDOMAIN the value # For sites which prefer IPv4 connections change the last line to # precedence ::ffff:0:0/96 100 in /etc/gai.conf seems to be ignored by squid. --- Jan
