On 04/05/15 20:53, Chris Palmer wrote: > There has been a change in behaviour in 3.5.4. It now really does > prefer to contact a site using an ipv6 address rather than a v4. The > network stack here doesn't permit v6 so the traffic to sites such as > google was failing. Setting the following restored the previous > behaviour: > > dns_v4_first on As far as I'm aware squid won't try to use ipv6 unless your server has a Global address, so that shouldn't be needed? Also, wouldn't squid simply treat that as a DNS name that resolves to a bunch of addresses, so as long as the IPv6 addresses fail to connect at all, it should have still ended up succeeding with ipv4 addresses? Finally, I'm running squid-3.5.4, don't have ipv6 (just like everyone else, I still do have the standard fe80:xxx ipv6 link local address) and google.com works just fine without "dns_v4_first" - which implies my statements above are correct ie this smells like you actually do have ipv6 enabled, but it's broken in some subtle way (like the pmtu issue Amos mentioned) -- Cheers Jason Haar Corporate Information Security Manager, Trimble Navigation Ltd. Phone: +1 408 481 8171 PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1 _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
