On 23/04/18 20:27, Enrico Michieletti wrote: > Hi! > > I’m using squid from long time, as my network isn’t ipv6 enabled, I’ve > disabled it in squid using > > dns_v4_first on > That directives means it tries IPv4 *first*, not "only". If *all* attempts fail the last one tried will naturally be an IPv6 whenever the server has support for both v4 (tried first) and v6 (tried last). > tcp_outgoing_address 0.0.0.0 all > This does nothing by itself but waste CPU. Outgoing address is separated by protocol, so the above only says "use default address for all IPv4-only traffic". > > and on the interface network script on centos > > IPV6INIT=no > This does not prevent servers and clients outside your machine supporting or trying to use IPv6. All it will do is break traffic going through your proxy machine. What you should really do is enable IPv6 and use firewall rules to block the traffic you do not want to go through. Whether that is "all IPv6" or something better suited to your clients needs. Amos _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users