Hi Bill, Thank you for that hint. I'll try it. Can you explain what the difference to
net.ipv6.conf.all.disable_ipv6 = 1 is? Do you have an idea why the IPv6 kernel module is pulled in? Best regards Andreas > -----Ursprüngliche Nachricht----- > Von: [email protected] [mailto:owner- > [email protected]] Im Auftrag von Bill Maidment > Gesendet: Mittwoch, 5. August 2015 11:11 > An: [email protected]; Andreas Mock > Betreff: RE: IPv6 address popping up > > -----Original message----- > From: Andreas Mock <[email protected]> > Sent: Wed 05-08-2015 19:00 > Subject: IPv6 address popping up > To: [email protected]; > > Hi all, > > > > I hope anybody out there can give me the right hint for a problem > > I have on a server with SL 6.6 64 bit. > > > > I want to have IPv6 totally disabled. Therefore I did the following > > found on the net: > > > > /etc/sysctl.conf : net.ipv6.conf.all.disable_ipv6 = 1 > > /etc/sysconfig/network : NETWORKING_IPV6=no > > /etc/sysconfig/network-scripts/ifcfg-eth0 : IPV6INIT=no (and other > ifcfg) > > iptables6 disabled > > in /etc/modprobe.d/ipv6.conf with: > > alias net-pf-10 off > > alias ipv6 off > > > > After reboot all seems ok. No IPv6 address shown with 'ip addr show'. > > > > BUT: After some time (hours, days, I don't know), when I look at > > the ip addresses I can suddenly see that there is a IPv6 address. > > A 'cat /proc/sys/net/ipv6/conf/all/disable_ipv6' shows 1 in that > > case. Kernel modules are loaded. > > > > Can anyone give me a hint or explanation why IPv6 is suddenly popping > up? > > Is there any code/process out there pulling the IPv6 modules into the > > kernel? > > > > Best regards > > Andreas > > > > > > Also in /etc/sysctl.conf > net.ipv6.conf.default.disable_ipv6 = 1 > > Cheers > Bill Maidment > www.maidment.me > Phone: 02 4472 9374
