Disable IPv6
- The kernel option
ipv6.disable=1disables the whole IPv6 stack - If using the kernel option is not possible, add the following parameters to
/etc/sysctl.conf:
# Disable IPv6 net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 net.ipv6.conf.eth0.disable_ipv6 = 1 ...