Csf - how to disable IPv6

Ошибка

# csf -r
Flushing chain `INPUT'
Flushing chain `FORWARD'
Flushing chain `OUTPUT'
Flushing chain `PREROUTING'
Flushing chain `POSTROUTING'
Flushing chain `OUTPUT'
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
csf: FASTSTART loading DROP no logging (IPv4)
csf: FASTSTART loading DROP no logging (IPv6)
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.
Error: FASTTART: (DROP no logging IPv6) [] [ip6tables-restore v1.4.7: ip6tables-restore: unable to initialize table 'filter']. Try
restarting csf with FASTSTART disabled, at line 4322

Отключаем IPv6 в конфиге csf:

#vi /etc/csf/csf.conf
IPV6 = "0"

Рестарт

# csf -r
# /etc/init.d/lfd restart
Stopping lfd: Done
Starting lfd: Done