Disabling IPv6 support for a particular interface on the Layer 7 Gateway appliance
Article ID: 42937
STARTER PACK-7CA Rapid App SecurityCA API Gateway
IPv6 is a technology intended to resolve an IP address shortage for publicly consumable servers and hosts. It is very critical for any system that is expected to communicate with public systems outside of a controlled local area network. The Gateway is typically intended to be run within a local or enterprise network and as such does not usually require the additional address space granted by IPv6. IPv6 support was included in earlier versions of the Gateway as requested.
This applies to all Gateway versions, all steps are actually completed at the operating system level.
This process will need to be completed on each node in the cluster.
Log in to the Gateway appliance as the ssgconfig user
Select Option #3: Use a privileged shell (root)
Open or create the following file: /etc/modprobe.d/disable-ipv6.conf
Append the following line: install ipv6 /bin/true
Save the file and exit the editor
Open the following file: vi /etc/sysconfig/network
Ensure NETWORKING_IPV6 is set to NO
Save the file and exit
Reconfigure the system controls: echo net.ipv6.conf.all.disable_ipv6 = 1 >> /etc/sysctl.conf