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Policy Settings

The following table lists the Policy settings for Kraken:

Policy SettingDefaultDescription/Values
TLS VersionsTLSv1.2, TLSv1.1

Specifies which TLS (Transport Layer Security) versions are accepted from the HTTPS client.

  • TLSv1.2
  • TLSv1.1
RP FilterStrict

Specifies the Reverse Path filtering method. Reverse-path filtering is a Linux Kernel feature (defined in RFC 3704) designed to ensure that packets that are not routable are dropped. 

Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the interface they were received on. It should not be used on systems that are routers for complicated networks, but is helpful for end hosts and routers serving small networks.

Select either:

  • Strict: Each incoming packet to a router is tested against the routing table and if the interface that the packet is received on is not the best return path for the packet, then the packet is dropped.
  • Loose: Each incoming packet is tested against the route table and the packet is dropped if the source address is not routable through any interface. The allows for asymmetric routing where the return path may not be the same as the source path


Set to Loose only if using asymmetric or other complicated routing.

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