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How do I get SNF 7.2 to forward IP protocol 47 (GRE)?


Guest ansel420
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Guest ansel420

I am a recovering NT administrator and new to Linux. I need to get a production SNF 7.2 system to forward IP protocol 47 (GRE) to a VPN server on the DMZ. This functionality does not seem to be included in the design. How can I go about adding this functionality to my SNF box without compromising security? Would I be better off to use a different type of firewalling product to get the job done? It appears that SNF 7.2 uses IPVSADM to port forward, but as this is not a port that needs forwarded (but rather a protocol), I am unsure how to proceed.

 

Thanks in advance!

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