How to NAT not supported IP "Protocol"



  • Hi,

    is it possible to NAT a IP "Protocol" that is not supported now? Or is it possible to add a new "Protocol" in an configuration file?

    The problem is that i have to use an old VPN technique behinde pfSense, which uses the "99" IP "Protocol". To make this more clear the IP Protocol uses this field "Protocol" to identify the upper level protocol. (and 99 as decimal is used for any private encryption scheme…) Just see:

    http://www.com2-net.de/index.php?option=com_docman&task=doc_download&gid=14&Itemid=124

    So is there a way to NAT this protocol?

    Thanks, Trey


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