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How to allow IPSEC traffic through the firewall?

Hi 

We have a FreeS/Wan gateway in a DMZ so I need to allow incoming and outgoing IPSEC traffic to/from that gateway. 
The pre-defined services only contain ISAKMP which covers phase 1 of IPSEC, but what about AH, SKIP and ESP? How do I allow them through the Astaro? I could define specific services of course, but how do I define protocol 50??

Thanks for any advice
D. O.


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  • You're right, of course I found that out myself in the meantime, sorry

    I've created separate services for AH end ESP and protocol 50 and put them all in a group along with ISAKMP. Using that service group in a rule should suffice, right? 

    One more thing: I noticed SPI numbers in case of AH end ESP are the same by default, is that okay? 

    Thanks 
    D. O.