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Re: Heartbeats Straw Poll
In message <200008081539.LAA11332@solidum.com>, Michael Richardson writes:
> The source address of the ICMP ping that the gateway sends can be whatever
>is necessary to fit into the existing SA.
> If the existing SA is a protocol specific, or port-specific SA that does
>not permit ICMP, then you can't use this. I do not believe that there are any
>currently deployed situations where people are using such policies, and I
>have long argued that certain ICMP should permitted by such a policy in any
>From my experience, a number of commercial firewalls with IPsec support make
that assumption implicitly (that an SA negotiated for traffic between two
nets can also be used for traffic between the two gateways).