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Re: packet filter fingerprinting(open but closed, closed but filtered)



> >recently playing with raw sockets and PF (OpenBSD 3.0) i noticed
> >that when you have return-rst rule for some tcp packet, ttl field
> >in ip header of rst packet, that is sent by PF, equals 128, while
> >default ttl for OpenBSD 3.0 is 64, so we can actually see what

This has been fixed in -current some time ago.