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Re: Asterisk ignoring replayed libpcap sessions
From: nnp (version5gmail.com)
Date: Tue Oct 31 2006 - 06:16:10 CST
That is true but unfortunately (or fortunately depending on how you
look at it) it works perfectly using python and plain old UDP sockets
just reading the plain text SIP dump from file.
On 10/30/06, Stefano Zanero <s.zanerosecurenetwork.it> wrote:
> nnp wrote:
> > SIP is carried over UDP.
> Yes, that's true, but is it only SIP that you are talking about ? And
> even in that case... it's not so simple.
> TCPReplay also replays UDP packets, but if for instance those packets
> contain nonces, identifiers that can be changed from either side, or
> other elements of freshness, you can't expect that a server will react
> correctly to a blind REPLAY of a former session... much in the same way
> this wouldn't fly with TCP based protocols