Re: Asterisk ignoring replayed libpcap sessions
"Matthew Franz" <[email protected]> Thu, 2 Nov 2006 09:25:56 -0600
| Newsgroups | gmane.comp.security.vulnerabilities |
|---|---|
| Message-ID | <[email protected]> |
Something like this http://tcpreplay.synfin.net/trac/wiki/flowreplay is what is needed. This didn't compile the last time I tried. So for TCP protocols I wrote a small script that parses the "follow TCP c-array" output from Wireshark (which does reassembly at various levels) and then sends via standard sockets. - mdf On 10/31/06, nnp <[email protected]> wrote: > 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 <[email protected]> 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 > > > > Stefano > > > > > -- > http://silenthack.co.uk > -- Matthew Franz http://www.threatmind.net/