This concern is just about Via header, thats not a problem. Each request will be re-authenticated, so who needs real security must use TLS, otherwise TCP is ok.
This draft suggestion is that TCP behind NAT not usable, server never CAN establish connection client !!!! Sanjay Sinha (sanjsinh) wrote: > There are security concerns with tcp connection reuse, pl. look at sec. > 9.3 of the draft > > > >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On >> Behalf Of Ivar Lumi >> Sent: Saturday, February 16, 2008 6:21 AM >> To: [email protected] >> Subject: [Sip-implementors] SIP TCP reuse >> >> Hi, >> >> According: >> http://www.ietf.org/internet-drafts/draft-ietf-sip-connect-reuse-09.txt >> >> TCP reuse not allowed ... How many implementations really do so ? >> If TCP is reused, SIP client behind NAT can keep TCP >> connection open and both client and server can reuse it. >> All this makes TCP communication possible while SIP client behind NAT. >> >> Or am i missing something ... >> >> Any feedback welcome. >> >> _______________________________________________ >> Sip-implementors mailing list >> [email protected] >> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors >> >> _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
