| Stephen Gran on 5 Aug 2006 18:21:58 -0000 |
|
On Sat, Aug 05, 2006 at 01:13:06PM -0400, gyoza@comcast.net said: > Stephen Gran wrote: > >On Fri, Aug 04, 2006 at 03:04:06PM -0400, gyoza@comcast.net said: > > > >>Can anyone tell me exactly which ports Vonage uses? Could Vonage > >>actually require ports 10,000 to 20,000?! > >> > > > >The sip protocol uses one port for control processing, and another > >10,000 for data passing. Roughly at random. It absolutely blows chunks > >for firewalling. I think there should be a rule that a large group of > >professional sysadmins need to be consulted before publishing an RFC. > > > > Hahaha, I think so! I'm wondering...if I were to block out going ports > 10,000 to 19,999, would Vonage then be forced to use only port 20,000? > (I'm setting up a test PC now.) 1 in 10,000 of your phone calls would work. It sucks, but it's reality. I am using a local asterisk server, and then only using iax <-> iax for exactly this reason (well, and the benefits of choosing codecs, trunking, and all the rest of it). iax only uses a single udp port, and was designed from the beginning to work across firewalls, but sip was designed without NAT or firewalls in mind. -- -------------------------------------------------------------------------- | Stephen Gran | I want to marry a girl just like the | | steve@lobefin.net | girl that married dear old dad. -- | | http://www.lobefin.net/~steve | Freud | -------------------------------------------------------------------------- Attachment:
signature.asc ___________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
|
|