North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Vonage complains about VoIP-blocking
ssh, or other schemes of enhanced security...? mh > -----Message d'origine----- > De : [email protected] [mailto:[email protected]] De > la part de Daniel Golding > Envoy� : mardi 15 f�vrier 2005 23:39 > � : Jason L. Schwab; Martin Hannigan > Cc : [email protected] > Objet : Re: Vonage complains about VoIP-blocking > > > > Is there any move on the part of providers/manufacturers to > use more secure protocols for this? > > - Dan > > On 2/15/05 5:22 PM, "Jason L. Schwab" <[email protected]> wrote: > > > > > Hi; > > > > I unplugged and reset my vonage Motorola MTA device, and it > did tftp > > to home to get its configs. > > > > -Jason > > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > On Behalf > > Of Hannigan, Martin > > Sent: Tuesday, February 15, 2005 3:14 PM > > To: 'Jay Hennigan' > > Cc: Eric Gauthier; [email protected] > > Subject: RE: Vonage complains about VoIP-blocking > > > > > >> -----Original Message----- > >> From: Jay Hennigan [mailto:[email protected]] > >> Sent: Tuesday, February 15, 2005 5:10 PM > >> To: Hannigan, Martin > >> Cc: Eric Gauthier; [email protected] > >> Subject: RE: Vonage complains about VoIP-blocking > >> > >> > >> On Tue, 15 Feb 2005, Hannigan, Martin wrote: > >> > >>>> Something else to consider. We block TFTP at our border for > >>>> security reasons and we've found that this prevents Vonage from > >>>> working. > >>>> Would this mean that > >>>> LEC's can't block TFTP? > >>> > >>> > >>> Was that a device trying to phone home and get it's configs? > >>> Cisco, Nortel, etc. phone home and get configs via tftp. > >>> > >>> Vonage doesn't need to phone home for config. The device is > >>> programmed (router) and it registers with the call manager. > >>> If you analyze the transactions it's about 89% SIP and 11% SDP. > >> > >> Vonage devices initiate an outbound TFTP connection back > to Vonage to > >> snarf their configs on initial connection and also > >> (presumably) on reboot. > > > > I tested the reboot. I didn't see it. I agree in general and think > > that providers shouldn't block tftp, IMHO. > > > > -- > Daniel Golding > Network and Telecommunications Strategies Burton Group > > > >
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