ssh, or other schemes of enhanced security...? mh
> -----Message d'origine----- > De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De > la part de Daniel Golding > Envoyé : mardi 15 février 2005 23:39 > À : Jason L. Schwab; Martin Hannigan > Cc : nanog@merit.edu > 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; nanog@merit.edu > > 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; nanog@merit.edu > >> 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 > > > >