Re: VoIP and SSH

On Friday 04 January 2008 14:55:00 Jon Krause wrote:
Andrew Falanga wrote:
Hi,

I don't understand this one and I'm hoping someone here might know. My
father's router wasn't forwarding connection requests for any port that
we'd configured for sshd to listen on. After changing out his linksys
router and his Cable MODEM (the company said it was a very old modem),
the problem was still present. Oddly enough, if he unplugs his VoIP box
from his network, all this problem goes away and connection requests over
ssh and port 22 are forwarded fine. With the VoIP box present, it
doesn't work.

Neither the FreeBSD machine or the VoIP box share IPs, but it doesn't
work with the VoIP in the network. Any ideas?

The "VoIP box" is usually an MTA, many include a router/firewall also.
It should have an admin interface usually 192.168.0.1 or 192.168.1.1
The cable company technical support should be able to walk you through
getting access (or check any documentation that came with the MTA)

They may or may not have port options (open or forward) that may allow
ssh to work for you.

Good Luck,

Jon

Andy
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Thanks to all for the suggestions. I'll see what I can find. Something one
of you mentioned has me curious. That being whether or not there is a DHCP
server running. My father's linksys router doles out IPs from
192.168.1.100 - <something> (I forget now). Once, while trying to get this
working, he logged into his system (from his system) using ssh. What was odd
was that he was able to log into his system by using the IP address of
192.168.100.101, but using ifconfig he'd always tell me that the IP was
192.168.1.100. I'm betting that his VoIP box must be doling out IPs as well
as his Linksys router, or something like that.

Jon, what do you mean when you say, "The 'VoIP box' is usually an MTA?" I'm
used to MTA meaning Message Transfer Agent. Is it the same in this case too?

Thanks,
Andy
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Relevant Pages

  • Unlocked ATA - Part 2
    ... SIPphone Inc., the VoIP-based calling service from MP3.com's founder ... Michael Robertson, today announced the immediate availability of the ... D-Link Broadband Phone Service VoIP Router DVG-1402S. ...
    (comp.dcom.telecom)
  • Re: Linksys VOIP Modem 2102 on Tranzeo wireless
    ... router in this mess somewhere. ... signal to two farm houses about a half mile away. ... I suspect that the farm owner would have more use for the VoIP than ... then then I connected the voip modem and the pc to the switch. ...
    (alt.internet.wireless)
  • Re: Which VOIP router to choose?
    ... >>> I'm looking for an ADSL router that also has a couple of VOIP ports, ... like you I've been trying get a decent VOIP router for the last 2 ... > First choice was the ?140 ZyXel Prestige 2602HWL. ... At ?85 it has 2 VOIP ports and all the main ...
    (uk.telecom.broadband)
  • Re: VoIP and SSH
    ... On Friday 04 January 2008 14:55:00 Jon Krause wrote: ... router and his Cable MODEM, ... if he unplugs his VoIP box ... The "VoIP box" is usually an MTA, ...
    (freebsd-questions)
  • Re: Linksys VOIP Modem 2102 on Tranzeo wireless
    ... at the cable end needs to be port forwarded. ... The Tranzeo unit has a built in router that is ... It won't because there needs to be a permanent forwarding ... the identical Linksys VoIP boxes, with the same VoIP service provider, ...
    (alt.internet.wireless)