[191180] in North American Network Operators' Group
Re: Charter HFC Engineer?
daemon@ATHENA.MIT.EDU (Mike)
Fri Aug 26 14:11:57 2016
X-Original-To: nanog@nanog.org
From: Mike <mike-nanog@tiedyenetworks.com>
To: nanog@nanog.org
Date: Fri, 26 Aug 2016 11:11:21 -0700
In-Reply-To: <CAO3KpR1NVD_e==qfu9VZzrOu_ATbx-9C2FQUc6t3pfnfFx3-pw@mail.gmail.com>
Errors-To: nanog-bounces@nanog.org
On 08/24/2016 10:39 PM, Gabriel Kuri wrote:
> I was able to confirm my Ubee
> was susceptible to this bug and would reboot by simply telneting to IP
> space on port 161 behind the modem. I figured my random reboots were
> related to random people port scanning my IP space throughout the day. I
> called support to let them know and got them to bump it up to their
> manager, who then referred it to a "technical specialist" that ended up
> blocking port 161 on my cable modem.
Not to be unhelpful, but SNMP is a UDP protocol, you can't "telnet" to
port 161 and be talking to the snmp deamon on the device because it's
not listening for that. If you do get a connection, there's really
something wrong....
--
Mike Ireton
WillitsOnline LLC
