[NTLUG:Discuss] Re: Company with no access to the equipment? -- WAS: DHCP Vulnerability?

[Bryan J. Smith]

On Fri, 2004-08-13 at 18:11, Jim Goode wrote:
> We have been taking intermittent network errors for the past month or 
> two. The building lost it's network person and the switches and routers 
> are in a part of the building that I don't have access to.

??? What's with that ???
Is there just one company in the building?

And who _does_ have access to the closet?
Man, that would _scare_ me to death!

> the last two times I lost server access from my desktop, I was able to
> log onto the server directly and still see a second server and the
> also Internet. 

Man, get some SNMP client software and look around.
See who's "tapped" into your network.
Maybe your old networking person is playing games from afar?
Or someone else?

> Some of the desktop PCs cleared up the network issue by themselves and 
> some required a reboot.

Possibly because they are 0wn3d?

> It is accessible through the router which has most ports filtered out.

Ouch.  That's not comforting.


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Bryan J. Smith                                   b.j.smith at ieee.org