Very good. Thanks !

""Kent Hundley""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Ah yes, security through obscurity. ;-)
>
> If I would have had to guess, I would have guessed you were using one of
the
> following VPN products:
>
> 1) Cisco
> 2) Checkpoint
> 3) Nortel
>
> I would have started with Cisco and assumed either a VPN concentrator or a
> PIX. (in your case, I would have hit the first try)
>
> And, let me guess, your using ESP only (no AH) in tunnel mode with a
shared
> secret, not certificates.
>
> If I knew what company you worked for, I could probably find your VPN
server
> with a quick scan. If nothing else, I could just attempt an ISAKMP
> connection on every IP address in your range and see what responds.
>
> Bottom line, your not providing your vendor with any information they
> couldn't find with a few minutes worth of work if they wanted to.  I
_would_
> create the vendor their own group with their own shared secret, no reason
to
> give them something they can't obtain on their own, but the information
your
> revealing is nothing that is not publically attainable.
>
> In any case, unless you have a password protected modem, by using a modem
> your creating an unauthenticated, probably unaudited backdoor into your
> network via modem access, which is never a good idea.  Concentrate your
> resources on monitoring the doors you do allow and be draconian in
> eliminating all others.
>
> HTH,
> Kent
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Brown, M
> Sent: Wednesday, April 24, 2002 4:51 PM
> To: [EMAIL PROTECTED]
> Subject: External Tech support connecting on server - VPN is OK ?
> [7:42478]
>
>
> I have to allow an external techinician to work on a third-party
application
> on my server.
> Two options: Use connection through Modem or VPN Client (Cisco 3000
> Concentrator).
>
> I would go with the VPN account, and then at the end of the support work I
> would disable the GuestTech account and change its password.
>
> My co-worker argues that he doesn't want to grant VPN account to the
techGuy
> because that would release our VPN server name and configuration to the
> external technician.
> So my co-worker prefers that the tech guys sticks to the slow modem
> solution.
>
> Your thoughts ?




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=42621&t=42621
--------------------------------------------------
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

Reply via email to