Educause Security Discussion mailing list archives

Re: RDP access to Servers from computing staff workstations.


From: Jeff Kell <jeff-kell () UTC EDU>
Date: Tue, 8 Jun 2010 13:06:06 -0400

On 6/8/2010 11:53 AM, Eme Ejike wrote:
On the linux/Unix/solaris  environments, we have a bastion host set up
for management access to  servers from our computing  staff workstations.
However, no infrastructure was defined for access to the windows
servers which i am currently planning to set a structure for.
I would sincerely appreciate some feedback on how management access
has been setup  for access to the server environment from your
computing staff workstations.
What model  do most Security Admins  within our forum gravitate towards.

We have a "standard non-standard" route for this, using SSH, RDP, or VNC
(depending on the target platform) on a nonstandard port.  Users are
encouraged to restrict access to the relocated service port to specific
IPs/subnets (we have authorized ITD staff and departmental sysadmins in
predictable subnets, as well as our VPN pools).

Public-facing SSH/RDP/etc are practically nonexistant except in very
special situations.  Changing the ports avoids script kiddies but
obviously does little against a targeted attack.

This was not done overnight, however :-)  Identify your users and work
with them individually to transition them to whatever method you choose.

Jeff

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