[TriLUG] Remote Desktop Woes
Matt Flyer via TriLUG
trilug at trilug.org
Mon Jan 9 18:47:26 EST 2017
Brian,
The obvious things are always what gets us, aren't they. Good question
and I am glad you raised it, thank you.
Earlier in the day I had thought that this might be the trouble and I
flushed the firewall, which did have a rule to limit connections to VLAN
access only, which the VPN connection is outside of.
I did an nmap scan of the host from within the VLAN and it shows that port
3389 ms-term-svcs is open, but I can't scan anything through the VPN as
everything is filtered. However, I am able to get to other machines in
the same LAN segment on that port, so I know it isn't filtered through the
VPN.
Now that I think about it, I ran tail on the server logs and it showed the
connection attempt, looked like it connected and then was disconnected on
the client side.
So, long story short, I am pretty sure it is able to get through.
Interestingly, i also tried remote desktop into a Centos 6 box that i have
upstairs and got the same message.
Tomorrow i will bring home the machine i normally use to connect with and
see if i get different results which should help narrow down the issue.
> On Mon, Jan 09, 2017 at 03:06:07PM -0500, Triangle Linux Users Group
>
> This is probably too obvious, but are you sure that the RDP port(s) are
> exposed to the outside?
>
> I found that I needed to set up an SSH tunnel through the corporate
> firewall to do VNC with my on-site Linux box. ( All part of the
> Remmina, etc., configuration. )
>
>
>
> Brian
>
>
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