I have a weird problem. I have setup a 1000 or more RDP connections, but I have never seen one act like this.
I have a user that cannot connect RDP from within his home network to outside computers using RDP 3389. I can connect to any RDP session of any public IP i've setup using non-standard ports all day long. It's just 3389 that is not working
So let me rephrase this
From within the users home network.
I have RDP's setup to 10 different machines ranging from 3389 to 3399
I can connect to www.fakecompany.com:3390 - 3399
I can not connect to www.fakecompany.com
At a different Ip address I can connect to www.company2.com:3390 - 3399
but not www.company2.com
all of these RDP's work on any other wan connection that I have tried My office, My house ETC. Just not the users home network. I have tried multiple machines on the users home network. I have tried static IP addresses. I have updated the RDP client.
The users home network is an ATT DSL with a Linksys Home router. I logged into the router and turned off the firewall for testing etc.
It feels like port 3389 outgoing is blocked but why on earth would an ISP block anything other then 80. I just don't think that is what it is. I did not have a chance to try telnet out on 3389 from the users network. I will try that tomorrow.
Typically I would not even use 3389, but i'm in a scenario where I must.
Does anyone have any Ideas on this?