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LINUX and ISA by SSH

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LINUX and ISA by SSH - 12.Jun.2010 4:00:00 AM   
nnmmss

 

Posts: 96
Joined: 30.Nov.2004
Status: offline
In our LAN ,all computeres are windows except one which is linux. so i want to let external users have access to this linux PC. We Have ISA server 2006.so I published a non web server protocol with the following information

Server Ip Address" The IP address of Linux PC
Protocol :
      I created a new one : Port Range: 22 , Port Type:TCP,Direction :Inbound
Network Listerner: External

after that i Tried to connect to Linux PC by external Users which has Windowx XP, i used Putty . I can see the request comes to ISA server with "Initaited Connection", after a few seconds I get the "Connection time out" on  Client PC , and then the  "connection Closed" Closes on the ISA server.
where could be the problem?
Post #: 1
RE: LINUX and ISA by SSH - 23.Jun.2010 3:15:18 AM   
bent.schrader

 

Posts: 5
Joined: 23.Jun.2010
Status: offline
Hi,

not sure if it is the same problem on your side, but 2 things to consider, I've seen in my environment:

- do not run Putty from a network drive, copy it to an local drive and start it from there (sounds strange, but that was my experience)
- increase the MTU size on the Linux machine (typically /etc/sysconfig/network/ifcfg.ethX)

As mentioned above, those things worked for me.

Regards,
Bent

(in reply to nnmmss)
Post #: 2
RE: LINUX and ISA by SSH - 9.Aug.2010 7:08:27 PM   
Satanmat

 

Posts: 26
Joined: 15.Aug.2008
Status: offline
make sure you also have an outbound SSH rule so that the SSH server can respond. other wise you would only have inbound traffic.

i noticed that i did EXACTLY what you did to set up your rule, but noticed that traffic was also going out over port 22 on an outbound SSH rule that I had set up for another purpose.

just a thought.

(in reply to nnmmss)
Post #: 3

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