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Cisco 2610

Posted on 2004-09-30
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Last Modified: 2010-04-17
Hi
I need to open a port for terminal server(3389) on the Cisco router,if i do a port scan i can see that 25,80 are open.If i have a look at the access-list,it tell me -permit any!
The Cisco router's Ver 12.2(12.14)
Any Idea's?
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Question by:AlexBrone
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scampgb earned 500 total points
ID: 12189411
Hi AlexBrone,
It would really help if you could post a copy of the current router config.
You can get this with "show run"

Thanks
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Author Comment

by:AlexBrone
ID: 12190190

!
ip nat inside source list 1 interface Dialer0 overload
ip nat inside source static tcp 80.000.000.000 25 80.001.001.001 25 extendable
ip nat inside source static tcp 80.000.000.000 80 80.001.001.001 80 extendable

ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0
no ip http server
!
!
access-list 1 deny   80.001.001.001
access-list 1 permit any
dialer-list 1 protocol ip permit
!
call rsvp-sync
!
!
mgcp profile default
!
!
!
dial-peer cor custom
!
!
!
!
line con 0
line aux 0
line vty 0 4

end
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Expert Comment

by:scampgb
ID: 12190428
AlexBrone,
> ip nat inside source static tcp 80.000.000.000 80 80.001.001.001 80 extendable

I take it that the "80" numbers above have been faked, and actually one set it an external range and one is internal?

You need to add a line of:
ip nat inside source static tcp 80.000.000.000 3389 80.001.001.001 3389 extendable

Basically - add a line like the ones you've already got, but allowing port TCP/3389
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Author Comment

by:AlexBrone
ID: 12190813
Hi
I made the changes earlier,but did not fix the problem!
I have relaod the router and the change did take affect but the port is still closed!
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Expert Comment

by:scampgb
ID: 12191144
Sorry - just noticed that you accepted my answer.

Is this now working?


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Author Comment

by:AlexBrone
ID: 12191238
Yup,firewall was blocking the port!

Thank you

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Expert Comment

by:scampgb
ID: 12191629
*grin*  They're supposed to do that ;-)

Glad I could help :-)


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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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