[NTLUG:Discuss] port 22 "filtered"

Cameron, Thomas Thomas.Cameron at bankofamerica.com
Fri Mar 12 17:34:45 CST 2004


> -----Original Message-----
> From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org]On
> Behalf Of terry
> Sent: Friday, March 12, 2004 6:33 PM
> To: NTLUG Discussion List
> Subject: [NTLUG:Discuss] port 22 "filtered"
> 
> 
> cannot ssh to a (Fedora core1) PC, even though sshd IS 
> running on that 
> machine, and 'ssh localhost' DOES work [on that target machine].
> 
> nmap (from outside) reports port 22 is "filtered"
> (I have to run nmap with -P0 option)
> ie. nmap -P0 -p22  **.***.**.***
> Port       State       Service
> 22/tcp     filtered    ssh
> 
> So, how do I un-filter port 22 ?

You can either use 

iptables -l 

as described earlier or just do 

service iptables stop

and then try it to see if it is a firewall rule.

--
Thomas Cameron, RHCE, CNE, MCSE, MCT
Assistant Vice President
Linux Design and Engineering
Bank of America
(972) 997-9641

The opinions expressed in this message are mine alone and do not necessarily reflect the opinions of my employer, Bank of America. 



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