[NTLUG:Discuss] port 22 "filtered"

[Jack Snodgrass]

I'm confused... can you tell us again what the exact 
problem is and use some sort of machine names. For example...
you said you tried 'service iptables stop'... did you do that 
on the server ( that is blocking port 22 ) or on your client 
where you are trying to connect to the server? If you ran 
'service iptables stop' ( and iptables -L -n ) on the 
server... how are you connecting... ( locally on the 
keyboard or remotely via telnet ) 

Is it just port 22 that is blocked on the server... i.e. do 
port 80, 21, etc work or did you just try port 22? 

tracert and ping use ICMP. You can block ICMP and prevent 
traceroute and ping so if they don't work... that doesn't 
really tell you if it's broke or what. Also... some of
your ISP Gateway servers may block ICMP to your machine. 

If you are on the server ( that is blocking port 22 ) and 
your on the local keyboard, I assume that you've verified
that you have a valid ip address and can get out of your 
network... you're able to ping www.yahoo.com and what not. 

Just want to make sure that were not missing something 
important. 

jack


> 
> I tried
> service iptables stop
> but have yet to try:
> service ipchains stop
> 
> Thanks for that tip.
> 
> But, I may have been barking up the wrong tree all the time, I now see 
> that traceroute hangs after the 6th hop:
>   6  sl-bb22-fw-8-0.sprintlink.net (144.232.19.213)  15.403 ms  16.487 
> ms  15.288                                             ms
>   7  sl-bb27-fw-12-0.sprintlink.net (144.232.11.33)  16.866 ms  18.097 
> ms  17.195                                             ms
>   8  sl-st20-dal-1-0.sprintlink.net (144.232.9.136)  23.167 ms  21.523 
> ms  15.170                                             ms
>   9  sl-sbcint-3-0.sprintlink.net (144.228.250.110)  16.690 ms  17.306 
> ms  16.067                                             ms
> 10  bb2-p15-0.rcsntx.sbcglobal.net (151.164.191.230)  36.799 ms  23.611 
> ms  23.6                                            71 ms
> 11  dist1-vlan32.rcsntx.swbell.net (151.164.253.211)  21.589 ms  22.137 
> ms  17.2                                            24 ms
> 12  bras4-g12-0.rcsntx.sbcglobal.net (151.164.162.134)  24.020 ms 
> 24.198 ms  24                                            .993 ms
> 13  * * *
> 14  * * *
> 15  * * *
> etc. till it times out.
> 
> 
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