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Re: ssh



On Fri, Jul 08, 2005 at 12:31:04PM -0500, David Mohr wrote:
> On 7/8/05, Hjalmar the Destroyer <bytor1@lsn.se> wrote:
> > I am still having some problems with ssh. I am running the ssh server. When
> > I use nmap localhost on computer2 I get
> > 
> > Starting nmap 3.81 ( http://www.insecure.org/nmap/ ) at 2005-07-08 19:11 CEST
> > Interesting ports on localhost.localdomain (127.0.0.1 ):
> > (The 1661 ports scanned but not shown below are in state: closed)
> > PORT   STATE SERVICE
> > 22/tcp open  ssh
> > 25/tcp open  smtp
> > 
> > Nmap finished: 1 IP address (1 host up) scanned in 0.159 seconds
> > 
> > When I run nmap from my server on computer2 I get the following
> > 
> > Starting nmap 3.81 ( http://www.insecure.org/nmap/ ) at 2005-07-08 19:13 CEST
> > All 1663 scanned ports on computer2 (192.168.1.2 ) are: closed
> > 
> > Nmap finished: 1 IP address (1 host up) scanned in 0.429 seconds
> > 
> > How can this be? Any help or tips would be greatly appreciated.
> 
> Did you check with netstat to which addresses the smtp and ssh server
> are actually bound? Do you have a firewall (ok, nmap should've noticed
> that, but good to check anyways)?
> 
> ~David
> 
I do not have a firewall on computer2 and this is what I got after I ran
netstat -n -a

Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN
tcp        0      0 192.168.1.2:33535       192.168.1.1:22
ESTABLISHED
udp        0      0 127.0.0.1:123           0.0.0.0:*
udp        0      0 192.168.1.2:123         0.0.0.0:*
udp        0      0 0.0.0.0:123             0.0.0.0:*
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags       Type       State         I-Node Path
unix  6      [ ]         DGRAM                    2397     /dev/log
unix  2      [ ACC ]     STREAM     LISTENING     2656     /tmp/.X11-unix/X0
unix  2      [ ACC ]     STREAM     LISTENING     2726
/tmp/ssh-VBEjMI1776/agent.1776
unix  2      [ ACC ]     STREAM     LISTENING     13908
/tmp/orbit-hjalmar/linc-1296-0-5b8fab5c39cd7
unix  2      [ ACC ]     STREAM     LISTENING     16182
/tmp/orbit-hjalmar/linc-13de-0-1fe7f0fbd2751
unix  2      [ ACC ]     STREAM     LISTENING     16193
/tmp/orbit-hjalmar/linc-13e0-0-44faee6dd6c75
unix  3      [ ]         STREAM     CONNECTED     23423    /tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     23422    
unix  4      [ ]         STREAM     CONNECTED     16458    /tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     16457    
unix  3      [ ]         STREAM     CONNECTED     16201    /tmp/orbit-hjalmar/linc-13de-0-1fe7f0fbd2751
1
unix  3      [ ]         STREAM     CONNECTED     16200    
unix  3      [ ]         STREAM     CONNECTED     16199
/tmp/orbit-hjalmar/linc-13e0-0-44faee6dd6c7
5
unix  3      [ ]         STREAM     CONNECTED     16198    
unix  3      [ ]         STREAM     CONNECTED     16185
/tmp/orbit-hjalmar/linc-13de-0-1fe7f0fbd275
1
unix  3      [ ]         STREAM     CONNECTED     16184    
unix  3      [ ]         STREAM     CONNECTED     16181
/tmp/orbit-hjalmar/linc-1296-0-5b8fab5c39cd
7
unix  3      [ ]         STREAM     CONNECTED     16180    
unix  3      [ ]         STREAM     CONNECTED     16175    /tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     16174    
unix  2      [ ]         DGRAM                    13904    
unix  3      [ ]         STREAM     CONNECTED     2750     /tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     2749     
unix  3      [ ]         STREAM     CONNECTED     2740     /tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     2739     
unix  3      [ ]         STREAM     CONNECTED     2729     /tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     2728     
unix  3      [ ]         STREAM     CONNECTED     2712     /tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     2658     
unix  2      [ ]         DGRAM                    2630     
unix  2      [ ]         DGRAM                    2500     
unix  2      [ ]         DGRAM                    2409     

Clyde







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