Re: Is Suse causing my ssh problems?
From: Gregory Toomey (nospam_at_bigpond.com)
Date: 02/28/05
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Date: Tue, 01 Mar 2005 02:34:25 +1000
iksrazal wrote:
> I cannot get other hosts to login to my machine remotely. It works
> fine locally. Its an ongoing problem that I posted about on other
> groups over the last year.
>
> I have residential ADSL. I moved to another city and switched
> providers, yet still have the same problem. I've used 8.2 and now I'm
> using 9.2 pro.
>
> Nmap local (x.x.x.x) for IP:
>
> /root> nmap -p22 localhost
>
> Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2005-02-28
> 11:29 BRT
> Interesting ports on localhost (127.0.0.1):
> PORT STATE SERVICE
> 22/tcp open ssh
>
> Nmap run completed -- 1 IP address (1 host up) scanned in 0.134
> seconds
> [linux(root)]
>
> I can log on locally with a test account. My friend remotely tested
> but could not. My friend running fedora kindly ran this for me on his
> remote machine:
>
> [root@nortlamtwo Crossover]# nmap x.x.x.x
>
> Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
> Interesting ports on xxxx.user.veloxzone.com.br (x.x.x.x):
> (The 1600 ports scanned but not shown below are in state: filtered)
> Port State Service
> 113/tcp closed auth
>
> I can log on to my friends machine - he unfortunately is not using the
> same provider.
>
> I have thought that maybe my ISP is doing routing tricks - that this
> ip may not be my IP. But I went to this site to get what remote
> servers think my IP is:
>
> http://www.html-kit.com/e/browconninfo.cgi
>
> Its the same I get from ifconfig .
>
> I'm running vanilla suse - I haven't teaked anything. I'm beginning to
> think _possibly_ this is a suse issue - maybe turning off remote
> access by default?
>
> Any ideas highly appreciated.
> iksrazal
ssh to your friends machine & try to log into yours.
ADSL routers generally use NAT, which trasnslates/masquerades port numbers.
Your may need to set port forwarding on port 22(ssh) to your internal IP on
your router.
Also, some ISPs block some inward ports.
gtoomey
www.gregorytoomey.com
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