Marcos Moura wrote:
> At 15:06 18/09/01 -0500, you wrote:
>
> >Hi.
> >
> >I realize this seems like a question for the OpenSSH people but my mail
> >was returned unknown host. So I am hoping the good RedHat masterminds
> >out there can help me instead.
>
> Letīs try, then!
>
> >I have recently installed OpenSSH 2.9p2 on a Linux
> >Redhat 7.1 system. The client works well, and I had no trouble getting
> >it to run. However, I am having problems connecting to the server. If
> >I try to connect from a remote machine, I get several "connect :
> >Connection refused" errors, then inevitablly a "Secure connection to ...
> >refused". If I try to connect locally, however, I am successful.
>
> Do you use iptables or ipchains, i.e. any kind of NAT, in your machine??
I am pretty new at linux Marcos, i know iptables and ipchains are scripts but
I am not sure of their uses. Can you clarify that?
>
>
> >I have seen previous messages on similar problems but have not come across
> >any solutions. Debug info looks good (as far as I can tell), at least
> >in the server.
> >
> >Server:
> > /usr/sbin/sshd -d -d -d
> > debug1: Seeding random number generator
> > debug1: sshd version OpenSSH_2.9p2
> > debug1: private host key: #0 type 0 RSA1
> > debug3: No RSA1 key file /etc/ssh/ssh_host_rsa_key.
> > debug1: read PEM private key done: type RSA
> > debug1: private host key: #1 type 1 RSA
> > debug3: No RSA1 key file /etc/ssh/ssh_host_dsa_key.
> > debug1: read PEM private key done: type DSA
> > debug1: private host key: #2 type 2 DSA
> > debug1: Bind to port 22 on 0.0.0.0.
> > Server listening on 0.0.0.0 port 22.
> > Generating 768 bit RSA key.
> > RSA key generation complete.
>
> At first sight, this is ok.
>
> >Client:
> > ssh -v [host]
> >OpenSSH_2.9p2, SSH protocols 1.5/2.0, OpenSSL 0x0090600f
> >debug1: Reading configuration data /etc/ssh/ssh_config
> >debug1: Seeding random number generator
> >debug1: Rhosts Authentication disabled, originating port will not be
> >trusted.
> >debug1: restore_uid
> >debug1: ssh_connect: getuid 500 geteuid 0 anon 1
> >debug1: Connecting to [host][###.###.###.###] port 22.
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: restore_uid
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: connect: Connection refused
> >debug1: restore_uid
> >debug1: Trying again...
> >debug1: Connecting to [HOST][###.###.###.###] port 22.
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: restore_uid
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: connect: Connection refused
> >debug1: restore_uid
> >debug1: Trying again...
> >debug1: Connecting to [host][###.###.###.###] port 22.
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: restore_uid
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: connect: Connection refused
> >debug1: restore_uid
> >debug1: Trying again...
> >debug1: Connecting to [host][###.###.###.###] port 22.
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: restore_uid
> >debug1: temporarily_use_uid: 500/500 (e=0)
> >debug1: connect: Connection refused
> >debug1: restore_uid
> >Secure connection to [host]refused.
>
> It also seems that your client is ok.
>
> >Could something be blocking port 22 from incoming connections? As I
> >said, I can connect locally.
>
> Again, do you use NAT?
Again, can you clarify? :-)
>
>
> > Another note. I can't connect with telnet
> >remotely either (not that I would) but that is a different port..... ??
>
> Yes. Telnet uses TCP port 23, whereas SSH uses TCP port 22.
>
> >Any one might have a clue? Thanks in advance for any help.
> >DB
>
> Letīs try to solve your problem.
>
> Cheers,
>
> Marcos Moura
>
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>
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