host1 envoie un reset TCP (flag R) se qui signifie qu'il n'accepte pas la connection. 
a cela
plusieurs cause:

- (La plus probable) tcp wrapper (regarde ta config inetd/xinetd ansi que 
/etc/hosts.allow|deny).
- Un firewall sur host1.
- sshd lui meme.

JeF

On Fri, Jul 25, 2003 at 04:26:42AM -0400, Dominique Vanlent wrote:
> Hello,
> 
> Voila mom probleme.
> 
> Je suis en console sur la machine host1. De l'autre cote d'internet, une machine 
> want-to-ssh-to-host1 essaie desesperement de me joindre. 
> 
> host1 est une RedHat9, l'autre uilise putty.
> 
> [EMAIL PROTECTED] root]# tcpdump -i eth1                 
> tcpdump: listening on eth1
> 
> 11:10:03.941891 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: S 
> 70378484:70378484(0) win 24820 <nop,nop,sackOK,mss 1380> (DF)
> 11:10:03.941941 host1.domaine.org.ssh > want-to-ssh-to-host1.56435: S 
> 1572190196:1572190196(0) ack 70378485 win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:03.942267 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: R 1:1(0) ack 1 
> win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:07.348120 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: S 
> 70378484:70378484(0) win 24820 <nop,nop,sackOK,mss 1380> (DF)
> 11:10:07.348160 host1.domaine.org.ssh > want-to-ssh-to-host1.56435: S 
> 1575596425:1575596425(0) ack 70378485 win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:07.348495 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: R 1:1(0) ack 1 
> win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:14.065015 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: S 
> 70378484:70378484(0) win 24820 <nop,nop,sackOK,mss 1380> (DF)
> 11:10:14.065049 host1.domaine.org.ssh > want-to-ssh-to-host1.56435: S 
> 1582313318:1582313318(0) ack 70378485 win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:14.065389 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: R 1:1(0) ack 1 
> win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:27.563511 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: S 
> 70378484:70378484(0) win 24820 <nop,nop,sackOK,mss 1380> (DF)
> 11:10:27.563547 host1.domaine.org.ssh > want-to-ssh-to-host1.56435: S 
> 1595811817:1595811817(0) ack 70378485 win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:27.563886 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: R 1:1(0) ack 1 
> win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:54.564504 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: S 
> 70378484:70378484(0) win 24820 <nop,nop,sackOK,mss 1380> (DF)
> 11:10:54.564549 host1.domaine.org.ssh > want-to-ssh-to-host1.56435: S 
> 1622812815:1622812815(0) ack 70378485 win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 11:10:54.564877 want-to-ssh-to-host1.56435 > host1.domaine.org.ssh: R 1:1(0) ack 1 
> win 5840 <mss 1460,nop,nop,sackOK> (DF)
> 
> 60 packets received by filter
> 0 packets dropped by kernel
> [EMAIL PROTECTED] root]#
> 
> 
> Sur host1, je suis capable de faire un ssh localhost et un ssh sur l'ip de 
> l'interface eth1. Mais aux travers d'Internet, pas moyen.
> 
> Les traces tcpdump vous parlent vous? 
> 
> Pourquoi cela ne va pas vous penser?
> 
> J'ai l'impression qu'un firewall bloque quelaue chose, non?
> 
> Merci pour vos idee :-)
> 
> Dominique
> 
> 
> PS: j'ai volontairement eliminer des traces de tcpdump et modifie les IP.
> 
> 
> 
> 
> 
> 
> 
> 
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