iptables (Re: Connection Refused on ssh)

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At 11:22 AM 10/7/2004, Mike Gorse you wrote:
Also, are you sure that sshd is running on the machine (ie, pidof sshd returns something)? If so, then try using ipchains or iptables to make sure it isn't being firewalled. At one point we had a RH box at work on which I was trying to enable ssh, but the person who installed rh had selected an option for a firewall, so I wound up needing to edit a file in /etc/sysconfig (the file did say that manually editing it was not recommended, but it didn't say how I was supposed to edit it if not manually) to tell it to accept connections on port 22 as it did for 23 and others.


You can run netconfig. It would allow you to allow ssh connections through your firewall. When you exit, it saves it's settings in /etc/sysconfig/iptables. That file is the one that says you shouldn't edit it manually.

That netconfig program is pretty limited in what it can do. And the file it creates has the same format as iptables-save. So what you can do is issue iptables commands until you've got your firewall configured just the way you want it thand do this:

$ iptables-save > /etc/sysconfig/iptables

The next time you reboot, your firewall will be just like it was when you issued the above command.





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