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Old 12-25-2003, 02:06 AM   #1
Registered: Sep 2003
Distribution: SuSE 10
Posts: 55

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Allow SSH from specific IP's ONLY.

Where can I specify the IP of the PC that will be logging in via ssh?
Old 12-25-2003, 02:29 AM   #2
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Registered: Jul 2003
Location: Silicon Valley, USA
Distribution: OpenBSD 4.6, OS X 10.6.2, CentOS 4 & 5
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Edit /etc/hosts.allow

You should also block all inbound traffic to port 22 with iptables, and make a special allow rule just for the IP (src you want to allow. Of course, replace with your actual IP.
Old 12-29-2003, 04:43 AM   #3
Registered: Nov 2003
Distribution: xubuntu
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What if your IP is semi-dynamic? That is, mine changes every 3 weeks or so. Sometimes every week, or month. Kind of random. Though, the changes only involve the last 2 octets.

Anyway to restrict it based on hostname?
Old 12-29-2003, 05:02 AM   #4
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Registered: Mar 2003
Distribution: Fedora
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You can use tcpwrappers to restrict based on partial IPs, like :
SSHD: 123.456.

It can also restrict by hostname as well. So if you got a completely differnt IP you could still use:

SSHD: or just


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