Securing SSH

Support for security such as Firewalls and securing linux
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jusek
Posts: 1
Joined: 2018/08/16 09:46:49

Securing SSH

Post by jusek » 2018/08/16 09:51:23

Hi!

I want to secure ssh connection to only allowed ip adresses. I have tried with hosts.allow, but it didn't success.
I wrote this:

sshd : 31.15.204.101 : allow
sshd : ALL : deny

This didn't work.

Do you have any other ideas how to secure ssh conection, and if there are any other ways, please help me.

Kind Regards
Jus Kondic

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TrevorH
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Posts: 23906
Joined: 2009/09/24 10:40:56
Location: Brighton, UK

Re: Securing SSH

Post by TrevorH » 2018/08/16 10:10:09

Use iptables. Possibly combined with an ipset containing a list of the ip addresses or subnets you want to allow access.
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