Re: [Fedora] Seeing input on Securing the Linux system from intrusions and attacks.

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On Sat, 29 Dec 2007 06:24:26 -0700
Karl Larsen <k5di@xxxxxxxxxx> wrote:

>     From my own experience I learned you need to use real good passwords 
> on EVERYTHING. I thought my user password was safe because no one can 
> get to that. WRONG. A ssh connection can use your weak user password to 
> get in.
> 
>     So use passwords that include letters upper and lower case and 
> numbers. Then sleep well at night.

Better solution:

Specify only the usernames and IP addresses allowed to log in through ssh
in /etc/ssh/sshd_config

Disallow password logins completely in /etc/ssh/sshd_config and use keys
instead.

Add the appropriate entries to /etc/hosts.allow and /etc/hosts.deny to deny
remote access to ssh (and all other services)

-- 
MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com

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