[CentOS] Running SSH on a different port

Oliver Ransom oliver at ransom.com.au
Sat Oct 24 14:23:40 UTC 2009

On 24/10/2009, at 11:40 PM, Miguel Medalha wrote:

>> How does one switch ssh ports? What is a good port to use? What
>> ramifications does it have when I need to ssh in? Is it as simple as
>> ssh user at hots:port?
> In /etc/ssh/sshd_config replace "port 22" with "port <whatever high  
> port
> (> 1024) you like>"
> Then configure your ssh clients accordingly.
> I was having my logs filled with *literally* hundreds of connection
> attempts to port 22 every single day. Since I moved ssh to another  
> port
> that stopped.

I don't know if it is viable in your case but using /etc/hosts.allow  
and deny helps if you know what IPs are going to need SSH access.

> Also, disable password authentication and use public/private key pairs
> as certification.
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