Login Delay

[Ted Roche]

On Jun 24, 2005, at 7:20 AM, Andrew W. Gaunt wrote:

> Does anyone on this list know of a way to add a delay to the login
> prompt when an unauthorized user attempts to access my linux
> box via ssh (port 22)? I've got this port open on the firewall/router
> and try to use good passwords and all that.. logwatch reports a
> number of unsuccessful attempts daily, I just want to make
> it just that much harder and more painful for the bad guys.
>
There's a long thread titled "SSH Brute Force Attacks" at

https://lists.netfilter.org/pipermail/netfilter/2005-May/ 
thread.html#60866

that ought to give you a good IP tables script to play with.