On Saturday 08 October 2005 02:41 pm, Matt Hyclak wrote: > On Sat, Oct 08, 2005 at 01:50:59PM -0400, Sam Drinkard enlightened us: > > Looking at that perl script gave me an idea, but yet a question. I > > notice there is a line that says something about "Max Retries". Is that > > something that is configurable somewhere, or can be turned on? > > > > I know there have been long discussions about blocking the brute force > > attempts at breakins, but at the time I did not see much need for it. > > Not long after that, I started seeing somewhere between 100 and as high > > as 800 attempts to break in via the sshd. Not that I'm too worried > > about someone guessing a password, but in those numbers, it does take > > some bandwidth. I'd like to see something like Max Retries of 3, so if > > someone tries 3 times to guess the password, or different usernames, it > > would throw their IP/hostname into the /etc/hosts.deny file, > > permanently. BSD does things a bit different, in that the hosts.allow > > does both the allows and the denies, making hosts.deny pretty much > > moot. Given those thoughts, what kind of something is available to do > > just that -- the max retries thingy? > > > > Thanks... > Try using ALL: PARANOID in /etc/hosts.deny - this will drop a lot of the trojaned residential dsl/cable modems.