Oh my ... im not a policeman, but that may have been a freudian slip? I meant "Port Knocking", and i have no idea what "Pork Knocking" is, although it does sound like an old english sport of the common people? Regards, MrKiwi MrKiwi wrote: > I have *never* had an ssh attempt on my boxes with non-standard port > numbers. > I (used to) get *hourly* attempts on port 22. > > If you really want to get paranoid though, have a look at the various > port openers. > "Pork knocking" is the phrase you need to google for. > > Regards, > > MrKiwi > > > > > Kamill S wrote: >> Hello, >> >> you can let listen sshd on Port 222 for example. Edit /etc/ssh/sshd_conf >> >> In line #Port 22 >> >> Greetz >> >> >> Mohd Syakir wrote: >>> Hi, >>> >>> i have one centos 4.3 box, exposed to the internet. >>> since several weeks ago, i found numerous attemps to connect through >>> SSH, but failed. >>> >>> they tried with many username, including root. >>> it's comes from different IP. some of them are foreign website. >>> >>> How do i make my centos become smarter in handling this kind of attacks. >>> >>> eventhough i've disable all the user accounts, left only the admin >>> accounts. making the password so hard, longer and combining alphabet, >>> numbers and characters... yet i dont want the attackers keep on >>> trying. >>> >>> any suggestions? >>> >>> thanks in advance. >>> _______________________________________________ >>> CentOS mailing list >>> CentOS at centos.org >>> http://lists.centos.org/mailman/listinfo/centos >>> >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >