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> On 9/7/06, Henry Bremridge <henry.bremridge@xxxxxxxxx> wrote: >> >> From experience, if you leave port 22 open on your network firewall you >> will receive numerous requests for connection. If these upset you, set >> ssh >> to listen on another port (this is not security, just cuts down on some >> rubbish) > > Yea, you get loads of dictionay attacks, you can sit and watch as a > remote system trys all sorts of usernames to try to get in. > > If you do open port 22 to the world make sure you have decent > passwords, ie lots of letters, numbers upper and lower case and quite > a few characters the more the better really. If you are going to > connect in remotley then if it is just from a known location you can > firewall to just allow that location to get in or if you only connect > remotley from your machines eg a laptop etc you can pre exchange the > RSA sigs and not rely on passwords at all. > > Robin > > -- denyhosts anyone ? -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html