>> 1. Change the default port> I could do that, but if they already know about it, a simple port scan and > they'll probably find it again. Plus I gotta go tell all my client > programs the new port and I don't know how to do that on most of them (what > a hassle).If you're talking about people who are just scanning your machine and
then doing brute force on the port, changing the port likely will solve
that since these are just automated robots. A human might actually do
a portscan, but just a port change will probably stop your security
logs from going crazy.
Of course the hassle part may be a show-stopper here. :)
>> 2. use only SSH protocol 2> got it.>> 3. Install some brute force protection which can automatically ban an IP >> on say 5 / 10 failed login attempts> The only software I know that could do this isn't supported anymore > (trisentry) or is too confusing and I don't know it yet (snort). > Suggestions?denyhosts is pretty widely used. You could probably also make use of
iptables.
>> 4. ONLY allow SSH access from your IP, if it's static. Or signup for a >> DynDNS account, and then only allow SSH access from your DynDNS domain>>> Yeah my home account is on dynamic IP. I'd love to setup the firewall to > only allow my home computer. You're talking about these guys? > http://www.dyndns.com/ never used them before, but it looks like a good > idea. Especially since it's free (for 5 hosts) if I read correctly.Ray
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