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RE: [PLUG] iptables and NAT
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plug-admin@lists.phillylinux.org <> wrote:
>> How are you deterining "unauthorized" SSH attempts? Do you mean
>> you limit SSH access to certain source IPs? Kinda limits you
>> somewhat from checking your home LAN from whereever you happen to
>> be, doesn't it?
>
> What I consider unauthorized attempts are ones that have previously
> tried different login names and tried to guess passwords on my
> system. If you notice that someone somewhere in the world is
> attempting to login to your system searching for passwords and
> various login names and their IP address is constant then it would
> behove you to block ssh from that IP address. This has happened
> more than once on my system.
How do you implement this? Do you have a blacklist file or do you create a
rule for each attempt through iptables?
>>> Also the original question was concerning port forwarding and
>>> masquerading. I went a little over board in my response to
>>> Scott's question.
>>
>> It's Linux; that's what we do - stray off-topic and go overboard.
>> :-)
>
> So true
I don't know what you two are talking about. Overboard? Off-Topic? Not
here.<wink, grin>
Eugene
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