Client Authentication
Michael Ross
gmx at ross.cx
Wed Mar 27 00:08:24 UTC 2013
On Tue, 26 Mar 2013 22:56:37 +0100, Daniel O'Callaghan
<danny at clari.net.au> wrote:
> On 27/03/2013 4:18 AM, Joseph Olatt wrote:
>>> Any ideas/suggestions on this will be appreciated. Thanks,
>>> >
>>> >-- Doug
>> A little while back I wrote a system to do a simple Two Factor
>> Authentication and dynamic manipulation of PF (Packet Filter) Tables. I
>> created it to prevent brute-force attacks on the servers that I have
>> exposed on the Internet.
> I'm happy to share a program I wrote which slows down the brute force
> attackers.
> It simply counts the SYN packets from a given IP and limits the rate per
> minute by dropping the packet if they are coming too fast.
>
> Uses ipfw divert sockets, so would work if you prefer ipfw over pf.
Me Me Me! ...ahem.
I do prefer IPFW over PF and would very much like to try it out,
so please do share.
Regards,
Michael
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