Why not just use iptables on the machine running sendmail and sshd? That
should be just as effective at dropping packets or rejecting connections.
iptables -A INPUT -p tcp --sport 22 -s ! 1.2.3.4/16
Or something to that effect.
Ralph Blach wrote:
I have a linksys linux router and has everthing all the function I
want almost.
What is does not seem to have is the ability to drop connection on a
port if it does not come from a specific range of address.
Specifically , I would like to forward sendmail and and sshd only if
they come from specific address ranges.
Is there any way to do this using the linksys firmware or do I have to
load a new firmware.
Any ideas would be appreciated.
Chip
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