[clug] Linux Security [SEC=UNCLASSIFIED]

Roppola, Antti - BRS Antti.Roppola at brs.gov.au
Fri Jun 13 03:24:19 GMT 2008


-----Original Message-----
Daniel Pittman wrote:
> I suggest four things:

5. When I was allowing incoming ssh, I set a netfilter rule to only
incoming ssh from a whitelist of IPs. Even if you are ssh-ing in from a
DHCP allocated IP address, you can put your subnet into the whitelist
at least massively reduce who is even allowed to connect to the ssh port
(everyone else on your DSL node is still less than the rest of the


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