Simplest way to block a single IP?

[Kevin D. Kinsey, DaleCo, S.P.]

H.Wade Minter wrote:

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> I've got a system that's sending a ton of referral spam to websites
> on my RELENG_4_9 system.  I'd like to block them from accessing
> my system at the TCP level.  What's the best and easiest way to do this?
>
> I assume I'll need to recompile the kernel with IPFIREWALL or
> IPFILTER support, then set up some rules.  Does anyone have
> a recommendation for a simple ruleset to block one particular IP?
>
> Thanks,
> Wade


I have a better recommendation than that.

Since it's just one IP, have a look at /etc/hosts.allow.

The syntax and comments there should enlighten
you greatly as to what to do....

Then, sit back and smile && enjoy a beverage
as tcpwrappers sends this c*** to a "virtual"
oblivion ...

Kevin Kinsey
DaleCo, S.P.