Re: disable ping
Matthias Hentges wrote:
> Am Don, 2004-01-15 um 23.26 schrieb Jan Minar:
> > On Thu, Jan 15, 2004 at 03:48:44PM -0600, Rick Weinbender wrote:
> > > Is there a way to disable the ping response
> > > on a server. (silent mode)
> >
> > Although I heard it's not considered polite...
>
> Well i guess blocking ICMP ping only might be ok.
> Not that it adds any security :)
> Well, it *might* confuse some 13yo script kiddies heh.
>
> But most people tend to block ICMP completely which breaks
> ICMP error messages.
>
> And that is A Bad Thing.
>
> >
> > man iptables
>
> man iptables is a start. However, firewalls/packet filters are tricky to
> setup. You may want to search google for HowTos or use smoothwall and
> the like.
>
> > > Also, how can I check to see what ports might be listening.
> >
> > man netstat
> > man nmap
>
> nmap localhost should tell you what's running on your box.
> It would still be better to run nmap from an external box (ie scan your
> box from the internet)
>
> HTH
> --
>
> Matthias Hentges
> Cologne / Germany
>
********************************************
Thanks everyone for the help.
Sounds like disabling ping altogether is not wise.
Basically, I'm trying to hide myself from port scanners and prevent
any DoS attacks.
I may check out smoothwall.
-Rick
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