On Fri, 16 Jan 2004 10:28:09 -0600, Rick Weinbender <[EMAIL PROTECTED]> wrote in message <[EMAIL PROTECTED]>:
> 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. ..I use ipcop.org, is a smoothwall fork with a lot of improvements, I hear. ;-) Both needs its own box, I use a P90. There is also shorewall.net, and webmin has a gui for it, will do fine on say woody, I last used shorewall on a thinkpad 760ED with RH7.3, on this I played a little with " --reject-with icmp-host-unreachable". -- ..med vennlig hilsen = with Kind Regards from Arnt... ;-) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
