Re: disable ping

[Micha Feigin <michf@post.tau.ac.il>]

On Thu, Jan 15, 2004 at 11:26:58PM +0100, Jan Minar wrote:
> 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...
> 
> man iptables
> 

If you want it completely silent you need to DROP icmp packets. To make
it reject pings but still appear present to scans use REJECT
> > Also, how can I check to see what ports might be listening.
> 
> man netstat

netstat -tulpen is quite usefull
> man nmap
> 

Will let you know what ports are replying (you can also scan localhost),
but can be misleading with some firewall setups.

> HTH
> 
> -- 
> Jan Minar                   "Please don't CC me, I'm subscribed." x 9