[ILUG] dead pings
James.McBoyle at ireland.sun.com
Mon Sep 18 09:07:28 IST 2000
>A friend of mine asked me to scan a host whether he can ssh into the host
>or not (he got a login but the admin said that he provides only https).
>When I tried to nmap the machine to discover is it true or not I got no
>responses. I know /proc/sys/net/ipv4/icmp_echo_ignore_all directive and
>setting it 1 turns off all the messages but when I tried to use the -P0
>option I got no responses too. How can he achieve this ? Some kind of
>tricky ipchain rules ?
There's a nice article about *stealth*ing your box on rootprompt.org:
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