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Old 11-22-2003, 02:11 PM   #1
porous
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Registered: Oct 2003
Distribution: redhat 9
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ping diable


hi all

how i can i make my box , not to respond to any kind of ping requests ..
will it make my machine any stronger to dos attacks.

#is it possible to to tune the box, so that an attacker can never know
whether the box is online or not ?

i have a permanent ip:

TIA
 
Old 11-23-2003, 06:10 AM   #2
iainr
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echo 1 > /proc/sys/net/ipv4/icmp_ignore_echo_requests

Add this line to /etc/rc.local so it gets run at startup (otherwise you'll lost it at each reboot). I doubt it makes much difference to dos attacks , but it does make it more difficult for someone to find you on a casual scan.
 
Old 11-23-2003, 12:43 PM   #3
porous
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Registered: Oct 2003
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thx for you reply

how abt tcp ping requests ...
which port scanners like nmap have ...

TIA
 
  


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