On Mon, Mar 08, 2004 at 10:00:22PM -0500, russell wrote: > > I'm trying to deny ping access on my new fedora box. I run: # echo 1 > > /proc/sys/net/ipv4/icmp_echo_ignore_all, but this doen't work. Does > anyone have any ideas how to deny icmp requests on fedora? Are you trying to setup a stealth mode? Turning off ICMP packets (ping) is only one of a long list of things that need to be off if you want a stealth mode. BTW it does work for me. If I start a ping on another machine to this box and play the replies to ping stop and start as expected. # echo -e 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all # cat /proc/sys/net/ipv4/icmp_echo_ignore_all 1 # echo -e 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all # cat /proc/sys/net/ipv4/icmp_echo_ignore_all 0 # uname -r 2.4.22-1.2174.nptl -- T o m M i t c h e l l /dev/null the ultimate in secure storage. mitch48-at-sbcglobal-dot-net