Table of Contents
iptables
Help for ICMP types
$ iptables -p icmp -h
Error ping: sendto: Operation not permitted
If this error occurs, all chains in table mangle and nat have to be set to accept.
$ iptables -t mangle -P OUTPUT ACCEPT $ iptables -t mangle -P PREROUTING ACCEPT $ iptables -t nat -P OUTPUT ACCEPT $ iptables -t nat -P POSTROUTING ACCEPT $ iptables -t nat -P PREROUTING ACCEPT
Guide to IP Layer Network Administration with Linux
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