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Both sides previous revision Previous revision | |||
linux:firewall [2016/02/23 10:51] zagi |
linux:firewall [2019/04/15 10:18] (current) zagi |
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# echo-reply | # echo-reply | ||
#$IPTB -A INPUT -p icmp --icmp-type 0 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp0 -j ACCEPT | #$IPTB -A INPUT -p icmp --icmp-type 0 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp0 -j ACCEPT | ||
+ | # unreachables | ||
$IPTB -A INPUT -p icmp --icmp-type 3 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp3 -j ACCEPT | $IPTB -A INPUT -p icmp --icmp-type 3 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp3 -j ACCEPT | ||
+ | # source-quench (depreciated) | ||
#$IPTB -A INPUT -p icmp --icmp-type 4 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp4 -j ACCEPT | #$IPTB -A INPUT -p icmp --icmp-type 4 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp4 -j ACCEPT | ||
+ | # timeout (forward loop prevention) | ||
$IPTB -A INPUT -p icmp --icmp-type 11 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp11 -j ACCEPT | $IPTB -A INPUT -p icmp --icmp-type 11 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp11 -j ACCEPT | ||
+ | # parameter problem | ||
$IPTB -A INPUT -p icmp --icmp-type 12 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp12 -j ACCEPT | $IPTB -A INPUT -p icmp --icmp-type 12 -m hashlimit --hashlimit 10/second --hashlimit-burst 1 --hashlimit-mode srcip --hashlimit-name icmp12 -j ACCEPT | ||
# | # |