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# rp_filter
# default value - 0
# conf/all/rp_filter and conf/[interface]/rp_filter both must be set to TRUE
# to do source validation on the interface
type: txt
help: Set policy for source validation by reversed path, as specified in RFC1812
comp_help:Possible completions:
enable\tDo source validation
disable\tNo source validation
default: "disable"
syntax:expression: $VAR(@) in "enable", "disable"; "source-validation must be enable or disable"
update:
if [ x$VAR(@) == xenable ]; then
array=(`ls /proc/sys/net/ipv4/conf/`)
array_len=${#array[*]}
i=0
while [ $i -lt $array_len ]; do
sudo sh -c "echo 1 > \
/proc/sys/net/ipv4/conf/${array[$i]%:*}/rp_filter"
let i++
done
else
sudo sh -c "echo 0 > \
/proc/sys/net/ipv4/conf/all/rp_filter"
fi
delete:
sudo sh -c "echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter"
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