eval port_$name=$number
}
+## defproto NAME NUMBER
+##
+## Define $proto_NAME to be NUMBER.
+defproto () {
+ name=$1 number=$2
+ eval proto_$name=$number
+}
+
m4_divert(38)m4_dnl
###--------------------------------------------------------------------------
### Utility chains (used by function definitions).
*:*) table=${chain%:*} chain=${chain#*:} ;;
*) table=filter ;;
esac
- run ip46tables -t $table -N $chain
+ run ip46tables -t $table -N $chain 2>/dev/null || :
done
}
+## makeset SET TYPE [PARAMS]
+##
+## Ensure that the named ipset exists. Don't clear it.
+makeset () {
+ set -e
+ name=$1; shift
+ if ipset -nL | grep -q "^Name: $name$"; then
+ :
+ else
+ ipset -N "$name" "$@"
+ fi
+}
+
## errorchain CHAIN ACTION ARGS ...
##
## Make a chain which logs a message and then invokes some other action,
run ip46tables -t $table -A $chain -j LOG \
-m limit --limit 3/minute --limit-burst 10 \
--log-prefix "fw: $chain " --log-level notice
- run ip46tables -t $table -A $chain -j "$@"
+ run ip46tables -t $table -A $chain -j "$@" \
+ -m limit --limit 20/second --limit-burst 100
+ run ip46tables -t $table -A $chain -j DROP
}
m4_divert(24)m4_dnl