#!/bin/sh
INTERFACE="$1"
multipathip=$(dig +short A multipath-tcp.org | tr -d "\n")
ipset add ss_rules_dst_bypass_all $multipathip > /dev/null 2>&1
if [ -z "$INTERFACE" ]; then
	tracebox -v -j -m 10 -p IP/TCP/MSS/MPCAPABLE/WSCALE multipath-tcp.org
else
	tracebox -v -j -m 10 -i $INTERFACE -p IP/TCP/MSS/MPCAPABLE/WSCALE multipath-tcp.org
fi
ipset del ss_rules_dst_bypass_all $multipathip > /dev/null 2>&1