<?xml version="1.0" encoding="utf-8"?> <service> <short>BitTorrent Local Peer Discovery (LSD)</short> <description>Local Peer Discovery is a protocol designed to support the discovery of BitTorrent peers on a local area network. Enable this service if you run a BitTorrent client.</description> <port protocol="udp" port="6771"/> <destination ipv4="239.192.152.143" ipv6="ff15::efc0:988f"/> </service>