update rtorrent config

nix/home/programs/rtorrent/rtorrent.rc

@@ -7,10 +7,28 @@ schedule2 = set_bind_address, 0, 0, \
     "branch=((cfg.interface.bind)), \
         ((network.bind_address.set,(get_interface_ipv4_address,(cfg.interface.bind))))"
 
-dht.mode.set = on
+# Port range to use for listening. (port_range)
+network.port_range.set = @dhtPort@-@dhtPort@
+
+# Enable/disable peer exchange for torrents that aren't marked private. Disabled by default. (peer_exchange)
+protocol.pex.set = 1
+
+# Set whether the client should try to connect to UDP trackers (It can cause various problems if it's enabled, if you experience any with this option enabled then disable it.)
+trackers.use_udp.set = 1
+
+# Enable DHT support for trackerless torrents or when all trackers are down.
+# May be set to "disable" (completely disable DHT), "off" (do not start DHT),
+# "auto" (start and stop DHT as needed), or "on" (start DHT immediately).
+# The default is "off".
+# For DHT to work, a session directory must be defined.
+dht.mode.set = auto
 dht.port.set = @dhtPort@
-protocol.pex.set = yes
+
-trackers.use_udp.set = yes
+# Adding public DHT servers for easy bootstrapping
+schedule2 = dht_node_1, 5, 0, "dht.add_node=router.utorrent.com:6881"
+schedule2 = dht_node_2, 5, 0, "dht.add_node=dht.transmissionbt.com:6881"
+schedule2 = dht_node_3, 5, 0, "dht.add_node=router.bitcomet.com:6881"
+schedule2 = dht_node_4, 5, 0, "dht.add_node=dht.aelitis.com:6881"
 
 # Enable the default ratio group.
 ratio.enable=