diff --git a/etc/systemd/system/pymaster.service b/etc/systemd/system/pymaster.service
index fb4030f..db56c1e 100644
--- a/etc/systemd/system/pymaster.service
+++ b/etc/systemd/system/pymaster.service
@@ -9,8 +9,9 @@ User=master
 Group=master
 WorkingDirectory=/home/master/pymaster/
 ExecStart=/home/master/pymaster/pymaster.py -i $PYMASTER_IP -p $PYMASTER_PORT
+StandardOutput=file:/home/master/pymaster-debug.log
+StandardError=file:/home/master/pymaster-error.log
 Restart=on-failure
 
 [Install]
 WantedBy=multi-user.target
-
diff --git a/pymaster.py b/pymaster.py
index 99ff59b..8b36395 100755
--- a/pymaster.py
+++ b/pymaster.py
@@ -67,7 +67,11 @@ class PyMaster:
 		self.serverRL = IPRateLimit('server', 60, 30)
 		self.clientRL = IPRateLimit('client', 60, 120)
 		# self.ipfilterRL = IPRateLimit('filterlog', 60, 10)
-		self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+		self.ipfilterRL = IPRateLimit('filterlog', 60, 10)
+		if ':' in ip:
+			self.sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+		else:
+			self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 		self.sock.bind((ip, port))
 
 		log("Welcome to PyMaster!")