diff --git a/client/jailreader.py b/client/jailreader.py
index ccda4739..f66dc010 100644
--- a/client/jailreader.py
+++ b/client/jailreader.py
@@ -65,7 +65,7 @@ class JailReader(ConfigReader):
 				["int", "maxretry", 3],
 				["int", "findtime", 600],
 				["int", "bantime", 600],
-				["string", "use_dns", "warn"],
+				["string", "usedns", "warn"],
 				["string", "failregex", None],
 				["string", "ignoreregex", None],
 				["string", "ignoreip", None],
@@ -123,8 +123,8 @@ class JailReader(ConfigReader):
 				stream.append(["set", self.__name, "findtime", self.__opts[opt]])
 			elif opt == "bantime":
 				stream.append(["set", self.__name, "bantime", self.__opts[opt]])
-			elif opt == "use_dns":
-				stream.append(["set", self.__name, "use_dns", self.__opts[opt]])
+			elif opt == "usedns":
+				stream.append(["set", self.__name, "usedns", self.__opts[opt]])
 			elif opt == "failregex":
 				stream.append(["set", self.__name, "addfailregex", self.__opts[opt]])
 			elif opt == "ignoreregex":
diff --git a/common/protocol.py b/common/protocol.py
index 8361ee08..db2b07eb 100644
--- a/common/protocol.py
+++ b/common/protocol.py
@@ -62,7 +62,7 @@ protocol = [
 ["set <JAIL> delignoreregex <INDEX>", "removes the regular expression at <INDEX> for ignoreregex"], 
 ["set <JAIL> findtime <TIME>", "sets the number of seconds <TIME> for which the filter will look back for <JAIL>"], 
 ["set <JAIL> bantime <TIME>", "sets the number of seconds <TIME> a host will be banned for <JAIL>"], 
-["set <JAIL> use_dns <VALUE>", "sets the use_dns mode for <JAIL>"],
+["set <JAIL> usedns <VALUE>", "sets the usedns mode for <JAIL>"],
 ["set <JAIL> banip <IP>", "manually Ban <IP> for <JAIL>"], 
 ["set <JAIL> maxretry <RETRY>", "sets the number of failures <RETRY> before banning the host for <JAIL>"], 
 ["set <JAIL> addaction <ACT>", "adds a new action named <NAME> for <JAIL>"], 
@@ -81,7 +81,7 @@ protocol = [
 ["get <JAIL> ignoreregex", "gets the list of regular expressions which matches patterns to ignore for <JAIL>"],
 ["get <JAIL> findtime", "gets the time for which the filter will look back for failures for <JAIL>"],
 ["get <JAIL> bantime", "gets the time a host is banned for <JAIL>"],
-["get <JAIL> use_dns", "gets the use_dns setting for <JAIL>"],
+["get <JAIL> usedns", "gets the usedns setting for <JAIL>"],
 ["get <JAIL> maxretry", "gets the number of failures allowed for <JAIL>"],
 ["get <JAIL> addaction", "gets the last action which has been added for <JAIL>"],
 ["get <JAIL> actionstart <ACT>", "gets the start command for the action <ACT> for <JAIL>"],
diff --git a/config/jail.conf b/config/jail.conf
index 3b779c9c..3560464d 100644
--- a/config/jail.conf
+++ b/config/jail.conf
@@ -38,7 +38,7 @@ maxretry = 3
 #              pyinotify, gamin, polling.
 backend = auto
 
-# "use_dns" specifies if jails should trust hostnames in logs,
+# "usedns" specifies if jails should trust hostnames in logs,
 #   warn when reverse DNS lookups are performed, or ignore all hostnames in logs
 #
 # yes:   if a hostname is encountered, a reverse DNS lookup will be performed.
@@ -46,7 +46,7 @@ backend = auto
 #        but it will be logged as a warning.
 # no:    if a hostname is encountered, will not be used for banning,
 #        but it will be logged as info.
-use_dns = warn
+usedns = warn
 
 
 # This jail corresponds to the standard configuration in Fail2ban 0.6.
diff --git a/server/filter.py b/server/filter.py
index 36fb7aae..2a4cbd92 100644
--- a/server/filter.py
+++ b/server/filter.py
@@ -143,14 +143,14 @@ class Filter(JailThread):
 	
 	##
 	# Set the Use DNS mode
-	# @param value the use_dns mode
+	# @param value the usedns mode
 	
 	def setUseDns(self, value):
 		self.__useDns = value
 	
 	##
-	# Get the use_dns mode
-	# @return the use_dns mode
+	# Get the usedns mode
+	# @return the usedns mode
 	
 	def getUseDns(self):
 		return self.__useDns
@@ -586,7 +586,7 @@ class DNSUtils:
 		if useDns == "no":
 			return None
 		else:
-			logSys.debug("use_dns = %s" % useDns)
+			logSys.debug("usedns = %s" % useDns)
 			ipList = list()
 			# Search for plain IP
 			plainIP = DNSUtils.searchIP(text)
diff --git a/server/transmitter.py b/server/transmitter.py
index 305fde15..f78afaec 100644
--- a/server/transmitter.py
+++ b/server/transmitter.py
@@ -154,7 +154,7 @@ class Transmitter:
 			value = int(command[2])
 			self.__server.delIgnoreRegex(name, value)
 			return self.__server.getIgnoreRegex(name)
-		elif command[1] == "use_dns":
+		elif command[1] == "usedns":
 			value = command[2]
 			self.__server.setUseDns(name, value)
 			return self.__server.getUseDns(name)
@@ -235,7 +235,7 @@ class Transmitter:
 			return self.__server.getFailRegex(name)
 		elif command[1] == "ignoreregex":
 			return self.__server.getIgnoreRegex(name)
-		elif command[1] == "use_dns":
+		elif command[1] == "usedns":
 			return self.__server.getUseDns(name)
 		elif command[1] == "findtime":
 			return self.__server.getFindTime(name)