added option to disable a TLD due to windows 11 infinite loop with _d…

…osvc

Responder.conf

@@ -58,9 +58,13 @@ RespondToName =
 DontRespondTo = 
 
 ; Specific NBT-NS/LLMNR names not to respond to (default = None)
-; Example: DontRespondTo = NAC, IPS, IDS
+; Example: DontRespondToName = NAC, IPS, IDS
 DontRespondToName = ISATAP
 
+; MDNS TLD not to respond to (default = _dosvc). Do not add the ".", only the TLD.
+; Example: DontRespondToTLD = _dosvc, _blasvc, etc
+DontRespondToTLD = _dosvc
+
 ; If set to On, we will stop answering further requests from a host
 ; if a hash has been previously captured for this host.
 AutoIgnoreAfterSuccess = Off

settings.py

@@ -23,7 +23,7 @@
 
 from utils import *
 
-__version__ = 'Responder 3.1.4.0'
+__version__ = 'Responder 3.1.5.0'
 
 class Settings:
 
@@ -284,6 +284,7 @@ def populate(self, options):
 		self.RespondTo         = list(filter(None, [x.upper().strip() for x in config.get('Responder Core', 'RespondTo').strip().split(',')]))
 		self.RespondToName     = list(filter(None, [x.upper().strip() for x in config.get('Responder Core', 'RespondToName').strip().split(',')]))
 		self.DontRespondTo     = list(filter(None, [x.upper().strip() for x in config.get('Responder Core', 'DontRespondTo').strip().split(',')]))
+		self.DontRespondToTLD  = list(filter(None, [x.upper().strip() for x in config.get('Responder Core', 'DontRespondToTLD').strip().split(',')]))
 		self.DontRespondToName_= list(filter(None, [x.upper().strip() for x in config.get('Responder Core', 'DontRespondToName').strip().split(',')]))
 		#add a .local to all provided DontRespondToName
 		self.MDNSTLD           = ['.LOCAL']

utils.py

@@ -122,7 +122,10 @@ def RespondToThisIP(ClientIp):
 	return False
 
 def RespondToThisName(Name):
-	if settings.Config.RespondToName and Name.upper() not in settings.Config.RespondToName:
+
+	if [i for i in settings.Config.DontRespondToTLD if Name.upper().endswith(i)]:
+		return False
+	elif settings.Config.RespondToName and Name.upper() not in settings.Config.RespondToName:
 		return False
 	elif Name.upper() in settings.Config.RespondToName or settings.Config.RespondToName == []:
 		if Name.upper() not in settings.Config.DontRespondToName:
@@ -559,6 +562,8 @@ def StartupMessage():
 		print('    %-27s' % "Don't Respond To" + color(str(settings.Config.DontRespondTo), 5, 1))
 	if len(settings.Config.DontRespondToName):
 		print('    %-27s' % "Don't Respond To Names" + color(str(settings.Config.DontRespondToName), 5, 1))
+	if len(settings.Config.DontRespondToTLD):
+		print('    %-27s' % "Don't Respond To MDNS TLD" + color(str(settings.Config.DontRespondToTLD), 5, 1))
 	if settings.Config.TTL == None:
 		print('    %-27s' % "TTL for poisoned response "+ color('[default]', 5, 1))
 	else: