Error message on startup

[jeanwright]

Any idea what would cause the error below? This is what I see on startup:

root@kali:~# responder -i 192.168.x.x -I eth0 __ .----.-----.-----.-----.-----.-----.--| |.-----.----. | _| -| --| _ | _ | | _ || -| _| || ||| |||||||| |_|

       NBT-NS, LLMNR & MDNS Responder 2.3.3.1

Author: Laurent Gaffie ([email protected]) To kill this script hit CRTL-C

[+] Poisoners: LLMNR [ON] NBT-NS [ON] DNS/MDNS [ON]

[+] Servers: HTTP server [ON] HTTPS server [ON] WPAD proxy [OFF] Auth proxy [OFF] SMB server [ON] Kerberos server [ON] SQL server [ON] FTP server [ON] IMAP server [ON] POP3 server [ON] SMTP server [ON] DNS server [ON] LDAP server [ON]

[+] HTTP Options: Always serving EXE [OFF] Serving EXE [OFF] Serving HTML [OFF] Upstream Proxy [OFF]

[+] Poisoning Options: Analyze Mode [OFF] Force WPAD auth [OFF] Force Basic Auth [OFF] Force LM downgrade [OFF] Fingerprint hosts [OFF]

[+] Generic Options: Responder NIC [eth0] Responder IP [192.168.x.x] Challenge set [1122334455667788] Don't Respond To Names ['ISATAP']

[!] Error starting UDP server on port 5353, check permissions or other servers running. Exception in thread Thread-1: Traceback (most recent call last): File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner self.run() File "/usr/lib/python2.7/threading.py", line 754, in run self.__target(*self.__args, **self.__kwargs) File "./Responder.py", line 164, in serve_LLMNR_poisoner server = ThreadingUDPLLMNRServer((host, port), handler) File "/usr/lib/python2.7/SocketServer.py", line 417, in init self.server_bind() File "./Responder.py", line 127, in server_bind Join = self.socket.setsockopt(socket.IPPROTO_IP,socket.IP_ADD_MEMBERSHIP,socket.inet_aton(MADDR) + settings.Config.IP_aton) File "/usr/lib/python2.7/socket.py", line 228, in meth return getattr(self._sock,name)(*args) error: [Errno 19] No such device

[+] Listening for events...

[jeanwright]

Rolled back to 2.3 vs 2.3.3.1 and the error is gone.