// REFERENCE
Port 6000 (X11)
Protocol: TCP
Service: X11
High risk
X11: the Unix/Linux graphical server. Exposed and without access control (xhost +) it allows capturing the screen and keystrokes. Use X forwarding over SSH.
Related tools
Work with this in:
Related
111
Port 111 (RPCbind / Portmapper) 135
Port 135 (MSRPC) 137
Port 137 (NetBIOS Name) 138
Port 138 (NetBIOS Datagram) 1883
Port 1883 (MQTT) 2375
Port 2375 (Docker API)
Port 111 (RPCbind / Portmapper) 135
Port 135 (MSRPC) 137
Port 137 (NetBIOS Name) 138
Port 138 (NetBIOS Datagram) 1883
Port 1883 (MQTT) 2375
Port 2375 (Docker API)
Assignments per the IANA port registry. Educational content.