// REFERENCE
Port 9100 (RAW printing / JetDirect)
Protocol: TCP
Service: JetDirect
Medium risk
RAW direct printing (HP JetDirect). An exposed printer can be manipulated, made to leak jobs or bricked; it also serves as a foothold inside the network. Keep it on the LAN.
Related tools
Work with this in:
Related
67
Port 67 (DHCP server) 68
Port 68 (DHCP client) 123
Port 123 (NTP) 161
Port 161 (SNMP) 162
Port 162 (SNMP Trap) 179
Port 179 (BGP)
Port 67 (DHCP server) 68
Port 68 (DHCP client) 123
Port 123 (NTP) 161
Port 161 (SNMP) 162
Port 162 (SNMP Trap) 179
Port 179 (BGP)
Assignments per the IANA port registry. Educational content.