Management ports
6 management ports: what each one does, its protocol, and whether it is secure by default.
SubnetKit lists 6 management ports, using UDP and TCP. 4 of 6 are formally registered with IANA rather than just a widely followed convention.
1 of the 6 management ports is encrypted by default; the rest send data in clear text unless wrapped in TLS, SSH, or a VPN.
Click any port below for its full page: what it does, its protocol, and whether it is safe to expose.
| Port | Service | Protocol | What it does |
|---|---|---|---|
| 161 | SNMP | UDP | Simple Network Management Protocol |
| 162 | SNMP-TRAP | UDP | SNMP trap receiver |
| 514 | Syslog | UDP | Syslog logging |
| 6514 | Syslog-TLS | TCP | Syslog over TLS |
| 10050 | Zabbix agent | TCP | Zabbix agent |
| 10051 | Zabbix server | TCP | Zabbix server / trapper |
Frequently asked questions
Which ports are in the Management category?
port 161 (SNMP), port 162 (SNMP-TRAP), port 514 (Syslog), port 6514 (Syslog-TLS), port 10050 (Zabbix agent) and port 10051 (Zabbix server).
How many management ports does SubnetKit list?
6, covering UDP and TCP. 4 of them are formally registered with IANA.
Are management ports secure by default?
1 out of 6 are encrypted by default. Check each port's page for its specific encryption status.
Which management port has the lowest number?
Port 161 (SNMP). Port 161 is SNMP, used to poll switches, routers, and servers for health and traffic stats. Devices send unsolicited alerts (traps) from port 162.