162
snmptrap
UDP · 0x00A2
Port 162 — snmptrap
Monitoring
Port 162 carries SNMP traps over UDP. Being at or below 1023, only root may open it on Unix.
0–1023. On Unix only root may open one.
Where it sits in 65535
A port number is 16 bits, so it stops at 65535. The narrow band at the left is everything up to 1023.
065535
- Service
- SNMP traps (snmptrap)
- Kind
- Monitoring
- Protocol
- UDP
- Range
- Well-known
- Root needed
- Yes
- Hexadecimal
- 0x00A2
- Binary
- 0000000010100010
- Two bytes
- 0 · 162
Same kind
Collecting logs and watching health.
Ports next to it
How to read this
- A port number is 16 bits, so it runs 0 to 65535. There is no port 65536.
- Opening anything at or below 1023 needs root on Unix.
- Plain and encrypted often live on different numbers — 80 and 443, for one.
- Numbers like 3000 and 8080 were never registered; those are marked as custom.
Frequently asked questions
QWhat is port 162 used for?
SNMP traps (snmptrap) uses it, over UDP.
QDoes opening port 162 need root?
Yes. It is at or below 1023, so on Unix only root may open it.
QWhich range does port 162 fall in?
Well-known (0–1023). In hex it is 0x00A2.
QDoes port 162 have a twin?
Not a separate one. It either was encrypted from the start or negotiates TLS on the same number.