Port 1632PAMMRATC

PAMMRATC is an obscure IANA-assigned service name on TCP and UDP port 1632.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

Technical Details

what runs on :1632

PAMMRATC is registered on port :1632 over tcp and udp. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is found open rarely. What's listening is often not the registered service, so check before you assume.

find what's listening on :1632

this machine

# linux
sudo ss -tulpn 'sport = :1632'

# macos / bsd
sudo lsof -nP -i :1632

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1632

another host

nmap -sV -p T:1632 <host>
sudo nmap -sU -sV -p U:1632 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :1632

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

no security notes recorded for :1632 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :1632
service: PAMMRATC
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: TCP and UDP port 1632 is assigned the service name PAMMRATC. No registrant or additional usage information is recorded, and the service is rarely observed exposed on the Internet.
lookups: 0rank 993
added: 2026-09-11
updated: 2026-09-11
references: IANA service name registry — port 1632

Something wrong?

This record is maintained by the engineers who use port 1632. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-09-11.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :1632, by lookups.

port	service	proto	category	risk	views
:1645	RADIUS Authentication (Cisco/Juniper)	TCPUDP	Security	caution	15.1k
:1646	RADIUS Accounting	TCPUDP	Security	caution	13.1k
:1581	MIL-STD-2045-47001 VMF	UDP	Security	caution	10.6k
:1677	Novell GroupWise	TCPUDP	Email	caution	7.5k
:1589	Cisco VQP / VMPS	UDP	Security	caution	6.2k
:1627	iSketch		Gaming	caution	4.5k
:1666	Perforce	TCP	File Transfer	caution	4.4k
:1587	pra-elmd	TCPUDP	—	safe	0

risk mix of the 8 listed

safe13%
caution88%

0 of 8 encrypted

Port :1632PAMMRATC

Technical Details

Security Information

Related Ports

Port 1632PAMMRATC