Port 2801IGCP

IGCP is the IANA-registered service name for TCP and UDP port 2801.

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

Technical Details

what runs on :2801

IGCP is registered on port :2801 over tcp and udp to David Hampson. 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 :2801

this machine

# linux
sudo ss -tulpn 'sport = :2801'

# macos / bsd
sudo lsof -nP -i :2801

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2801

another host

nmap -sV -p T:2801 <host>
sudo nmap -sU -sV -p U:2801 <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 :2801

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 :2801 yet

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

Record

iana registry entry

port: :2801
service: IGCP
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: TCP and UDP port 2801 is assigned to the IGCP service name. The assignment is registered to David Hampson, but publicly documented deployment and usage details are not available from the registry entry.
lookups: 0rank 993
added: 2026-09-03
updated: 2026-09-03
references: IANA service name registry — port 2801

Something wrong?

This record is maintained by the engineers who use port 2801. 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 2026-09-03.

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 :2801, by lookups.

port	service	proto	category	risk	views
:2809	IBM WebSphere WAS Bootstrap RMI	TCP	Web Services	caution	10.9k
:2809	CORBA IIOP URL	TCP	Network Services	caution	7.5k
:2863	Sonar Data	TCPUDP	—	safe	0
:2737	SRP Feedback	TCPUDP	—	safe	0
:2739	TN Timing	TCPUDP	—	safe	0
:2765	qip-audup	TCPUDP	—	safe	0
:2767	UADTC	TCPUDP	—	safe	0
:2811	GridFTP	TCPUDP	Security	caution	0

risk mix of the 8 listed

safe63%
caution38%

0 of 8 encrypted

Port :2801IGCP

Technical Details

Security Information

Related Ports

Port 2801IGCP