Port 7998USI Content Push Service

UDP service assigned for pushing content to USI clients.

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

Technical Details

what runs on :7998

USI Content Push Service is registered on port :7998 over udp to Prakash Iyer, assigned August 2009. 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 :7998

this machine

# linux
sudo ss -ulpn 'sport = :7998'

# macos / bsd
sudo lsof -nP -i :7998

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :7998

another host

sudo nmap -sU -sV -p U:7998 <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 :7998

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

udp

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

security overview

no security notes recorded for :7998 yet

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

Record

iana registry entry

port: :7998
service: USI Content Push Service
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns UDP port 7998 to the USI Content Push Service. The assignment is registered to Prakash Iyer, and the service is rarely observed in internet-wide scans.
lookups: 0rank 993
added: 2026-09-14
updated: 2026-09-14
references: IANA service name registry — port 7998

Something wrong?

This record is maintained by the engineers who use port 7998. 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 2026-09-14.

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 :7998, by lookups.

port	service	proto	category	risk	views
:8000	Intel Remote Desktop / Alternate HTTP Port	TCP	Web Services	safe	84.3k
:8008	IBM HTTP Server Admin	TCP	Web Services	caution	58.3k
:8008	HTTP Alternate Port	TCP	Web Services	caution	49.6k
:8000	Alternate HTTP / SHOUTcast	TCP	Web Services	caution	45.0k
:8011	Symon Event Engine	TCP	Network Services	caution	28.4k
:8009	Apache JServ Protocol (AJP)	TCP	Web Services	caution	15.8k
:8010	XMPP File Transfers	TCP	File Transfer	caution	11.5k
:8002	CUCM Intercluster	TCP	Network Services	caution	10.6k

risk mix of the 8 listed

safe13%
caution88%

0 of 8 encrypted

Port :7998USI Content Push Service

Technical Details

Security Information

Related Ports

Port 7998USI Content Push Service