Port 8042FireScope Agent

FireScope Agent uses TCP port 8042 for agent communications.

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

also known as fs-agent

Technical Details

what runs on :8042

FireScope Agent is registered on port :8042 over tcp to Matt Rogers, assigned October 2008. 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 :8042

this machine

# linux
sudo ss -tlpn 'sport = :8042'

# macos / bsd
sudo lsof -nP -i :8042

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :8042

another host

nmap -sV -p T:8042 <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 :8042

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

every listening transport is another surface to filter at the edge

security overview

no security notes recorded for :8042 yet

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

Record

iana registry entry

port: :8042
service: FireScope Agent
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: TCP/8042 is assigned for the FireScope Agent service. The assignment was registered to Matt Rogers on 2008-10-16; public operational details are not specified in the registry.
lookups: 0rank 993
added: 2026-09-09
updated: 2026-09-09
references: IANA service name registry — port 8042

Something wrong?

This record is maintained by the engineers who use port 8042. 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 2026-09-09.

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 :8042, 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
:8080	HTTP Alternate	TCP	Web Services	caution	44.9k
:8011	Symon Event Engine	TCP	Network Services	caution	28.4k
:8080	Apache Tomcat	TCP	Web Services	caution	28.0k
:8090	HTTP Alternate	TCP	Web Services	caution	27.6k

risk mix of the 8 listed

safe13%
caution88%

0 of 8 encrypted

Port :8042FireScope Agent

Technical Details

Security Information

Related Ports

Port 8042FireScope Agent