Port 7742Mugginsoft Script Server Service

TCP port 7742 is assigned to Mugginsoft Script Server Service, registered by Jonathan Mitchell.

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

also known as msss

Technical Details

what runs on :7742

Mugginsoft Script Server Service is registered on port :7742 over tcp to Jonathan Mitchell, assigned September 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 never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :7742

this machine

# linux
sudo ss -tlpn 'sport = :7742'

# macos / bsd
sudo lsof -nP -i :7742

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :7742

another host

nmap -sV -p T:7742 <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 :7742

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 :7742 yet

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

Record

iana registry entry

port: :7742
service: Mugginsoft Script Server Service
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns TCP port 7742 to Mugginsoft Script Server Service, registered by Jonathan Mitchell. Its implementation and typical deployment are not established here.
lookups: 0rank 993
added: 2026-10-13
updated: 2026-10-13
references: IANA service name registry — port 7742

Something wrong?

This record is maintained by the engineers who use port 7742. 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 2026-10-13.

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 :7742, by lookups.

port	service	proto	category	risk	views
:7777	iChat Transfer Proxy	TCPtls	File Transfer	caution	18.5k
:7777	Xivio Chat Server	TCP	Voice and Chat	caution	17.0k
:7777	OCFS2	TCP	Databases	caution	12.5k
:7777	Unreal Tournament Server	UDP	Gaming	caution	11.7k
:7777	Tini Backdoor	TCP	Security	caution	11.6k
:7787	GFI EventsManager	TCP	Security	caution	10.1k
:7777	cbt	TCPUDP	—	safe	0
:7778	Interwise	TCPUDP	—	safe	0

risk mix of the 8 listed

safe25%
caution75%

1 of 8 encrypted

Port :7742Mugginsoft Script Server Service

Technical Details

Security Information

Related Ports

Port 7742Mugginsoft Script Server Service