CyberHunter
Local dataset, no network
// Other services

Port 2242: Folio Remote Server

Port 2242 is assigned by IANA to foliocorp (Folio Remote Server).

2242

How foliocorp works

Other services
client:2242foliocorpresponse client:2242foliocorpresponse

The client sends a request to port 2242 and the foliocorp service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 2242 dangerous?

We have no specific security note for port 2242. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 2242

ServicePortTransportDescriptionReferenceUpdated
foliocorp 2242 TCP, UDP Folio Remote Server - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2242, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2242'      # process listening on 2242
sudo lsof -nP -i :2242

macOS

sudo lsof -nP -i :2242

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2242 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2242
netstat -ano | findstr :2242

From another machine

nmap -p 2242 -sV <host>
sudo nmap -sU -p 2242 <host>
nc -zv <host> 2242

Block it in the firewall

sudo ufw deny 2242/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2242" -Direction Inbound -LocalPort 2242 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2242 used for?

Port 2242 is assigned by IANA to foliocorp (Folio Remote Server).

Is port 2242 TCP or UDP?

Port 2242 is registered for TCP and UDP.

Is it safe to open port 2242?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 2242 is open?

On Linux run "ss -ltnup 'sport = :2242'", on macOS "lsof -nP -i :2242", and on Windows "netstat -ano | findstr :2242" to see the local process. From another machine, "nmap -p 2242 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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