- 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.
Port 116: ANSA REX Notify
Port 116 is assigned by IANA to ansanotify (ANSA REX Notify).
116
How ansanotify works
Other servicesThe client sends a request to port 116 and the ansanotify 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
- Well-known (0-1023)
- Category
- Other services
Is port 116 dangerous?
We have no specific security note for port 116. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 116
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| ansanotify | 116 | TCP, UDP | ANSA REX Notify | - | - |
// source: IANA service name and port number registry
Which program uses port 116, and is it reachable?
Linux
sudo ss -ltnup 'sport = :116' # process listening on 116
sudo lsof -nP -i :116macOS
sudo lsof -nP -i :116
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 116 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 116 netstat -ano | findstr :116
From another machine
nmap -p 116 -sV <host> sudo nmap -sU -p 116 <host> nc -zv <host> 116
Block it in the firewall
sudo ufw deny 116/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 116" -Direction Inbound -LocalPort 116 -Protocol TCP -Action Block # Windows
What is port 116 used for?
Port 116 is assigned by IANA to ansanotify (ANSA REX Notify).
Is port 116 TCP or UDP?
Port 116 is registered for TCP and UDP.
Is it safe to open port 116?
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 116 is open?
On Linux run "ss -ltnup 'sport = :116'", on macOS "lsof -nP -i :116", and on Windows "netstat -ano | findstr :116" to see the local process. From another machine, "nmap -p 116 <host>" shows whether it is reachable.
Other other services ports
: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