- 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 16619: X509 Objects Management Service
Port 16619 is assigned by IANA to xoms (X509 Objects Management Service).
16619
How xoms works
Other servicesThe client sends a request to port 16619 and the xoms service answers.
- Transport
- TCP
- 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
Is port 16619 dangerous?
We have no specific security note for port 16619. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 16619
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| xoms | 16619 | TCP | X509 Objects Management Service | - | 2008-09-08 |
| - | 16619 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 16619, and is it reachable?
Linux
sudo ss -ltnup 'sport = :16619' # process listening on 16619
sudo lsof -nP -i :16619macOS
sudo lsof -nP -i :16619
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 16619 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 16619 netstat -ano | findstr :16619
From another machine
nmap -p 16619 -sV <host> nc -zv <host> 16619
Block it in the firewall
sudo ufw deny 16619/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 16619" -Direction Inbound -LocalPort 16619 -Protocol TCP -Action Block # Windows
What is port 16619 used for?
Port 16619 is assigned by IANA to xoms (X509 Objects Management Service).
Is port 16619 TCP or UDP?
Port 16619 is registered for TCP.
Is it safe to open port 16619?
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 16619 is open?
On Linux run "ss -ltnup 'sport = :16619'", on macOS "lsof -nP -i :16619", and on Windows "netstat -ano | findstr :16619" to see the local process. From another machine, "nmap -p 16619 <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