- 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 3098: Universal Message Manager
Port 3098 is assigned by IANA to umm-port (Universal Message Manager).
How umm-port works
Other servicesThe client sends a request to port 3098 and the umm-port 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
Is port 3098 dangerous?
We have no specific security note for port 3098. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 3098
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| umm-port | 3098 | TCP, UDP | Universal Message Manager | - | - |
// source: IANA service name and port number registry
Which program uses port 3098, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3098' # process listening on 3098
sudo lsof -nP -i :3098macOS
sudo lsof -nP -i :3098
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3098 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3098 netstat -ano | findstr :3098
From another machine
nmap -p 3098 -sV <host> sudo nmap -sU -p 3098 <host> nc -zv <host> 3098
Block it in the firewall
sudo ufw deny 3098/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3098" -Direction Inbound -LocalPort 3098 -Protocol TCP -Action Block # Windows
What is port 3098 used for?
Port 3098 is assigned by IANA to umm-port (Universal Message Manager).
Is port 3098 TCP or UDP?
Port 3098 is registered for TCP and UDP.
Is it safe to open port 3098?
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 3098 is open?
On Linux run "ss -ltnup 'sport = :3098'", on macOS "lsof -nP -i :3098", and on Windows "netstat -ano | findstr :3098" to see the local process. From another machine, "nmap -p 3098 <host>" shows whether it is reachable.