- 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 1776: Federal Emergency Management Information System
Port 1776 is assigned by IANA to femis (Federal Emergency Management Information System).
How femis works
Other servicesThe client sends a request to port 1776 and the femis 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 1776 dangerous?
We have no specific security note for port 1776. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 1776
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| femis | 1776 | TCP, UDP | Federal Emergency Management Information System | - | - |
// source: IANA service name and port number registry
Which program uses port 1776, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1776' # process listening on 1776
sudo lsof -nP -i :1776macOS
sudo lsof -nP -i :1776
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1776 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1776 netstat -ano | findstr :1776
From another machine
nmap -p 1776 -sV <host> sudo nmap -sU -p 1776 <host> nc -zv <host> 1776
Block it in the firewall
sudo ufw deny 1776/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1776" -Direction Inbound -LocalPort 1776 -Protocol TCP -Action Block # Windows
What is port 1776 used for?
Port 1776 is assigned by IANA to femis (Federal Emergency Management Information System).
Is port 1776 TCP or UDP?
Port 1776 is registered for TCP and UDP.
Is it safe to open port 1776?
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 1776 is open?
On Linux run "ss -ltnup 'sport = :1776'", on macOS "lsof -nP -i :1776", and on Windows "netstat -ano | findstr :1776" to see the local process. From another machine, "nmap -p 1776 <host>" shows whether it is reachable.