- 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 4077: Ascom IP Alarming
Port 4077 is assigned by IANA to ascomalarm (Ascom IP Alarming).
4077
How ascomalarm works
Other servicesThe client sends a request to port 4077 and the ascomalarm service answers.
- Transport
- 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 4077 dangerous?
We have no specific security note for port 4077. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 4077
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| ascomalarm | 4077 | UDP | Ascom IP Alarming | - | 2008-05-01 |
| - | 4077 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 4077, and is it reachable?
Linux
sudo ss -ltnup 'sport = :4077' # process listening on 4077
sudo lsof -nP -i :4077macOS
sudo lsof -nP -i :4077
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4077 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 4077 netstat -ano | findstr :4077
From another machine
nmap -p 4077 -sV <host> sudo nmap -sU -p 4077 <host> nc -zv <host> 4077
Block it in the firewall
sudo ufw deny 4077/udp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 4077" -Direction Inbound -LocalPort 4077 -Protocol UDP -Action Block # Windows
What is port 4077 used for?
Port 4077 is assigned by IANA to ascomalarm (Ascom IP Alarming).
Is port 4077 TCP or UDP?
Port 4077 is registered for UDP.
Is it safe to open port 4077?
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 4077 is open?
On Linux run "ss -ltnup 'sport = :4077'", on macOS "lsof -nP -i :4077", and on Windows "netstat -ano | findstr :4077" to see the local process. From another machine, "nmap -p 4077 <host>" shows whether it is reachable.
Other other services ports
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