Port 7700
em7-secom · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | em7-secom |
| Registered | 2008-06-05 |
Frequently asked questions
What is port 7700 used for?
Port 7700 is registered with the IANA for em7-secom (TCP/UDP). Description: EM7 Secure Communications; Reserved.
Is port 7700 a well-known port?
No. Port 7700 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 7700 is open?
Locally on Linux with ss -tulpn | grep ':7700\b', on Windows with netstat -ano | findstr :7700. To test a remote host use Test-NetConnection <host> -Port 7700 in PowerShell or nc -zv <host> 7700 on Linux/macOS.
How do I open port 7700 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 7700/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7700/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7700" -Direction Inbound -Protocol TCP -LocalPort 7700 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | em7-secom | EM7 Secure Communications |
| UDP | – | Reserved |