Port 1677
groupwise · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | groupwise |
Frequently asked questions
What is port 1677 used for?
Port 1677 is registered with the IANA for groupwise (TCP/UDP). Description: groupwise.
Is port 1677 a well-known port?
No. Port 1677 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1677 is open?
Locally on Linux with ss -tulpn | grep ':1677\b', on Windows with netstat -ano | findstr :1677. To test a remote host use Test-NetConnection <host> -Port 1677 in PowerShell or nc -zv <host> 1677 on Linux/macOS.
How do I open port 1677 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1677/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1677/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1677" -Direction Inbound -Protocol TCP -LocalPort 1677 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | groupwise | groupwise |
| UDP | groupwise | groupwise |