Port 7781
accu-lmgr · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | accu-lmgr |
Frequently asked questions
What is port 7781 used for?
Port 7781 is registered with the IANA for accu-lmgr (TCP/UDP). Description: accu-lmgr.
Is port 7781 a well-known port?
No. Port 7781 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 7781 is open?
Locally on Linux with ss -tulpn | grep ':7781\b', on Windows with netstat -ano | findstr :7781. To test a remote host use Test-NetConnection <host> -Port 7781 in PowerShell or nc -zv <host> 7781 on Linux/macOS.
How do I open port 7781 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 7781/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7781/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7781" -Direction Inbound -Protocol TCP -LocalPort 7781 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | accu-lmgr | accu-lmgr |
| UDP | accu-lmgr | accu-lmgr |