Port 20057
avesterra · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | avesterra |
| Registered | 2016-06-06 |
Frequently asked questions
What is port 20057 used for?
Port 20057 is registered with the IANA for avesterra (TCP/UDP). Description: AvesTerra Hypergraph Transfer Protocol (HGTP); Reserved.
Is port 20057 a well-known port?
No. Port 20057 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 20057 is open?
Locally on Linux with ss -tulpn | grep ':20057\b', on Windows with netstat -ano | findstr :20057. To test a remote host use Test-NetConnection <host> -Port 20057 in PowerShell or nc -zv <host> 20057 on Linux/macOS.
How do I open port 20057 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 20057/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=20057/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 20057" -Direction Inbound -Protocol TCP -LocalPort 20057 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | avesterra | AvesTerra Hypergraph Transfer Protocol (HGTP) |
| UDP | – | Reserved |