Port 2049
nfs and shilp · SCTP/TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | SCTP/TCP/UDP |
| Service | nfs and shilp |
| Reference | RFC 5665 |
Frequently asked questions
What is port 2049 used for?
Port 2049 is registered with the IANA for nfs and shilp (SCTP/TCP/UDP). Description: ; Network File System - Sun Microsystems; Network File System.
Is port 2049 a well-known port?
No. Port 2049 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 2049 is open?
Locally on Linux with ss -tulpn | grep ':2049\b', on Windows with netstat -ano | findstr :2049. To test a remote host use Test-NetConnection <host> -Port 2049 in PowerShell or nc -zv <host> 2049 on Linux/macOS.
How do I open port 2049 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 2049/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2049/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2049" -Direction Inbound -Protocol TCP -LocalPort 2049 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | shilp | |
| UDP | shilp | |
| TCP | nfs | Network File System - Sun Microsystems |
| UDP | nfs | Network File System - Sun Microsystems |
| SCTP | nfs | Network File System |