Port 6244
jeol-nsddp-4 and jeol-nsdtp-4 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | jeol-nsddp-4 and jeol-nsdtp-4 |
| Registered | 2008-04-17 |
Frequently asked questions
What is port 6244 used for?
Port 6244 is registered with the IANA for jeol-nsddp-4 and jeol-nsdtp-4 (TCP/UDP). Description: JEOL Network Services Data Transport Protocol 4; JEOL Network Services Dynamic Discovery Protocol 4.
Is port 6244 a well-known port?
No. Port 6244 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 6244 is open?
Locally on Linux with ss -tulpn | grep ':6244\b', on Windows with netstat -ano | findstr :6244. To test a remote host use Test-NetConnection <host> -Port 6244 in PowerShell or nc -zv <host> 6244 on Linux/macOS.
How do I open port 6244 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 6244/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6244/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6244" -Direction Inbound -Protocol TCP -LocalPort 6244 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | jeol-nsdtp-4 | JEOL Network Services Data Transport Protocol 4 |
| UDP | jeol-nsddp-4 | JEOL Network Services Dynamic Discovery Protocol 4 |