Port 5742
ida-discover2 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | ida-discover2 |
Frequently asked questions
What is port 5742 used for?
Port 5742 is registered with the IANA for ida-discover2 (TCP/UDP). Description: IDA Discover Port 2.
Is port 5742 a well-known port?
No. Port 5742 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5742 is open?
Locally on Linux with ss -tulpn | grep ':5742\b', on Windows with netstat -ano | findstr :5742. To test a remote host use Test-NetConnection <host> -Port 5742 in PowerShell or nc -zv <host> 5742 on Linux/macOS.
How do I open port 5742 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5742/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5742/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5742" -Direction Inbound -Protocol TCP -LocalPort 5742 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | ida-discover2 | IDA Discover Port 2 |
| UDP | ida-discover2 | IDA Discover Port 2 |