Port 15740

ptp · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceptp
Registered2004-11

Frequently asked questions

What is port 15740 used for?

Port 15740 is registered with the IANA for ptp (TCP/UDP). Description: Picture Transfer Protocol.

Is port 15740 a well-known port?

No. Port 15740 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 15740 is open?

Locally on Linux with ss -tulpn | grep ':15740\b', on Windows with netstat -ano | findstr :15740. To test a remote host use Test-NetConnection <host> -Port 15740 in PowerShell or nc -zv <host> 15740 on Linux/macOS.

How do I open port 15740 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 15740/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=15740/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 15740" -Direction Inbound -Protocol TCP -LocalPort 15740 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPptpPicture Transfer Protocol
UDPptpPicture Transfer Protocol

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