Port 3587

p2pgroup · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicep2pgroup
Registered2002-08

Frequently asked questions

What is port 3587 used for?

Port 3587 is registered with the IANA for p2pgroup (TCP/UDP). Description: Peer to Peer Grouping.

Is port 3587 a well-known port?

No. Port 3587 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3587 is open?

Locally on Linux with ss -tulpn | grep ':3587\b', on Windows with netstat -ano | findstr :3587. To test a remote host use Test-NetConnection <host> -Port 3587 in PowerShell or nc -zv <host> 3587 on Linux/macOS.

How do I open port 3587 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3587/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3587/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3587" -Direction Inbound -Protocol TCP -LocalPort 3587 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPp2pgroupPeer to Peer Grouping
UDPp2pgroupPeer to Peer Grouping

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