Port 2787

piccolo · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicepiccolo

Frequently asked questions

What is port 2787 used for?

Port 2787 is registered with the IANA for piccolo (TCP/UDP). Description: piccolo - Cornerstone Software.

Is port 2787 a well-known port?

No. Port 2787 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2787 is open?

Locally on Linux with ss -tulpn | grep ':2787\b', on Windows with netstat -ano | findstr :2787. To test a remote host use Test-NetConnection <host> -Port 2787 in PowerShell or nc -zv <host> 2787 on Linux/macOS.

How do I open port 2787 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2787/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2787/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2787" -Direction Inbound -Protocol TCP -LocalPort 2787 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPpiccolopiccolo - Cornerstone Software
UDPpiccolopiccolo - Cornerstone Software

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