Port 3682

cas-mapi · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicecas-mapi
Registered2003-01

Frequently asked questions

What is port 3682 used for?

Port 3682 is registered with the IANA for cas-mapi (TCP/UDP). Description: EMC SmartPackets-MAPI.

Is port 3682 a well-known port?

No. Port 3682 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3682 is open?

Locally on Linux with ss -tulpn | grep ':3682\b', on Windows with netstat -ano | findstr :3682. To test a remote host use Test-NetConnection <host> -Port 3682 in PowerShell or nc -zv <host> 3682 on Linux/macOS.

How do I open port 3682 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3682/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3682/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3682" -Direction Inbound -Protocol TCP -LocalPort 3682 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPcas-mapiEMC SmartPackets-MAPI
UDPcas-mapiEMC SmartPackets-MAPI

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