Port 1587
pra-elmd and pra_elmd · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | pra-elmd and pra_elmd |
Frequently asked questions
What is port 1587 used for?
Port 1587 is registered with the IANA for pra-elmd and pra_elmd (TCP/UDP). Description: pra_elmd IANA assigned this well-formed service name as a replacement for "pra_elmd".; pra_elmd.
Is port 1587 a well-known port?
No. Port 1587 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1587 is open?
Locally on Linux with ss -tulpn | grep ':1587\b', on Windows with netstat -ano | findstr :1587. To test a remote host use Test-NetConnection <host> -Port 1587 in PowerShell or nc -zv <host> 1587 on Linux/macOS.
How do I open port 1587 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1587/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1587/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1587" -Direction Inbound -Protocol TCP -LocalPort 1587 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | pra-elmd | pra_elmd IANA assigned this well-formed service name as a replacement for "pra_elmd". |
| TCP | pra_elmd | pra_elmd |
| UDP | pra-elmd | pra_elmd IANA assigned this well-formed service name as a replacement for "pra_elmd". |
| UDP | pra_elmd | pra_elmd |