Port 1026
cap · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | cap |
| Registered | 2010-12-09 |
Frequently asked questions
What is port 1026 used for?
Port 1026 is registered with the IANA for cap (TCP/UDP). Description: Calendar Access Protocol.
Is port 1026 a well-known port?
No. Port 1026 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1026 is open?
Locally on Linux with ss -tulpn | grep ':1026\b', on Windows with netstat -ano | findstr :1026. To test a remote host use Test-NetConnection <host> -Port 1026 in PowerShell or nc -zv <host> 1026 on Linux/macOS.
How do I open port 1026 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1026/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1026/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1026" -Direction Inbound -Protocol TCP -LocalPort 1026 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | cap | Calendar Access Protocol |
| UDP | cap | Calendar Access Protocol |