All ports
Port1026/TCP
capPort
1026
Protocol
TCP
Category
Registered
Service
cap
What is port 1026?
Port 1026/TCP is a Registered port, registered with IANA for specific applications. It is associated with the cap service.
Calendar Access Protocol
Useful commands
nmapnmap -p 1026 -sV example.comnetcatnc -zv example.com 1026curlcurl -v http://example.com:1026/telnettelnet example.com 1026bash(echo > /dev/tcp/example.com/1026) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1026/tcpDeny
sudo ufw deny 1026/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 1026 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 1026 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1026/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1026" dir=in action=allow protocol=TCP localport=1026Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 1026/TCP?
Port 1026/TCP is associated with the cap service. Calendar Access Protocol
Is it safe to expose port 1026 to the Internet?
It depends on the service and configuration. Port 1026 (cap) is a Registered port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 1026 is open?
You can use nmap: `nmap -p 1026 -sV example.com`, netcat: `nc -zv example.com 1026`, or the bash command: `(echo > /dev/tcp/example.com/1026) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1026 on my firewall?
On Linux with UFW: `sudo ufw allow 1026/tcp` (open) or `sudo ufw deny 1026/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 1026 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1026" dir=in action=allow protocol=TCP localport=1026`.
What applications and services use port 1026?
Port 1026/TCP is used by the cap service. Specific uses depend on the software and configuration. Check our related tools section for more information.