All ports
Port2773/UDP
rbakcup1Port
2773
Protocol
UDP
Category
Registered
Service
rbakcup1
What is port 2773?
Port 2773/UDP is a Registered port, registered with IANA for specific applications. It is associated with the rbakcup1 service.
RBackup Remote Backup
Useful commands
nmapnmap -p 2773 -sV example.comnetcatnc -zv example.com 2773curlcurl -v http://example.com:2773/telnettelnet example.com 2773bash(echo > /dev/udp/example.com/2773) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2773/udpDeny
sudo ufw deny 2773/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2773 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2773 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2773/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2773" dir=in action=allow protocol=UDP localport=2773Security 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- Outdated versions with vulnerabilities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 2773/UDP?
Port 2773/UDP is associated with the rbakcup1 service. RBackup Remote Backup
Is it safe to expose port 2773 to the Internet?
It depends on the service and configuration. Port 2773 (rbakcup1) 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 2773 is open?
You can use nmap: `nmap -p 2773 -sV example.com`, netcat: `nc -zv example.com 2773`, or the bash command: `(echo > /dev/udp/example.com/2773) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2773 on my firewall?
On Linux with UFW: `sudo ufw allow 2773/udp` (open) or `sudo ufw deny 2773/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2773 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2773" dir=in action=allow protocol=UDP localport=2773`.
What applications and services use port 2773?
Port 2773/UDP is used by the rbakcup1 service. Specific uses depend on the software and configuration. Check our related tools section for more information.