All ports
Port8280/UDP
synapse-nhttpPort
8280
Protocol
UDP
Category
Registered
Service
synapse-nhttp
What is port 8280?
Port 8280/UDP is a Registered port, registered with IANA for specific applications. It is associated with the synapse-nhttp service.
Synapse Non Blocking HTTP
Useful commands
nmapnmap -p 8280 -sV example.comnetcatnc -zv example.com 8280curlcurl -v http://example.com:8280/telnettelnet example.com 8280bash(echo > /dev/udp/example.com/8280) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 8280/udpDeny
sudo ufw deny 8280/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 8280 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 8280 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=8280/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 8280" dir=in action=allow protocol=UDP localport=8280Security Risks
- SQL injection and cross-site scripting (XSS)
- Exposure of sensitive data due to lack of encryption
- Denial of service attacks (DoS)
- Directory traversal and exposure of sensitive files
- Brute force attacks against authentication forms
Frequently Asked Questions
What service runs on port 8280/UDP?
Port 8280/UDP is associated with the synapse-nhttp service. Synapse Non Blocking HTTP
Is it safe to expose port 8280 to the Internet?
It depends on the service and configuration. Port 8280 (synapse-nhttp) 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 8280 is open?
You can use nmap: `nmap -p 8280 -sV example.com`, netcat: `nc -zv example.com 8280`, or the bash command: `(echo > /dev/udp/example.com/8280) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 8280 on my firewall?
On Linux with UFW: `sudo ufw allow 8280/udp` (open) or `sudo ufw deny 8280/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 8280 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 8280" dir=in action=allow protocol=UDP localport=8280`.
What applications and services use port 8280?
Port 8280/UDP is used by the synapse-nhttp service. Specific uses depend on the software and configuration. Check our related tools section for more information.