All ports

Port3528/UDP

jboss-iiop

Port

3528

Protocol

UDP

Category

Registered

Service

jboss-iiop

What is port 3528?

Port 3528/UDP is a Registered port, registered with IANA for specific applications. It is associated with the jboss-iiop service.

JBoss IIOP

Useful commands

nmapnmap -p 3528 -sV example.com
netcatnc -zv example.com 3528
curlcurl -v http://example.com:3528/
telnettelnet example.com 3528
bash(echo > /dev/udp/example.com/3528) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 3528/udp
Deny
sudo ufw deny 3528/udp
iptablesAllow
sudo iptables -A INPUT -p udp --dport 3528 -j ACCEPT
Deny
sudo iptables -D INPUT -p udp --dport 3528 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=3528/udp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 3528" dir=in action=allow protocol=UDP localport=3528

Security 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  • Outdated versions with vulnerabilities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 3528/UDP?

Port 3528/UDP is associated with the jboss-iiop service. JBoss IIOP

Is it safe to expose port 3528 to the Internet?

It depends on the service and configuration. Port 3528 (jboss-iiop) 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 3528 is open?

You can use nmap: `nmap -p 3528 -sV example.com`, netcat: `nc -zv example.com 3528`, or the bash command: `(echo > /dev/udp/example.com/3528) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 3528 on my firewall?

On Linux with UFW: `sudo ufw allow 3528/udp` (open) or `sudo ufw deny 3528/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3528 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3528" dir=in action=allow protocol=UDP localport=3528`.

What applications and services use port 3528?

Port 3528/UDP is used by the jboss-iiop service. Specific uses depend on the software and configuration. Check our related tools section for more information.

Related ports