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Port Number 2525 | What is Port 2525?

Information about tcp/udp Port 2525

A Software Port (usually just called a 'port') is a virtual data connection that can be used by programs to exchange data directly, instead of going through a file or other temporary storage location. The most common of these are TCP and UDP ports which are used to exchange data between computers on the Internet. Port 2525 uses the tcp/udp protocol for service type ms-v-worlds. A malformed request to port 2525 is known to cause denial of service attacks.

In the TCP and UDP protocols used in computer networking, a port is a special number present in the header of a data packet. Ports are typically used to map data to a particular process running on a computer. Port numbers can occasionally be seen in the URLs of websites. By default, HTTP uses port 80 and HTTPS uses port 443, but a URL like would try to connect to an HTTP server on port 8000 instead. Port 2525 is used for the ms-v-worlds service. An example would be when accessed by a web service. Port 2525 may be used for several services including MS V-Worlds-- and more. Port 2525 is known to have vulnerabilities caused by trojans and remote code execution.

Note that not all transport layers use network ports; for example, although UDP and TCP use ports, ICMP does not. By default, the firewall should disallow traffic to port 2525 until all security checks have been passed. If an application cannot listen on port 2525, the port 2525 is already in use by another application causing the conflict.

Port Number: 2525 (Windows 7/Windows Vista/ Windows XP/Windows Server family)
MS V-Worlds--
Protocol Used : tcp/udp
Service Type : ms-v-worlds
Known Port 2525 exploits: Yes
Known Port 2525 Security Risks: Yes

Information on Port 2525: Windows 7/Vista/XP

Port 2525 Information

  • Go to the command prompt (Start>Run>cmd)
  • Enter netstat -ano
  • You will get a report of Active Connections
  • Report includes: Protocol, Local Address, Foreign Address, State, PID
  • e.g.
    • Proto Local Address Foreign Address State PID
    • UDP *:* 2525
  • Write down the PID (process identifier) associated with port 2525 (Also note the Local Address, Foreign Address, Protocol and State.)
  • Next, start the Windows Task Manager
  • Select the Processes tab in Task Manager
  • Search for the PID you wrote down previously
  • netstat parameter -s displays per-protocol statistics. By default, statistics are shown for IP, IPv6, ICMP, ICMPv6, TCP, TCPv6, UDP, and UDPv6

How to manually open Port 2525 in Windows Firewall?

Windows Firewall may block port 2525 by default. If you want to allow a program to communicate using Port 2525 through the firewall, you can usually do that by selecting the required program on the Exceptions tab in Windows Firewall. However, sometimes the program is not listed in the Exceptions tab. In this case you need to open the port manually.

1.Open Windows Firewall by clicking Start, Control Panel, Security, and then Windows Firewall.

2.Click 'Allow a program through Windows Firewall'.

3.Click 'Add port'.

4.In the 'Name' field, type a friendly name for the port like 'Port-2525'.

5.In the 'Port number' field, enter the port number '2525'.

6.Select TCP or UDP, depending on the protocol required for port 2525.

Free Software Downloads: Windows 7/Vista/XP

How to scan a PC/network for tcp/udp port 2525 vulnerabilities?
If you detect unusual port 2525 activity or port 2525 intrusion, you need to check for known security risks. Security risks are due to remote hacking attempts, trojans, malware and spyware present on the computer. Incorrect port 2525 mapping, port 2525 forwarding, or port 2525 binding can cause vulnerabilities as well. A port scanner or network analyzer will detect open 2525 ports used on a PC (or a network) and detect security threats. Other software tools like an IP scanner, open port 2525 scanner, remote open port 2525 scanner, open port scan tool or remote port check can be used. The software below is free or open source.

Free Online Port Scanner/Port Checker/Port Scan Test
Firewall Vulnerability Test Tool: Run Now
Network Security Scanner/Vulnerability Scanner/Port Scanner: Download Nmap