In computer networking, the protocols of the Transport Layer of the Internet Protocol Suite, most notably the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP), but also other protocols, use a numerical identifier for the data structures of the endpoints for host-to-host communications. Such an endpoint is known as a port and the identifier is the port number.
The devices and comptuers connected to the Internet use a protocol called TCP/IP to communicate with each other. When a computer in any part of world wants to communicate a piece of data to a computer in netherland or anywhere, it must know the destination IP address that it woud like to send the information to. That information is sent most often via two methods, UDP and TCP.
In this article, you will learn about:
How to check open port for my IP address
How to trace/track physical location of IP address (Free tools, no download required)
Utlising open ports are quite useful in peer to peer network sharing softwares like Emule, Torrents etc., where your computer will communicate with network of servers.
The list of common port available are:
- 21 FTP
- 22 SSH
- 23 TELNET
- 25 SMTP
- 53 DNS
- 80 HTTP
- 110 POP3
- 115 SFTP
- 135 RPC
- 139 NetBIOS
- 143 IMAP
- 194 IRC
- 443 SSL
- 445 SMB
- 1433 MSSQL
- 3306 MySQL
- 3389 Remote Desktop
- 5632 PCAnywhere
- 5900 VNC
- 6112 Warcraft III
Not to forget all these port numbers are kept open for use by your ISP just to malicious and virus attack. So here the question How do I know which port number is open for my computer.
Check this utility..
Fig: How to check open port for my IP address
Fig: How to trace/lookup geophysical location of IP address
This IP address locator tool will help you locate IP address user where they are communication including ISP name,country,cityr,postal code along google map.
Thanks to yougetsignal.com in providing these utilities Check Open port(TCP/UDP) Tester and Trace IP address network location tool
