Your IP address is
Your port is
An Internet Protocol address, also called an IP address, is the number that corresponds to the identity of your device on the Internet. It is through this number that data via the network reaches your device.
We are talking here about a public address, ie connected to the 'global' network and which makes it possible to identify its location or even its owner. Regardless of the device connected to the network using the Internet Protocol (Computer, phone, network printer, ...), it is assigned via DHCP, or manually by the administrator of the subnet.
The IP address on this site is a version 4 address, it is the most used, with four numbers from 0 to 255 and all separated by periods, it can look like this: '126.96.36.1990'.
It should be remembered that the Internet service provider (ISP) is able to find its owner on demand.
The port number, unlike the IP address, is mainly used to differentiate data sources, that is, applications. The combination IP address plus port number is thus called a 'socket': this combination is unique in the world. Both should not be confused: a socket serves as a globally unique identifier, while a port identifies a process locally.
Written at the end of the IP address, there are 3 categories of port number coded on 16 bits:
But what does TCP mean ?
Let's talk about the IP / TCP protocol. The first one, the IP, called the addressing protocol, ensures the routing of data, while the second one, the TCP, called the transport protocol, allows you to start and ensure a correct connection between the two computers.
This public address can be assigned temporarily, ie dynamic, or permanent, in other words fixed. It all depends on your Internet service provider (ISP). In the event that yours is dynamic, it therefore changes approximately every 24 hours or even on the days when you switch off your modem. If on the contrary it is fixed, you cannot change it. This is why the best solution if you want to be untraceable, remains the use of a VPN or a proxy.
If yours is dynamic, a 'Dyn DNS' type service is a good way to make it fixed. This will in a way allow you to install a server in your home.
DNS (Domain Name Service) are the domain names which serve as a link between visitors and IP addresses like '69 .63.176.13 'servers.
We must admit that one is much more intuitive than the other !
We can use this IP in some cases such as video games, remote connection, geolocation, to remain anonymous, IP phone etc ...