When an Internet access service is contracted with an operator, they assign us a public IP address.It is the address that is known on the network, which is published by the router, so that all computers know find our device .Then the router directs this information through its private IP, the address of our local network to the computer, tablet, TV or smartphone that has requested it.The public IP is dynamic, that is, no We always have the same and it changes over time.If we want to avoid this circumstance and always keep the same IP, there are different alternatives.We will see how to obtain a fixed IP for our Internet connection . Related
How to know what your public IP is
As we said before, a router has two IPs: a public one that gives access to the Internet and a private one , which corresponds to our local network, that is, the equipment that we have connected in our home.Knowing the router's private IP address is very simple.Just open a console and type "ipconfig" .In Windows 10 we just have to right-click on "Start" and choose the System symbol option.After we execute the command « ipconfig» .
Here we have to look at the value of the gateway .This is the private IP of the router.To know the public IP, we have to access Internet services, such as “What is My IP '.It is also normal for the public IP to appear when we do some speed test of our connection.With this data and the appropriate configuration, we can take great advantage of our Internet connection.
If we only want to connect in a timely manner when we are away from home to some equipment, it would be enough to know this information to configure the router ports and redirect the traffic to the device we want to access .The bad thing is if we want to connect regularly, since the public IP, being dynamic, changes.This modification can occur simply if we have a power outage and our router resets or the assigned IP is renewed on a regular basis by having an expiration time.
Advantages of having a fixed IP
If the public IP address is fixed, we will have a number of advantages that can be very useful in certain situations:
- Enable remote connections from any location to computers in our local network.This allows us to work from any Internet access; and if we have correctly configured the redirection and opening of ports on the router, work directly on our computer as if we were at home.
- Connection to FTP or Web servers that we have in our local network.In this way, we access the files that we have on a network hard disk, or directly to the router, being able to mount our own server website to host our pages and not depend on external services.
- Connection to services that use certificates over IP , increasing the security of connections.This type of services is usually used by companies, banks or public administrations to ensure that the user who has access to the service He always does it from the same team and the same location.
- Access to video surveillance or videocontrol devices , such as an IP camera that we have in our home, to help us verify that everything is fine.
- Having a fixed IP also translates into some advantages in connecting with a lower latency, something very important for online games .
Services to obtain a fixed IP temporarily
There are many services that are responsible for facilitating our connection to our dynamic IP. Dynamic DNS services that translate that IP address into a recognizable name, in this way, instead of connecting to an IP of the type Connection-Name.name.service.com , A small program installed on the computer is responsible for informing the public IP service of our router to associate it with said assigned name.In this way, it does not matter if the address changes, since we connect to the name that we have configured , which won't change.Let's see some options to use this trick:
- DynDNS is one of the most famous services.If we sign up for the dynamic DNS service, it offers us the possibility of associating our IP with a subdomain , Name-conexion.dyndns.com .This service has become paid, losing part of its appeal to the domestic user.
- NO-IP.With this service, we can associate up to three dynamic public IP addresses to their corresponding subdomain .Of course, it expires a month, although it is possible to renew it without any cost.This allows us to enjoy some of the advantages of a fixed IP, especially in the case of remote connections.
- FreeDNS Afraid, despite having a rather rough website, offers a good service to translate our dynamic IP with the use of dynamic DNS, which help us connect through a domain name easily for up to five public IPs different.
- DNSExit is another alternative.It works similarly, although we need to install a client that reports the router's IP address on the computer we want to connect to.
- Duck DNS follows the same line of operation.The best thing is that it allows us to associate up to five dynamic IPs to different subdomains, without asking us to renew the service.
- Duiadns offers dynamic DNS to connect remotely to our created subdomain, supporting IPv6, which is interesting if we have to connect somewhere with this connection protocol.
- AjpdSoft Notice IP change is a different service, since it only informs us when there has been a change of public IP.Send an email with the new data.This allows us to always know what the public IP is and connect through it, which gives us more flexibility with port redirection if in a local network we want to enable addresses to different computers.
Contract a fixed IP with Orange
Anyway, these options are not always going to give the necessary answer or maybe they are not the best alternative if we do not want to depend on whether the dynamic DNS service is or is not installed on a computer, so the best option is contract a fixed IP with our operator.Orange offers us the possibility of adding this service to our connection.
It is a more reliable, more efficient and much more comfortable alternative..We do not depend on third-party services, renovations, on whether one of these services changes its use policies, etc.At the same time , we take advantage of all the advantages, such as the lower latency or the added security of having the fixed IP or the use of VPN over said static public address.
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