What Technology Is Used to Present a Public Ip Address to Computers Outside?

If you’re wondering what technology is used to present a public IP address to computers outside, the answer is pretty simple: network address translation (NAT). NAT is a mechanism that allows devices on a private network to share a single public IP address.

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Introduction

There are a number of ways to present a public IP address to computers outside. The most common method is to use a router with a built-in firewall. This will allow you to share a single IP address among multiple computers on your network. Another common method is to use a dedicated server with multiple IP addresses. This can be more expensive, but it provides more flexibility and security.

What is a public IP address?

A public IP address is an IP address that can be accessed over the Internet. They are assigned to devices that connect to the Internet, such as computers, routers, and modems.

Public IP addresses are not assigned to devices that connect to a private network, such as a local area network (LAN). A device on a LAN will have a private IP address that is not accessible over the Internet.

How do I present a public IP address to computers outside?

In order to present a public IP address to computers outside, you need to use a technology such as NAT (Network Address Translation). NAT allows you to take a private IP address and translate it into a public IP address. This way, you can have multiple computers inside your network using private IP addresses, but they will all appear to have the same public IP address.

The technology used to present a public IP address

The technology used to present a public IP address to computers outside of a private network is called network address translation (NAT). NAT is a process that modifies IP addresses and other headers in Internet Protocol (IP) datagrams. This process is used to enable private networks to connect to the Internet. When a device in a private network sends data to a device in a public network, NAT rewrites the source IP address in the header of the datagram so that it appears to come from the NAT device itself. The NAT device also keeps track of which private IP addresses have been translated into which public IP addresses. When it receives a return datagram addressed to one of its public IP addresses, it translates the address back into the corresponding private IP address.

The benefits of presenting a public IP address

Your public IP address is the address that is assigned to your computer by your Internet service provider (ISP). This is the address that is used to communicate with computers outside of your local network.

Presenting a public IP address has several benefits. First, it allows you to communicate with computers outside of your local network. Second, it allows you to access services that are only available to computers with a public IP address. Finally, it allows you to manage your network more easily from a central location.

The drawbacks of presenting a public IP address

There are a few reasons why you might not want to use your ISP-assigned public IP address. First, it can be expensive. If you have a business-class account with a large ISP, you may be able to negotiate a static IP address as part of your package. However, for residential accounts, ISPs typically charge an additional monthly fee for this service. Second, your ISP-assigned public IP address is likely to change from time to time (perhaps as often as every time your modem or router is reset or power cycled). This can be a problem if you need to give people or services a consistent way to reach your computer. Third, it can be a security risk to use your ISP-assigned public IP address because it give potential attackers one more piece of information they could use to try to compromise your system.

How to keep your public IP address safe

There are many ways to keep your public IP address safe. The most common way is to use a Virtual Private Network (VPN). A VPN will encrypt your traffic and route it through a server in another location, making it difficult for anyone to trace the traffic back to you. Another way to keep your IP address safe is to use a proxy server. A proxy server will route your traffic through another server, which will then connect to the internet on your behalf. This makes it difficult for anyone to track the traffic back to you.

In conclusion

Presenting a public IP address to computers outside is done using a number of technologies, the most common of which are NAT, PAT and port forwarding. Each has its own advantages and disadvantages, so it’s important to choose the one that best suits your needs.

Further reading

Most home users have a router which connects their LAN to the internet. The router has a single public IP address, and all the computers on the LAN share that address. This is called NAT (network address translation).

References

– How to Find Your Public IP Address https://www.wikihow.com/Find-Your-Public-IP-Address
– What is a public IP address? – Definition from WhatIs.com https://whatis.techtarget.com/definition/public-IP-address
– Everything you need to know about public and private IP addresseshttps://www.avast.com/c-what-is-my-ip

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