Domain Name System

DNS tunneling attack: What do you need to know?

The topic of this article is the DNS tunneling attack. First, we will explore it in detail. Then you’ll be able to confidently assert that you know what it does and why it’s so harmful. So, without further ado, let’s get started.

DNS tunneling attack – definition

DNS Tunneling attack is cybercriminal activity. As the name implies, it is the Domain Name System attack type. Its method of operation is simple. DNS queries and responses encode the data of other programs or protocols, most often malicious. This gives attackers a covert command and control route as well as a way to steal data.

Examples and cases of DNS tunneling attack

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Managed DNS

Managed DNS: What is it and why to use it?

Managed DNS is a very handy tool for managing your Domain Name System. We are all conscious of the importance of DNS. There would be no Internet without it! Nonetheless, the common question is, should it go beyond the minimum? Yes, if you want to improve the resolution of your domain, it is advisable to implement a Managed DNS service. But why this is necessary, we will see today in our article. 

What does Managed DNS mean?

Managed DNS is a very convenient service that allows you to manage your DNS data. It is mostly offered by specialized firms, also known as hosting companies. When you choose a provider and, therefore, the right plan for you, you will access their servers. In fact, thanks to them, you will be able to manage your data, namely to implement Managed DNS.

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TTL

TTL meaning and definition

Time is a critical factor to be considered almost for everything. Every project, business, process, fixing, etc., you try is marked by a specific time. Computing and networking are not exceptions. Lots of processes must happen in determined periods of time, actually in milliseconds, to be considered efficient and successful. 

TTL meaning and definition

The letters TTL are the initials for time-to-live. It is the value that points to the exact period of time or number of hops that data packet is configured to be alive on a network or in the cache memory. Once that time expires, or it hops the number of times, routers will discard it. There are different kinds of data-chunks, and they all work with their specific TTL. Meaning, the time such data will be held in a device to complete determined tasks or functions.  

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