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Alejandro Álvarez

Alejandro Álvarez

SEO & GEO/ SEM Manager at Teldat
Connecting some of the dots between Nftables, Iptables and Netfilter

Connecting some of the dots between Nftables, Iptables and Netfilter

When it comes to packet filtering on Linux, Nftables (a successor to Iptables) has matured sufficiently in recent years for it to be considered the default tool to use today. However, Iptables is still widely used in modern systems (e.g., Debian buster),  with it often being “emulated” by using Nftables as backend, whereupon it becomes merely an alternative syntax to Nftables for defining packet...

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Open Data – contributes to Smart Cities

Open Data – contributes to Smart Cities

A few weeks ago, we blogged about the importance of Smart Cities to promote smart sustainable cities. Half the population worldwide now lives in big cities, and this figure is expected to rise over the next ten years. Recent UN studies show that urban centers consume as much as 78% of the world’s energy and produce more than 60% of greenhouse gas emissions. This problem directly affects the...

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Web components – understanding the technology

Web components – understanding the technology

Web Components is a standard introduced by the W3C for creating new elements for the web. It also allows developers to easily reuse and extend both the developed components and native elements. As they are part of the browser, no external library like jQuery is required. All you need to use your web component is a sentence in your HTML. Therefore, the idea would be that it is available at all...

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Cloud technology’s impact and network equipment on the Cloud

Cloud technology’s impact and network equipment on the Cloud

Nowdays many organizations increasingly look forward to using Cloud technologies and allocating their services on the Cloud. This is not only what global companies or IT companies are working on, this is what any companies are moving towards, if they are looking for a modern and suitable technical solution for their day to day transactions. The use of Cloud technologies is having a measurable...

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