When clock struck twelve midnight on New Year’s Eve this year and we went into 2021, many of us thought… “that’s it, we have finally left behind us, the disastrous year of 2020 and we start the year 2021”, hoping that normality will return as soon as possible.
The movement of people in search of opportunities not available to them in their birthplaces has always been taking place.
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.
Due to the radical change in the way we work in IT caused by COVID-19, communications and IT professionals and administrators have been forced to implement or improve necessary mechanisms to ensure security in corporate environments while maintaining their availability for users working from home or anywhere.
Nowadays, it is quite common for systems to be made up of many subsystems. These include small programs that work together, full Operating Systems and proprietary applications.