A few years ago, in the not too distant past (mid-1990s), I went on
digital switch training that was certified by Bell Labs. A digital
switch is an ISDN based switch that aggregates and distributes basic and
primary rate telecommunication interfaces. It was the replacement for
analogue and was in demand for video conferencing equipment.
Firewalls are becoming increasingly important in today’s world. Hackers and automated scripts are constantly trying to invade your system and use it for Bitcoin mining, botnets or other things. To prevent these attacks, you can use a firewall on your system. IPTables is the strongest firewall in Linux because it can filter packets in the kernel before they reach the application. Using IPTables is not very easy for Linux beginners. We have created easywall - the simple IPTables web interface . The focus of the software is on easy installation and use. Access this neat software over on github: easywall
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