Tagged: ip

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What Is TCP/IP Model?

Internet started long days ago. But in the first years it was not popular as today. From technical perspective there are some difficulties which prevents the expansion of the internet. There was a lot...

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Linux hosts.allow and hosts.deny To Control Network Access

Linux have different type of perimeters to restrict and control network access. hosts.allow and hosts.deny files are one way of those. The TCP wrapper, ssh, ftp applications generally use rules provided in this configuration files. We...

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