The purpose of /etc/networks

The purpose of /etc/networks Also wondering what particular files do on Linux? One of those files we recently rediscovered during auditing is the /etc/networks file. For some reason it was always there, yet we never change it. When looking at the man page of networks(5) we learn its purpose (almost instantly): It translates between IP ranges and network names It is used for tools like netstat and route It only works on class A, B, or C networks It does […]

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Securing mount points on Linux

Securing mount points Mount points are defined in /etc/fstab. They link a particular disk pointer to the related device (disk, partition or virtual device). By default the mount options are not focused on security, which gives us a room to further improve hardening of the system. This hardening is especially important considering our most precious data is stored here. Via mount options we can apply additional security controls to protect our data. Mount points Let’s have a look at our […]

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