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A Linux kernelmodule to grab keys pressed in the keyboard, or a keylogger.
keysniffer was initially written with the US keyboard (and conforming laptops) in mind. By default it shows human-readable strings for the keys pressed. However, as keyboards evolved, more keys got added. So the module now supports a module parameter codes which shows the keycode shift_mask pair in hex (codes=1) or decimal (codes=2).
nf_quota is an ip-based traffic accounting project. IPs can be added to users. It provides a kernelmodule that hooks onto netfilter and counts every packet passing a specified interface. If the quota for a ip/user is exceeded, the packet is dropped.
Status Module is a daemon which forwards vital system information (memory usage, active processes, etc.) into the kernel logs by using a kernelmodule. This is very useful for logging or security purposes.
A linux kernelmodule and supporting user space environment which allow interception and modifying system calls that match user defined criteria. Think of it as strace on steroids.
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