Buck-Security is a security scanner for Debian and Ubuntu Linux. It helps you to harden your system by running some important security checks. For example, it finds world-writable files and directories, setuid and setgid programs, superuser accounts, and installed attack tool packages.
It also checks your umask and checks if the sticky bit is set for /tmp, among other checks.It was designed for Debian and Ubuntu servers, but can be useful for any Linux system.
By now the following tests are implemented:
Searching for worldwriteable files
Searching for worldwriteable directories
Searching for programs where the setuid is set
Searching for programs where the setgid is set
Checking your umask
Checking if the sticky-bit is set for /tmp
Searching for superusers
Checking firewall policies
Checking if sshd is secured
Creating and checking checksums of system programs
Searching for installed attack tools packages
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