LSAT – Linux Security Auditing Tool

Linux Security Auditing Tool (LSAT) is a post install security auditing tool. It is modular in design, so new features can be added quickly. It checks inetd entries and scans for unneeded RPM packages. It is being expanded to work with Linux distributions other than Red Hat, and checks for kernel versions.

It (for now) works under Linux (x86: Gentoo, RedHat, Debian, Mandrake; Sparc: SunOS (2.x), Redhat sparc, Mandrake Sparc; Apple OS X).

LSAT - Linux Security Auditing Tool

You can also check out tools like:

Lynis v1.6.0 Released For Download – Linux Security Auditing Tool
Tiger – Unix Security Audit & Intrusion Detection Tool
unix-privesc-check – Unix/Linux User Privilege Escalation Scanner


  • checkbp: Checks for boot loader password.
  • checkcfg: This module is performed last
  • checkdotfiles: Looks for .forward, .exrc, .rhosts and .netrc files on the system.
  • checkfiles: Checks that /tmp and /var/tmp have sitcky bit set, checks utmp, wtmp, motd, mtab for chmod 644.
  • checkftpusers: Checks that all accounts in /etc/passwd are in /etc/ftpusers.
  • checkhostsfiles: Reads /etc/hosts.allow and /etc/hosts.deny files
  • checkinetd: Checks either /etc/inetd.conf or /etc/xinetd.d/*
  • checkinittab: Checks to see if default runlevel is 5. If it is, give the user a warning.
  • checkipv4: Checks to see that common forwarding and ignoring are off/on in ipv4.
  • checklimits: Performs simple check of limits.conf file
  • checklogging: Performs a simple check to see if auth and authpriv logging facilities are on.
  • checkmd5: Performs md5sum on all regular files on the system and saves in lsatmd5.out
  • checknetforward: Checks that ipv4 forwarding is disabled under linux
  • checkopenfiles: Checks all open files on the system using lsof (if installed)
  • checkpasswd: Checks /etc/passwd for unneeded accounts.
  • checkpkgs: Checks list of packages (rpms, debs) installed on the system.
  • checksecuretty: Check to see if ttys other than tty[1-6] are in /etc/securetty
  • checkset: Checks system for all setuid/setgid files.
  • checkssh: Check some security features of ssh for instance: root logins, X11 forwarding and the like.
  • checkumask: Checks that the default umask on the system is sensible.
  • checkwrite: Checks system for world writable files.
  • checklistening: Checks for applications listening. This is an “extra” test


You can download LSAT here:

Or read more here.

Posted in: Linux Hacking, Security Software


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2 Responses to LSAT – Linux Security Auditing Tool

  1. fakeman December 1, 2015 at 2:37 am #

    why is the link to the website:
    “Or read more here.”
    sign as broken_link?

    • Darknet December 1, 2015 at 5:56 pm #

      Sourceforge was having some issues last night so it wasn’t always responding with a successful HTTP code, so the link was marked as broken. It should be ok now.