#!/bin/bash # # Security level implementation... # Writen by Vandoorselaere Yoann # if [ -f /etc/security/msec/init-sh/lib.sh ]; then . /etc/security/msec/init-sh/lib.sh else exit 1 fi # Log in append only mode chattr +a /var/log/* # All events logged on tty12 AddRules "*.* /dev/tty12" /etc/syslog.conf # Prevent all kind of connection except from localhost AddRules "ALL:ALL EXCEPT localhost:DENY" /etc/hosts.deny # Login as root on the console allowed : AddRules "tty1" /etc/securetty AddRules "tty2" /etc/securetty AddRules "tty3" /etc/securetty AddRules "tty4" /etc/securetty AddRules "tty5" /etc/securetty AddRules "tty6" /etc/securetty # Suid check AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf AddRules "CHECK_SUID_GROUP=yes" /etc/security/msec/security.conf AddRules "CHECK_WRITABLE=yes" /etc/security/msec/security.conf AddRules "CHECK_UNOWNED=yes" /etc/security/msec/security.conf AddRules "CHECK_PROMISC=yes" /etc/security/msec/security.conf AddRules "TTY_WARN=yes" /etc/security/msec/security.conf AddRules "SYSLOG_WARN=yes" /etc/security/msec/security.conf # Check every 1 minutes for promisc problem AddRules "*/1 * * * * root nice --adjustment=+19 /etc/security/msec/cron-sh/promisc_check.sh" /etc/crontab AddRules "0 0-23 * * * root nice --adjustment=+19 /etc/security/msec/cron-sh/file_check.sh" /etc/crontab # Do you want a password ? LiloUpdate; /sbin/lilo # Permissions AddRules "umask 022" /etc/profile # Path if [ ${HAVE_X}==1 ]; then AddRules "PATH=$PATH:/usr/X11R6/bin" /etc/profile fi