#!/bin/bash # # Security level implementation... # Writen by Vandoorselaere Yoann # if [[ -f /usr/share/msec/lib.sh ]]; then . /usr/share/msec/lib.sh else echo "Can't find /usr/share/msec/lib.sh, exiting." exit 1 fi # login as root on console granted... echo "Login as root is granted :" AddRules "tty1" /etc/securetty quiet AddRules "tty2" /etc/securetty quiet AddRules "tty3" /etc/securetty quiet AddRules "tty4" /etc/securetty quiet AddRules "tty5" /etc/securetty quiet AddRules "tty6" /etc/securetty AddRules "vc/1" /etc/securetty quiet AddRules "vc/2" /etc/securetty quiet AddRules "vc/3" /etc/securetty quiet AddRules "vc/4" /etc/securetty quiet AddRules "vc/5" /etc/securetty quiet AddRules "vc/6" /etc/securetty # Security check echo "Updating file check variable : " echo -e "\t- Check security : yes." AddRules "CHECK_SECURITY=yes" /etc/security/msec/security.conf quiet echo -e "\t- Check important permissions : no." AddRules "CHECK_PERMS=no" /etc/security/msec/security.conf quiet echo -e "\t- Check suid root file : yes." AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf quiet echo -e "\t- Check suid root file integrity (backdoor check) : yes." AddRules "CHECK_SUID_MD5=yes" /etc/security/msec/security.conf quiet echo -e "\t- Check suid group file : yes." AddRules "CHECK_SUID_GROUP=no" /etc/security/msec/security.conf quiet echo -e "\t- Check world writable file : yes." AddRules "CHECK_WRITEABLE=yes" /etc/security/msec/security.conf quiet echo -e "\t- Check unowned file : no." AddRules "CHECK_UNOWNED=no" /etc/security/msec/security.conf quiet echo -e "\t- Check promiscuous mode : no." AddRules "CHECK_PROMISC=no" /etc/security/msec/security.conf quiet echo -e "\t- Check listening port : no." AddRules "CHECK_OPEN_PORT=no" /etc/security/msec/security.conf quiet echo -e "\t- Check passwd file integrity : no." AddRules "CHECK_PASSWD=no" /etc/security/msec/security.conf quiet echo -e "\t- Check shadow file integrity : no." AddRules "CHECK_SHADOW=no" /etc/security/msec/security.conf quiet echo -e "\t- Security warning on tty : no." AddRules "TTY_WARN=no" /etc/security/msec/security.conf quiet echo -e "\t- Security warning by mail : no." AddRules "MAIL_WARN=no" /etc/security/msec/security.conf quiet echo -e "\t- Security warning in syslog : yes." AddRules "SYSLOG_WARN=yes" /etc/security/msec/security.conf # end security check # /etc/profile export SECURE_LEVEL=2 echo "Setting secure level variable to 2 :" AddRules "SECURE_LEVEL=2" /etc/profile.d/msec echo "Setting umask to 022 (u=rw,g=r,o=r) :" AddRules "umask 022" /etc/profile AddRules "umask 022" /etc/zprofile echo "Adding \"normal\" PATH variable :" AddRules "PATH=\$PATH:/usr/X11R6/bin:/usr/games" /etc/profile quiet AddRules "export PATH" /etc/profile AddRules "PATH=\$PATH:/usr/X11R6/bin:/usr/games" /etc/zprofile quiet AddRules "export PATH" /etc/zprofile # Xserver echo "Allowing users to connect X server from localhost :" AddBegRules "/usr/X11R6/bin/xhost + localhost" /etc/X11/xinit.d/msec # group echo "Adding system users to specifics groups :" /usr/share/msec/grpuser.sh --refresh grpconv echo -e "done.\n" AllowAutologin # Do not boot on a shell AllowReboot AllowUserList