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#!/bin/bash
#
# Security level implementation...
# Writen by Vandoorselaere Yoann <yoann@mandrakesoft.com>
#
if [ -f /etc/security/msec/init-sh/lib.sh ]; then
. /etc/security/msec/init-sh/lib.sh
fi
chattr +a /var/log/*
# All events logged on tty12
AddRules "*.* /dev/tty12" /etc/syslog.conf
# Prevent all kind of connection
AddRules "ALL:ALL:DENY" /etc/hosts.deny
# No login as root
AddRules "" /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
# Wanna a password ?
LiloUpdate;
/sbin/lilo
# Disable all server :
AddRules "SECURE_LEVEL=5" /etc/profile
IFS="
"
export SECURE_LEVEL=5
for service in `chkconfig --list | awk '{print $1}'`; do
chkconfig --del "${service}"
chkconfig --msec --add "${service}"
done
# Permissions
AddRules "umask 077" /etc/profile
# Path
AddRules "PATH=\$PATH:/usr/X11R6/bin" /etc/profile
echo
echo "You are now running your system in security level 5,"
echo "All services are disabled : try the chkconfig to enable one..."
echo "If you're on a senssible machine, ( which is probably the case )"
echo "you should compile the server from the sources".
echo
echo "Good luck. :-)"
echo
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