69 lines
1.9 KiB
Bash
Executable File
69 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian audit 9 Hardening
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#
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#
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# 7.7.4 Ensure default deny firewall policy (Scored)
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# Include ipv4 and ipv6
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# Add this feature:Authors : Samson wen, Samson <sccxboy@gmail.com>
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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HARDENING_LEVEL=2
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IPS4=$(which iptables)
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IPS6=$(which ip6tables)
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# This function will be called if the script status is on enabled / audit mode
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audit () {
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if [ $(${IPS4} -S | egrep "\-P") -eq 0 ]; then
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crit "Ip4tables: Firewall policy is not default deny!"
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if [ $(${IPS6} -S | egrep "\-P") -eq 0 ]; then
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crit "Ip6tables: Firewall policy is not default deny!"
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FNRET=1
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else
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ok "Ip6tables has set default deny for firewall policy!"
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FNRET=0
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fi
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else
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ok "Ip4tables has set default deny for firewall policy!"
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FNRET=0
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply () {
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if [ $FNRET = 0 ]; then
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ok "Iptables/Ip6tables has set default deny for firewall policy!"
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else
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warn "Iptables/Ip6tables is not set default deny for firewall policy! need the administrator to manually add it. Howto set: iptables/ip6tables -P INPUT DROP; iptables/ip6tables -P OUTPUT DROP; iptables/ip6tables -P FORWARD DROP."
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
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. $CIS_ROOT_DIR/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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