diff --git a/bin/hardening/9.2.10_pam_maxclassrepeat_cracklib.sh b/bin/hardening/9.2.10_pam_maxclassrepeat_cracklib.sh
index a167ce2..65c3ae5 100755
--- a/bin/hardening/9.2.10_pam_maxclassrepeat_cracklib.sh
+++ b/bin/hardening/9.2.10_pam_maxclassrepeat_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 7/8/9  Hardening
+# harbian audit 7/8/9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='maxclassrepeat'
 
 # condition 
 CONDT_VAL=4
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,32 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME le $CONDT_VAL
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +96,31 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
 # This function will check config parameters required
 check_config() {
     :
diff --git a/bin/hardening/9.2.3_pam_dcredit_cracklib.sh b/bin/hardening/9.2.3_pam_dcredit_cracklib.sh
index 896cf9a..1e7abdb 100755
--- a/bin/hardening/9.2.3_pam_dcredit_cracklib.sh
+++ b/bin/hardening/9.2.3_pam_dcredit_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 9  Hardening
+# harbian audit 9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='dcredit'
 
 # condition 
 CONDT_VAL=-1
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,32 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME le $CONDT_VAL
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +96,31 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
 # This function will check config parameters required
 check_config() {
     :
diff --git a/bin/hardening/9.2.4_pam_ucredit_cracklib.sh b/bin/hardening/9.2.4_pam_ucredit_cracklib.sh
index 7b451b8..59eed23 100755
--- a/bin/hardening/9.2.4_pam_ucredit_cracklib.sh
+++ b/bin/hardening/9.2.4_pam_ucredit_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 9  Hardening
+# harbian audit 9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='ucredit'
 
 # condition 
 CONDT_VAL=-1
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,33 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME le $CONDT_VAL
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +97,31 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
 # This function will check config parameters required
 check_config() {
     :
diff --git a/bin/hardening/9.2.5_pam_ocredit_cracklib.sh b/bin/hardening/9.2.5_pam_ocredit_cracklib.sh
index 56bbc6b..1f9124d 100755
--- a/bin/hardening/9.2.5_pam_ocredit_cracklib.sh
+++ b/bin/hardening/9.2.5_pam_ocredit_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 9  Hardening
+# harbian audit 9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='ocredit'
 
 # condition 
 CONDT_VAL=-1
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,32 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME le $CONDT_VAL
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +96,32 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
+
 # This function will check config parameters required
 check_config() {
     :
diff --git a/bin/hardening/9.2.6_pam_lcredit_cracklib.sh b/bin/hardening/9.2.6_pam_lcredit_cracklib.sh
index fb56c7b..91ccf42 100755
--- a/bin/hardening/9.2.6_pam_lcredit_cracklib.sh
+++ b/bin/hardening/9.2.6_pam_lcredit_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 9  Hardening
+# harbian audit 9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='lcredit'
 
 # condition 
 CONDT_VAL=-1
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,32 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME le $CONDT_VAL
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +96,31 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
 # This function will check config parameters required
 check_config() {
     :
diff --git a/bin/hardening/9.2.7_pam_difok_cracklib.sh b/bin/hardening/9.2.7_pam_difok_cracklib.sh
index ad95398..8f82b18 100755
--- a/bin/hardening/9.2.7_pam_difok_cracklib.sh
+++ b/bin/hardening/9.2.7_pam_difok_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 7/8/9  Hardening
+# harbian audit 7/8/9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='difok'
 
 # condition 
 CONDT_VAL=8
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,32 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME ge $CONDT_VAL  
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +96,31 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
 # This function will check config parameters required
 check_config() {
     :
diff --git a/bin/hardening/9.2.8_pam_minclass_cracklib.sh b/bin/hardening/9.2.8_pam_minclass_cracklib.sh
index 1ec456a..7302373 100755
--- a/bin/hardening/9.2.8_pam_minclass_cracklib.sh
+++ b/bin/hardening/9.2.8_pam_minclass_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 7/8/9  Hardening
+# harbian audit 7/8/9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='minclass'
 
 # condition 
 CONDT_VAL=4
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,32 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME ge $CONDT_VAL
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +96,31 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
 # This function will check config parameters required
 check_config() {
     :
diff --git a/bin/hardening/9.2.9_pam_maxrepeat_cracklib.sh b/bin/hardening/9.2.9_pam_maxrepeat_cracklib.sh
index 46b0031..9fba742 100755
--- a/bin/hardening/9.2.9_pam_maxrepeat_cracklib.sh
+++ b/bin/hardening/9.2.9_pam_maxrepeat_cracklib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# harbian audit 7/8/9  Hardening
+# harbian audit 7/8/9/10 or CentOS Hardening
 #
 
 #
@@ -19,13 +19,15 @@ PAMLIBNAME='pam_cracklib.so'
 PATTERN='^password.*pam_cracklib.so'
 FILE='/etc/pam.d/common-password'
 
+# Redhat/CentOS default use pam_pwquality
+FILE_REDHAT='/etc/security/pwquality.conf'
+
 OPTIONNAME='maxrepeat'
 
 # condition 
 CONDT_VAL=3
 
-# This function will be called if the script status is on enabled / audit mode
-audit () {
+audit_debian () {
     is_pkg_installed $PACKAGE
     if [ $FNRET != 0 ]; then
         crit "$PACKAGE is not installed!"
@@ -49,8 +51,32 @@ audit () {
     fi
 }
 
-# This function will be called if the script status is on enabled mode
-apply () {
+audit_redhat () {
+	check_param_pair_by_value $FILE_REDHAT $OPTIONNAME le $CONDT_VAL
+	if [ $FNRET = 0 ]; then
+		ok "Option $OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		crit "Option $OPTIONNAME set condition is not set $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 2 ]; then
+		crit "Option $OPTIONNAME is not conf in $FILE_REDHAT"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		audit_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		audit_redhat
+	else
+		crit "Current OS is not support!"
+		FNRET=44
+	fi
+}
+
+apply_debian () {
     if [ $FNRET = 0 ]; then
         ok "$PACKAGE is installed"
     elif [ $FNRET = 1 ]; then
@@ -70,6 +96,31 @@ apply () {
     fi 
 }
 
+apply_redhat () {
+	if [ $FNRET = 0 ]; then
+		ok "$OPTIONNAME set condition is $CONDT_VAL in $FILE_REDHAT"
+	elif [ $FNRET = 1 ]; then
+		warn "Set option $OPTIONNAME to $CONDT_VAL in $FILE_REDHAT"
+		replace_in_file $FILE_REDHAT "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 2 ]; then
+		warn "$OPTIONNAME is not conf, add to $FILE_REDHAT"
+		add_end_of_file $FILE_REDHAT "$OPTIONNAME = $CONDT_VAL"
+	elif [ $FNRET = 3 ]; then
+		crit "Config file $FILE_REDHAT is not exist!"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $OS_RELEASE -eq 1 ]; then
+		apply_debian
+	elif [ $OS_RELEASE -eq 2 ]; then
+		apply_redhat
+	else
+		crit "Current OS is not support!"
+	fi
+}
+
 # This function will check config parameters required
 check_config() {
     :