Reviewed-by: Peter Müller <peter.mueller(a)ipfire.org>

> This should avoid confusion when we add more marks
> 
> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org>
> ---
>  src/initscripts/system/suricata | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/src/initscripts/system/suricata b/src/initscripts/system/suricata
> index e327225d7..111bd9df3 100644
> --- a/src/initscripts/system/suricata
> +++ b/src/initscripts/system/suricata
> @@ -35,8 +35,8 @@ network_zones=( red green blue orange ovpn )
>  enabled_ips_zones=()
>  
>  # Mark and Mask options.
> -MARK="0x80000000"
> -MASK="0x80000000"
> +REPEAT_MARK="0x80000000"
> +REPEAT_MASK="0x80000000"
>  
>  # PID file of suricata.
>  PID_FILE="/var/run/suricata.pid"
> @@ -137,19 +137,19 @@ function generate_fw_rules {
>  		# Loop through the array and create firewall rules.
>  		for enabled_ips_zone in "${enabled_ips_zones[@]}"; do
>  			# Create rules queue input and output related traffic and pass it to the IPS.
> -			iptables -w -I "$IPS_INPUT_CHAIN" -i "$enabled_ips_zone" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
> -			iptables -w -I "$IPS_OUTPUT_CHAIN" -o "$enabled_ips_zone" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
> +			iptables -w -I "$IPS_INPUT_CHAIN" -i "$enabled_ips_zone" -m mark ! --mark "${REPEAT_MARK}/${REPEAT_MASK}" -j NFQUEUE $NFQ_OPTIONS
> +			iptables -w -I "$IPS_OUTPUT_CHAIN" -o "$enabled_ips_zone" -m mark ! --mark "${REPEAT_MARK}/${REPEAT_MASK}" -j NFQUEUE $NFQ_OPTIONS
>  
>  			# Create rules which are required to handle forwarded traffic.
>  			for enabled_ips_zone_forward in "${enabled_ips_zones[@]}"; do
> -				iptables -w -I "$IPS_FORWARD_CHAIN" -i "$enabled_ips_zone" -o "$enabled_ips_zone_forward" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
> +				iptables -w -I "$IPS_FORWARD_CHAIN" -i "$enabled_ips_zone" -o "$enabled_ips_zone_forward" -m mark ! --mark "${REPEAT_MARK}/${REPEAT_MASK}" -j NFQUEUE $NFQ_OPTIONS
>  			done
>  		done
>  
>  		# Clear repeat bit, so that it does not confuse IPsec or QoS
> -		iptables -w -A "${IPS_INPUT_CHAIN}" -j MARK --set-xmark "0x0/${MASK}"
> -		iptables -w -A "${IPS_FORWARD_CHAIN}" -j MARK --set-xmark "0x0/${MASK}"
> -		iptables -w -A "${IPS_OUTPUT_CHAIN}" -j MARK --set-xmark "0x0/${MASK}"
> +		iptables -w -A "${IPS_INPUT_CHAIN}" -j MARK --set-xmark "0x0/${REPEAT_MASK}"
> +		iptables -w -A "${IPS_FORWARD_CHAIN}" -j MARK --set-xmark "0x0/${REPEAT_MASK}"
> +		iptables -w -A "${IPS_OUTPUT_CHAIN}" -j MARK --set-xmark "0x0/${REPEAT_MASK}"
>  	fi
>  }
>  
>