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suricata: Always append rules instead of inserting them

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This allows us to add rules in a consistent order like they are in the
script.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Tested-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
This commit is contained in:
Michael Tremer
2021-10-18 10:10:18 +00:00
committed by Arne Fitzenreiter
parent 9deccd1cba
commit 855475580b
1 changed files with 3 additions and 3 deletions
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6
src/initscripts/system/suricata
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@@ -139,12 +139,12 @@ 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 "$enabled_ips_zone" -m mark ! --mark "${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 $NFQ_OPTIONS
iptables -w -A "$IPS_INPUT_CHAIN" -i "$enabled_ips_zone" -m mark ! --mark "${REPEAT_MARK}/${REPEAT_MASK}" -j NFQUEUE $NFQ_OPTIONS
iptables -w -A "$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 "$enabled_ips_zone_forward" -m mark ! --mark "${REPEAT_MARK}/${REPEAT_MASK}" -j NFQUEUE $NFQ_OPTIONS
iptables -w -A "$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