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fix: add 10s wait timeout on iptables command (#151)

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When the tested server has its iptables heavily manipulated (e.g Kubernetes)
The lock aquirement can sometimes fail, hence generating false positives
The command will retry 10 times with a 1 second interval
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GoldenKiwi 2022-03-23 16:56:38 +01:00 committed by GitHub
parent d1bd1eb2e7
commit 5c072668d5
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1 changed files with 2 additions and 1 deletions
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3
bin/hardening/3.5.4.1.1_net_fw_default_policy_drop.sh
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@ -21,6 +21,7 @@ PACKAGE="iptables"
FW_CHAINS="INPUT FORWARD"
FW_POLICY="DROP"
FW_CMD="iptables"
FW_TIMEOUT="10"
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -28,7 +29,7 @@ audit() {
if [ "$FNRET" != 0 ]; then
crit "$PACKAGE is not installed!"
else
ipt=$($SUDO_CMD "$FW_CMD" -nL 2>/dev/null || true)
ipt=$($SUDO_CMD "$FW_CMD" -w "$FW_TIMEOUT" -nL 2>/dev/null || true)
if [[ -z "$ipt" ]]; then
crit "Empty return from $FW_CMD command. Aborting..."
return