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-rw-r--r--package/firewall/files/lib/core_init.sh19
1 files changed, 18 insertions, 1 deletions
diff --git a/package/firewall/files/lib/core_init.sh b/package/firewall/files/lib/core_init.sh
index a549bd9a0..72cef2f8c 100644
--- a/package/firewall/files/lib/core_init.sh
+++ b/package/firewall/files/lib/core_init.sh
@@ -84,13 +84,16 @@ fw_load_defaults() {
[ $defaults_syn_flood == 1 ] && \
defaults_synflood_protect=1
+ [ "${defaults_synflood_rate%/*}" == "$defaults_synflood_rate" ] && \
+ defaults_synflood_rate="$defaults_synflood_rate/second"
+
[ $defaults_synflood_protect == 1 ] && {
echo "Loading synflood protection"
fw_callback pre synflood
fw add i f syn_flood
fw add i f syn_flood RETURN { \
-p tcp --syn \
- -m limit --limit "${defaults_synflood_rate}/second" --limit-burst "${defaults_synflood_burst}" \
+ -m limit --limit "${defaults_synflood_rate}" --limit-burst "${defaults_synflood_burst}" \
}
fw add i f syn_flood DROP
fw add i f INPUT syn_flood { -p tcp --syn }
@@ -142,6 +145,8 @@ fw_config_get_zone() {
boolean conntrack 0 \
boolean mtu_fix 0 \
boolean custom_chains "$FW_ADD_CUSTOM_CHAINS" \
+ boolean log 0 \
+ string log_limit 10 \
string family "" \
} || return
[ -n "$zone_name" ] || zone_name=$zone_NAME
@@ -204,6 +209,7 @@ fw_load_zone() {
fw add $mode n ${chain}_prerouting
fw add $mode r ${chain}_notrack
+
[ $zone_masq == 1 ] && \
fw add $mode n POSTROUTING ${chain}_nat $
@@ -224,6 +230,17 @@ fw_load_zone() {
fw add $mode n ${chain}_prerouting prerouting_${zone_name} ^
}
+ [ "$zone_log" == 1 ] && {
+ [ "${zone_log_limit%/*}" == "$zone_log_limit" ] && \
+ zone_log_limit="$zone_log_limit/minute"
+
+ local t
+ for t in REJECT DROP MSSFIX; do
+ fw add $mode f ${chain}_${t} LOG ^ \
+ { -m limit --limit $zone_log_limit --log-prefix "$t($zone_name): " }
+ done
+ }
+
fw_callback post zone
}