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-rw-r--r--data/vyos-firewall-init.conf45
1 files changed, 45 insertions, 0 deletions
diff --git a/data/vyos-firewall-init.conf b/data/vyos-firewall-init.conf
index 41e7627f5..7e258e6f1 100644
--- a/data/vyos-firewall-init.conf
+++ b/data/vyos-firewall-init.conf
@@ -19,6 +19,15 @@ table raw {
type filter hook forward priority -300; policy accept;
}
+ chain vyos_global_rpfilter {
+ return
+ }
+
+ chain vyos_rpfilter {
+ type filter hook prerouting priority -300; policy accept;
+ counter jump vyos_global_rpfilter
+ }
+
chain PREROUTING {
type filter hook prerouting priority -300; policy accept;
counter jump VYOS_CT_IGNORE
@@ -82,12 +91,19 @@ table ip6 raw {
type filter hook forward priority -300; policy accept;
}
+ chain vyos_global_rpfilter {
+ return
+ }
+
chain vyos_rpfilter {
type filter hook prerouting priority -300; policy accept;
+ counter jump vyos_global_rpfilter
}
chain PREROUTING {
type filter hook prerouting priority -300; policy accept;
+ counter jump VYOS_CT_IGNORE
+ counter jump VYOS_CT_TIMEOUT
counter jump VYOS_CT_PREROUTING_HOOK
counter jump FW_CONNTRACK
notrack
@@ -95,11 +111,40 @@ table ip6 raw {
chain OUTPUT {
type filter hook output priority -300; policy accept;
+ counter jump VYOS_CT_IGNORE
+ counter jump VYOS_CT_TIMEOUT
counter jump VYOS_CT_OUTPUT_HOOK
counter jump FW_CONNTRACK
notrack
}
+ ct helper rpc_tcp {
+ type "rpc" protocol tcp;
+ }
+
+ ct helper rpc_udp {
+ type "rpc" protocol udp;
+ }
+
+ ct helper tns_tcp {
+ type "tns" protocol tcp;
+ }
+
+ chain VYOS_CT_HELPER {
+ ct helper set "rpc_tcp" tcp dport {111} return
+ ct helper set "rpc_udp" udp dport {111} return
+ ct helper set "tns_tcp" tcp dport {1521,1525,1536} return
+ return
+ }
+
+ chain VYOS_CT_IGNORE {
+ return
+ }
+
+ chain VYOS_CT_TIMEOUT {
+ return
+ }
+
chain VYOS_CT_PREROUTING_HOOK {
return
}