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Fix patch

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MDMCK10 2024-03-30 12:56:27 -04:00
parent 609bd0d57e
commit 98bd0b6f63
1 changed files with 41 additions and 7 deletions
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48
nftables.patch
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@ -1,5 +1,5 @@
--- nftables.conf 2023-06-09 19:16:58.000000000 -0400 --- nftables.conf 2023-06-10 01:16:58.000000000 +0200
+++ nftables.conf.2 2024-02-12 12:35:17.175626420 -0500 +++ nftables.conf.2 2024-03-30 17:53:25.967805988 +0100
@@ -1,5 +1,6 @@ @@ -1,5 +1,6 @@
#!/usr/sbin/nft -f #!/usr/sbin/nft -f
flush ruleset flush ruleset
@ -19,12 +19,46 @@
chain forward { chain forward {
type filter hook forward priority filter; policy drop; type filter hook forward priority filter; policy drop;
@@ -34,6 +40,8 @@ @@ -32,12 +38,16 @@
# Accept LAN<->WAN traffic
meta iifname $LAN meta oifname $WAN accept
meta iifname $WAN meta oifname $LAN accept meta iifname $WAN meta oifname $LAN accept
udp dport 80 log prefix "Dropped (UDP/80): " drop - udp dport 80 log prefix "Dropped (UDP/80): " drop
udp dport 443 log prefix "Dropped (UDP/443): " drop - udp dport 443 log prefix "Dropped (UDP/443): " drop
+ meta iifname $LAN ip daddr @blocklist log prefix "Dropped (BLOCKED IP): " drop
+ meta iifname $LAN ip saddr @blocklist log prefix "Dropped (BLOCKED IP): " drop
ct state related,established accept ct state related,established accept
log prefix "Packet discarded by policy: " log prefix "Packet discarded by policy: "
} }
chain noforward {
+ udp dport 80 log prefix "Dropped (UDP/80): " drop
+ udp dport 443 log prefix "Dropped (UDP/443): " drop
+ meta iifname $LAN ip daddr @blocklist log prefix "Dropped (BLOCKED IP): " drop
+ meta iifname $LAN ip saddr @blocklist log prefix "Dropped (BLOCKED IP): " drop
+
+
# Block all DNS resolvers beside the router
th dport 53 ip saddr $LANRANGE ip daddr != 192.168.1.1 log prefix "Dropped (DNS): " reject
# Block access to the SLiRP gateway
@@ -48,6 +58,13 @@
}
table inet nat {
+ set blocklist {
+ type ipv4_addr
+ flags interval
+ elements = { $blocklist }
+ }
+
+
chain postrouting {
type nat hook postrouting priority srcnat; policy accept;
meta iifname $LAN meta oifname $WAN ip saddr $LANRANGE snat ip to $SNAT
@@ -55,7 +72,7 @@
chain prerouting {
type nat hook prerouting priority dstnat; policy accept;
# Uncomment for E2Guardian
- # iifname $LAN ip daddr != 192.168.1.0/24 tcp dport 80 redirect to :8080
- # iifname $LAN ip daddr != 192.168.1.0/24 tcp dport 443 redirect to :8443
+ iifname $LAN ip daddr != $LANRANGE ip daddr != @blocklist tcp dport 80 redirect to :8080
+ iifname $LAN ip daddr != $LANRANGE ip daddr != @blocklist tcp dport 443 redirect to :8443
}
}