diff --git a/iptables/rules4.conf b/iptables/rules4.conf
index 641dc33..3e19001 100644
--- a/iptables/rules4.conf
+++ b/iptables/rules4.conf
@@ -16,10 +16,12 @@
 -A OUTPUT -o wg0 -j ACCEPT
 -A DOCKER-USER -i ens3 -j FILTERS
 -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
--A FORWARD -m conntrack --ctstate INVALD -j DROP
--A FORARD -i wg0 -o wg0 -m conntrack --ctstate NEW -j ACCEPT
+-A FORWARD -m conntrack --ctstate INVALID -j DROP
+-A FORWARD -i wg0 -m conntrack --ctstate NEW -j ACCEPT
+-A FORWARD -i wg0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
 -A FORWARD -j REJECT
 -A FILTERS -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+-A FILTERS -m conntrack --ctstate INVALID -j DROP
 -A FILTERS -m conntrack --ctstate NEW -p tcp --syn --dport 25 -j ACCEPT
 -A FILTERS -m conntrack --ctstate NEW -p tcp --syn --dport 80 -j ACCEPT
 -A FILTERS -m conntrack --ctstate NEW -p tcp --syn --dport 110 -j ACCEPT
@@ -30,9 +32,7 @@
 -A FILTERS -m conntrack --ctstate NEW -p tcp --syn --dport 993 -j ACCEPT
 -A FILTERS -m conntrack --ctstate NEW -p tcp --syn --dport 995 -j ACCEPT
 -A FILTERS -m conntrack --ctstate NEW -p tcp --syn --dport 4190 -j ACCEPT
--A FILTERS -m conntrack --ctstate NEW -p tcp --syn --dport 8448 -j ACCEPT
--A FILTERS -m conntrack --ctstate NEW -p udp --syn --dport 51820 -j ACCEPT
--A FILTERS -m conntrack --ctstate INVALID -j DROP
+-A FILTERS -m conntrack --ctstate NEW -p udp --dport 51820 -j ACCEPT
 -A FILTERS -j REJECT
 COMMIT
 
@@ -41,5 +41,5 @@ COMMIT
 :INPUT ACCEPT [0:0]
 :OUTPUT ACCEPT [0:0]
 :POSTROUTING ACCEPT [0:0]
--A POSTROUTING -o ens3 -j MASQUERADE
+-A POSTROUTING -o ens3 -j SNAT --to-source ${PUBLIC_IP}
 COMMIT