diff --git a/OpenVPN-server:-Firewall-configuration-(using-iptables).md b/OpenVPN-server:-Firewall-configuration-(using-iptables).md
index 8cc2ff9..d49b11e 100644
--- a/OpenVPN-server:-Firewall-configuration-(using-iptables).md
+++ b/OpenVPN-server:-Firewall-configuration-(using-iptables).md
@@ -74,13 +74,14 @@ If your server is reachable via IPv6, you'll need to run the same commands but u
 ip6tables -A INPUT -i tun0 -p tcp --destination-port 53 -j ACCEPT
 ip6tables -A INPUT -i tun0 -p udp --destination-port 53 -j ACCEPT
 ip6tables -A INPUT -i tun0 -p tcp --destination-port 80 -j ACCEPT
-ip6tables -A INPUT -i tun0 -p udp --destination-port 80 -j ACCEPT
 ip6tables -A INPUT -p tcp --destination-port 22 -j ACCEPT
 ip6tables -A INPUT -p tcp --destination-port 1194 -j ACCEPT
 ip6tables -A INPUT -p udp --destination-port 1194 -j ACCEPT
 ip6tables -I INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
 ip6tables -I INPUT -i lo -j ACCEPT
-ip6tables -A INPUT -p tcp --dport 443 -j REJECT
+ip6tables -A INPUT -p udp --dport 80 -j REJECT -- reject-with icmp-port-unreachable
+ip6tables -A INPUT -p tcp --dport 443 -j REJECT --reject-with tcp-reset
+ip6tables -A INPUT -p udp --dport 443 -j REJECT -- reject-with icmp-port-unreachable
 ip6tables -P INPUT DROP
 ```
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