Update iptables.rst

source/getting_started/iptables.rst

@@ -14,15 +14,15 @@ Basic Rules
 | ``iptables -A INPUT -p tcp --dport 5080 -j ACCEPT``
 | ``iptables -A INPUT -p udp --dport 5080 -j ACCEPT``
 | ``iptables -A INPUT -p udp --dport 16384:32768 -j ACCEPT``
-| ``iptables -A INPUT -p udp --dport 1194 -j ACCEPT``
 | ``iptables -P INPUT DROP``
 | ``iptables -P FORWARD DROP``
 | ``iptables -P OUTPUT ACCEPT``
 
-ICMP (optional)
+Optional Rules
 ===============
 
-`` iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT``
+| OPENVPN: ``iptables -A INPUT -p udp --dport 1194 -j ACCEPT`` 
+| ICMP: `` iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT``
 
 Friendly Scanner
 ================
@@ -34,6 +34,14 @@ Rules to block not so friendly scanner
 | ``iptables -I INPUT -j DROP -p udp --dport 5060 -m string --string "friendly-scanner" --algo bm``
 | ``iptables -I INPUT -j DROP -p udp --dport 5080 -m string --string "friendly-scanner" --algo bm``
 
+| *Optional*
+
+| ``iptables -I INPUT -j DROP -p tcp --dport 5060 -m string--string "VaxSIPUserAgent" --algo bm``
+| ``iptables -I INPUT -j DROP -p tcp --dport 5060 -m string --string "VaxIPUserAgent" --algo bm``
+| ``iptables -I INPUT -j DROP -p tcp --dport 5080 -m string --string "VaxSIPUserAgent" --algo bm``
+| ``iptables -I INPUT -j DROP -p tcp --dport 5080 -m string --string "VaxIPUserAgent" --algo bm``
+
+
 Show iptable rules
 ==================