Added DNP3 Protocol

docs/protocols/dnp3.md

@@ -0,0 +1,20 @@
+# DNP3
+
+### Discovery 
+
+***DNP3 Clients***
+
+ - [DNP3 Client Master Simulator](https://sourceforge.net/projects/dnp3-client-master-simulator/)
+ -  [DNP3 Simulator](https://github.com/dnp3/dnp3-simulator)
+ 
+**DNP3 Nmap Script**
+
+Source: [dnp3-enumerate.nse](https://github.com/Z-0ne/ICS-Discovery-Tools/blob/master/dnp3-enumerate.nse)
+
+```bash
+nmap -sT --script dnp3-enumerate.nse -p 20000 <target_ip>
+```
+
+### Traffic Generation 
+
+ - [DNP3 Crafter](https://github.com/hpcn-uam/DNP3Crafter)