12.2 – Common Network Security

In modern network security, having only the firewall will not protect your network completely. An opt-layered security model is required, so that security can be provided at a different level. Indeed, a different security device  like IDS/IPS network may be required to guard the network. IDS/IPS offers deep packet assessment for navigating network traffic. Largely, there is always the chance a spyware is embedded in your traffic. Implementing only firewall will not be an effective option since it cannot block a spyware like that. Same goes with identifying contents like hacking scripts, Trojans and so on. On another hand, firewall…