Deploy an intrusion detection system (NIDS).
your perimeter network is the network you operate such as you have the internet and your network your network is your perimeter
an unidentified network is one where the SSID cannot be detected
an unidentified network is one where the SSID cannot be detected
Router
To identify potential holes in network firewalls
The Secure Socket Layer (SSL) is a security protocol deployed on networks. The network can be an internal network or the internet over which two computers are communicating.
Web server Most organizations place their web servers in a perimeter network. A perimeter network is a special area located between the internal network's line of defense and the internet. This area allows you to place devices that are to be accessible to the public, while at the same time, protecting the private network from the public. Devices that are normally located in such networks include public web servers, e-mail servers, and FTP servers
when ethernet cable is plugged in it is detected by ethernet card. if the cable is connected to network it detects that network and dispalys " you are connected to network"
Log all activity on the network.
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proxy firewall
IPS