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Implementing Cisco Networking Solutions by Harpreet Singh

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Internet edge

The internet is probably the biggest network that one can imagine today. It shouldn't be a surprise then that most IT networks are connected to the internet. There are exceptions to this in case of military networks, and networks that are totally isolated, but this is true in general for organizational IT networks. Even if organizations do not allow internet browsing, connectivity to the internet is required for connectivity of the mail servers.

We are living in an age where the internet is full of security threats to the IT infrastructure. These threats range from infecting machines with viruses and worms to more sophisticated attacks such as ransomware attacks to extort money from organizations. Hence, it is critical that ...

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