Chapter 27. Extranet and VPN Threats
An extranet is a network used to share information with customers, partners, suppliers, and vendors. Creating a solid extranet or virtual private network (VPN) solution can be very tricky. Mistakes made in these areas can give attackers a high bandwidth connection directly into your internal network. Although an extranet isn’t always put to the same uses as public Internet servers, many of the same techniques for protecting Internet servers are used to secure extranets.
Many extranets do leverage VPN technologies both to restrict access and to ensure that all traffic between your clients and your network is tamper-resistant and private. Before Internet access was common in most companies, links between networks ...
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