For providers

Introduction In some cases, administrators may want to configure Kea to use the "Shared Lease Database" High Availability method. This method has certain advantages when compared to the HA Hook. The advantages and disadvantages of each method are covered in the Kea HA Strategies Comparison document. In this document, the focus will be on configuring the Shared Lease Database method in Kea. Both DHCPv4 and DHCPv6 Please note that the Shared Lease Database is relevant to b ...

Now it's time to build systems that attackers can't reroute with a phone call.

Cisco Catalyst 8300 earns NetSecOPEN certification for exceptional real-world NGFW and SD-WAN performance under modern enterprise conditions.

Introduction Testing DNS servers, particularly Recursive Servers (Resolvers) involves many variables which need to be taken into account. The best that you can do is to approximate the scenario in which a real production server would find itself. The results obtained from testing different scenarios or with different data might not apply to behaviour and throughput of a production server with different configuration, environment, or query patterns. The test results might also change over time ...

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Stories about Chinese APTs attacking the US and Canada are plentiful. In a turnabout, researchers found what they believe is a North American entity attacking a Chinese entity, thanks to a mysterious issue in Microsoft Exchange.

[This is a Guest Diary by Sihui Neo, an ISC intern as part of the SANS.edu BACS program]

For browsers, exploitation is out — and getting users to compromise their own systems is in. Improved browser security has forced attackers to adapt their tactics, and they've accepted the challenge.