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Fiber Factoids, Part 1 – A primer on common fiber optic cable types

If you’ve been in the IT industry for any amount of time you are likely to have ran across fiber optic patch cables in use in various different installations. Typically, you will most often see fiber optic cables used for an uplink to an internet service provider, in between network devices between buildings in a … Continue reading Fiber Factoids, Part 1 – A primer on common fiber optic cable types

FIREPOWER DNS Sinkhole

Many admins inadvertently design a sinkhole by null routing unused ranges within their core in order to limit unnecessary traffic. Some may even advertise these ranges from a Linux server running zebra or quagga for advanced alerting while monitoring for the propagation of worms or enumeration scans. In this post, we will discuss a similar … Continue reading FIREPOWER DNS Sinkhole

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