CCNP Security Question of the Week: Disable DHCP Server Service
A network printer has a DHCP server service that cannot be disabled. How can a layer 2 switch be configured to block the printer from causing any issues on the network?
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Tips and Tricks for Expediting Service Resolution in Your POWER Server Environment: Part 1
Over the course of the past 28 years or so, I’ve been called upon to assist clients with resolving existing service-related POWER Systems issues, both hardware and software (configuration / application performance) related. Expediting the resolution of service-related issues is key to maintaining a successful environment. Whether you’re a newly initiated or seasoned system administrator, there are three critical elements involved in expediting service resolution: documentation, preparation and conversation!
Read moreWhat Cooking Can Teach You About Designing Templates
When it comes to cooking, your approach to it determines your experience of it.
It is exciting and daunting. From deciding whether you want an appetizer or an entrée to the prep-time of cooking to plating a dish, cooking is an adventure.
Read moreKey Management in the Cloud
In my previous cloud security blogs, I mentioned the need to use key-based encryption for protecting data. Whether the data is in flight (i.e., being transmitted) or at rest (i.e., stored), it must be encrypted to ensure confidentiality, integrity and availability. Managing encryption keys can be challenging. There are different key types (symmetric vs. asymmetric), key strengths (128-bit through 2048-bit and greater), key usage (privacy, key exchange, authentication and digital signature) and key encryption algorithms (AES, 3DES, SHA-1, SHA-2, MD5, etc). Furthermore, each data end point, like storage or server, requires an integration point that also needs to be managed. For example, for storage we need an encryption integration point for each storage medium (disk, SAN, NAS or tape).
Read more8 Things You Need to Know about Windows 10
July 29, 2015 is the official release date of Windows 10, and Microsoft is putting a lot behind their latest operating system. The company’s top executives have promised to have Windows 10 running on a billion devices within two to three years. To get to those numbers Microsoft is pulling out all the stops, offering Windows 10 as a free upgrade to PC owners running Windows 7 or Windows 8, as well as making it free for small devices. Although Windows is still the number one desktop operating system in the world, PCs have seen their market share steadily decrease over the last few years to the benefit of portable devices.
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