January 22, 2013
There is No Substitute for an Instructor
Most will agree that there is no substitute for instructor-led classroom training.
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IT Dojo blog: expert insights on cybersecurity, RMF, DoD compliance, certifications, networking, and federal IT. Updated regularly by our instructors.
October 2, 2012
Pushing Firewall Admins into an ICMPv6 Frame of Mind
In this post Colin discusses issues the Path MTU discovery (PMTUD) and its implications on networking with IPv6.
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October 1, 2012
On the Evolution of Ubuntu
Ubuntu 12.10 ships with controversial new features that have some users upset. Colin shares his perspective on the changes.
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September 14, 2012
SSH Using Link-Local IPv6 Addresses
In this post Colin reviews how to use link local IPv6 addresses to establish ssh connections to remote hosts.
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September 11, 2012
The 600-lb Gorilla Sitting on the Shoulders of IPv6
In this post Colin addresses what he sees as the single biggest obstacle to the migration of the world to IPv6.
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September 10, 2012
A Glimpse Into the Future of IPv6 at Home
In this post Colin give a brief overview of prefix delegation, one of the coming features of most residential IPv6 deployments.
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September 7, 2012
Deprecate, Deprecate, Deprecate
Those actively involved in the journey to IPv6 as the native transport encounter plenty of new terms and technology. One unexpected term stands out for Colin.
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September 6, 2012
Know Thy IPv6 Neighbor
In this post Colin reviews the items kept in the IPv6 neighbor cache and how to view the cache on Windows, Linux and Mac OSX systems.
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September 5, 2012
Resolver Cache - Linux vs Windows
In this post Colin explores some of the differences in DNS behavior between Windows and Linux systems.
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July 16, 2012
Chief Information Officers Council – Roadmap Toward IPv6 Adoption for the Federal Government
Just last week (July 12, 2012), the Chief Information Officers Council released this updated version of the Roadmap Toward IPv6 Adoption for the Federal…
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December 30, 2011
Security Through Obscurity
The effectiveness of Security through Obscurity is closely related to the knowledge (or lack thereof) of the attacker.
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June 24, 2011
/64 or /126 Silliness
A comment on the silliness of using /126 IPv6 prefixes for for P2P links.
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