May 9, 2011
On the Practical Feasibility of Ping Sweeping IPv6 Networks
Exploring the practical feasibility of ping sweeping IPv6 networks. Includes a spreadsheet for determining how long it will take to sweep your own network.
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IT Dojo blog — expert insights on cybersecurity, RMF, DoD compliance, certifications, networking, and federal IT. Updated regularly by our instructors.
May 4, 2011
Basic IPv6 Resolver Configuration in Ubuntu
Configuring Ubuntu's (any Linux distro, really) resolv.conf file with an IPv6 DNS server so you can natively query IPv6 DNS servers.
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May 3, 2011
The Sound of IPv6 Inevitability
The need to migrate to IPv6 is imminent. The IPv4 address space is exhausted. Corporate America can no longer ignore the signs; it's time to get moving.
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May 2, 2011
Delivering DNS via IPv6 Router Advertisements
A brief introduction to the newly created RFC that allows routers to provide DNS server information via Router Advertisements (RA).
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April 28, 2011
If Each IPv6 Address Was a Second in Time
In an earlier post I offered some perspective on just how big the 128-bit IPv6 address space is. The ridiculousness of the number of addresses offers plenty of …
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April 28, 2011
IPv6 Addresses and UNC Path Names – Overcoming Illegal
The beloved UNC path name, familiar to all who administer Microsoft. After all these years there is something comfortable and familiar in the simple act of …
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April 28, 2011
Link-Local Addressing – So Much More Than FE80
When discussing IPv6 addresses folks are often quick to say, "FE80 ...that's link-local." And it's true. The prefix FE80::/10 is reserved for link-local IPv6 …
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April 28, 2011
So Just How Many is 340 Undecillion?
By now most of us know that the IPv6 address space is 128-bits. That's 96-bits larger than the 32-bit IPv4 address space. By now most of us also know that the …
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April 28, 2011
What You dig and How You dig It
The Domain Internet Groper, or dig, as most of us know it, is considered by pretty much everybody in the 'nix community to be the replacement to nslookup. And I …
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