The math behind subnetting (5 Jan 2006):Article describing the math behind a subnet.“This document will cover two quick ways for figuring out the numbers behind subnetting. The first way involves making a simple chart, the second way uses simple math that most people can do in their head, at least for smaller numbers. The first way is recommended for any exams, or times when you need to do a lot of subnetting quickly. The second way works best if you just need to know one or two examples, or to check your work from the chart.”
Browsing Posts published in January, 2006
Password-less Encrypted Connections with OpenSSH:Believe it or not a lot of users out there do not know how to set up password-less encrypted connections with OpenSSH.
Uncle Sam frees up some prime spectrum:The US government has plans to auction off some spectrum that looks mighty attractive for wireless broadband applications.
Who’s down with NTP?:Interested in time? A friend of mine is quite interested in accurate time keeping, particular with reference to NTP. You probably know that we got an extra “leap second” added between 31-Dec-2005 and 1-Jan-2006 and he has written a detailed assessment of how the leap second propagated through the…
Open Thread: SonyBMG Lawsuit Settlement:SonyBMG has reportedly reached a settlement agreement in the class action lawsuits. Alex Eckelberry has posted the motion proposing the settlement, and a brief summary of its terms.
…(Update: Discussion had already started in the comments on another post, starting here.
…(Update 2: Jim Tyre pointed out that what I had previously called the “settlement” was actually a motion asking the court to approve the settlement. I modified the text to reflect this, and I added a link to the actual settlement.)
Looking back at computer security in 2005:This article presents a view on some of the biggest events of 2005 with comments by Bruce Schneier, Howard Schmidt, Dr. Gerhard Eschelbeck, Mikko H. Hyppönen, Ira Winkler and Fyodor.
GNU developers have released a telephony stack, an open source alternative to competing proprietary VoIP solutions. The GNU telephony stack provides a sacalable environment for building and deploying enterprise level VoIP solutions compatible with current standards and hardware. With an emphasis on modularity and extensible functionality, the GNU telephony stack can be integrated with other systems and services like web servers and databases.
…Here at home; I had to switch over to the IAX protocol. Much better for putting less holes in ones security perimeter.
Hey, it’s fifteen years today since I bought the machine that got Linux started. January 2nd is a good date.
Wi-Fi Clients Will Someday Improve:There’s an awkward dance between access point and Wi-Fi adapters: A Wi-Fi adapter is full of 1999 and 2002 technology; Wi-Fi access points, enterprise WLAN switches, and gateways have the latest goodness. How can the industry add features to adapters that allow them to be as smart and manageable as the AP side?… Those will all allow enterprises to save enormous amounts of time in provisioning devices–although some end-point security tools can already handle some of this–and troubleshooting. The dynamic changes in settings would allow devices to respond to network conditions or control signals sent via an access point to an adapter. Most importantly, perhaps, adapters could participate in load balancing among access points, eliminating kludges by WLAN vendors that push and pull adapters to the APs they want them on….
Top Wi-Fi Stories of 2005: The Irony, The Agony, The Security:Our site’s top stories viewed during 2005 are mostly from previous years: It’s the irony of a blog that your traffic is either on your home page or in the archives…. Municipal: Texas Fights; Indiana Bill Dies; NYT Covers; Philly Councilman Shills; Colorado Suppresses (Feb. 2005) 6…. 2003) You’ll notice a trend here: Six of the top 10 stories are about security, four about Wi-Fi Protected Access. Only three stories in the top ten ran in 2005, while three date back to security issues first written about in 2003! And the 2nd most popular story was a white paper written by a security expert that we were given permission to post.
