Ramblings & ephemera

How technologies have changed politics, & how Obama uses tech

From Marc Ambinder’s “HisSpace” (The Atlantic: June 2008):
Improvements to the printing press helped Andrew Jackson form and organize the Democratic Party, and he courted newspaper editors and publishers, some of whom became members of his Cabinet, with a zeal then unknown among political leaders. But the postal service, which was coming into its own as [...]

A domain name reserved for examples

According to RFC2606, available at http://www.rfc.net/rfc2606.html, the following domains have been reserved for examples in technical and other writing:

example.com
example.org
example.net

In addition, the following TLDs are reserved for obvious uses:

.test
.example
.invalid
.localhost

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Who made [...]

Flush your DNS cache

Windows
ipconfig /flushdns
Mac OS X
dscacheutil -fluchcache

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Who runs botnets?
What bots do and how they work

1/2 of all bots are in China

From “Report: China’s botnet problems grows” (SecurityFocus: 21 April 2008):
Computers infected by Trojan horse programs and bot software are the greatest threat to China’s portion of the Internet, with compromises growing more than 20-fold in the past year, the nation’s Computer Emergency Response Team (CN-CERT) stated in its 2007 annual report released last week.
The response [...]

Scarcities and the music, movie, and publishing businesses

In Clay Shirky’s response to R.U. Sirius’ “Is The Net Good For Writers?” (10 Zen Monkeys: 5 October 2007), he takes on the persona of someone talking about what new changes are coming with the Gutenberg movable type press. At one point, he says, “Such a change would also create enormous economic hardship for anyone [...]

USA owns 74% of IPv4 addresses

From Stephen Ornes’s “Map: What Does the Internet Look Like?” (Discover: October 2006):
The United States owns 74 percent of the 4 billion available Internet protocol (IP) addresses. China’s stake amounts to little more than that of an American university. Not surprisingly, China is championing the next wave of the Internet, which would accommodate 340 trillion [...]

What bots do and how they work

From The Honeynet Project & Research Alliance’s “Know your Enemy: Tracking Botnets” (13 March 2005):
After successful exploitation, a bot uses Trivial File Transfer Protocol (TFTP), File Transfer Protocol (FTP), HyperText Transfer Protocol (HTTP), or CSend (an IRC extension to send files to other users, comparable to DCC) to transfer itself to the compromised host. The [...]

Different types of Bots

From The Honeynet Project & Research Alliance’s “Know your Enemy: Tracking Botnets” (13 March 2005):
… some of the more widespread and well-known bots.

Agobot/Phatbot/Forbot/XtremBot
… best known bot. … more than 500 known different versions of Agobot … written in C++ with cross-platform capabilities and the source code is put under the GPL. … structured in a [...]

Uses of botnets

From The Honeynet Project & Research Alliance’s “Know your Enemy: Tracking Botnets” (13 March 2005):
“A botnet is comparable to compulsory military service for windows boxes” - Stromberg
… Based on the data we captured, the possibilities to use botnets can be categorized as listed below. …

Distributed Denial-of-Service Attacks
Most commonly implemented and also very often used are [...]

Who runs botnets?

From The Honeynet Project & Research Alliance’s “Know your Enemy: Tracking Botnets” (13 March 2005):
An event that is not that unusual is that somebody steals a botnet from someone else. … bots are often “secured” by some sensitive information, e.g. channel name or server password. If one is able to obtain all this information, he [...]

An analysis of botnets

From The Honeynet Project & Research Alliance’s “Know your Enemy: Tracking Botnets” (13 March 2005):
A botnet is a network of compromised machines that can be remotely controlled by an attacker. … With the help of honeynets we can observe the people who run botnets … Due to the wealth of data logged, it is possible [...]

Differences between Macintosh & Unix programmers

From Eric Steven Raymond’s “Problems in the Environment of Unix” (The Art of Unix Programming: 19 September 2003):
Macintosh programmers are all about the user experience. They’re architects and decorators. They design from the outside in, asking first “What kind of interaction do we want to support?” and then building the application logic behind it to [...]

Just how big is YouTube?

From Reuters’s “YouTube serves up 100 mln videos a day” (16 July 2006):
YouTube, the leader in Internet video search, said on Sunday viewers have are now watching more than 100 million videos per day on its site, marking the surge in demand for its “snack-sized” video fare.
Since springing from out of nowhere late last year, [...]

1st 2 questions AOL tech support asks

From Spare me the details (The Economist: 28 October 2004):
LISA HOOK, an executive at AOL, one of the biggest providers of traditional (“dial-up”) internet access, has learned amazing things by listening in on the calls to AOL’s help desk. Usually, the problem is that users cannot get online. The help desk’s first question is: “Do [...]

Remote fingerprinting of devices connected to the Net

Anonymous Internet access is now a thing of the past. A doctoral student at the University of California has conclusively fingerprinted computer hardware remotely, allowing it to be tracked wherever it is on the Internet.
In a paper on his research, primary author and Ph.D. student Tadayoshi Kohno said: “There are now a number of powerful [...]

IE unsafe 98% of the time

From Noam Eppel’s “Security Absurdity: The Complete, Unquestionable, And Total Failure of Information Security“:
The security company Scanit recently conducted a survey which tracked three web browsers (MSIE, Firefox, Opera) in 2004 and counted which days they were “known unsafe.” Their definition of “known unsafe”: a remotely exploitable security vulnerability had been publicly announced and no [...]

The Flash Worm, AKA the Warhol Worm

From Noam Eppel’s “Security Absurdity: The Complete, Unquestionable, And Total Failure of Information Security“:
In 2001, the infamous Code Red Worm was infecting a remarkable 2,000 new hosts each minute. Nick Weaver at UC Berkeley proposed the possibility of a “Flash Worm” which could spread across the Internet and infect all vulnerable servers in less [...]

A technical look at the Morris Worm of 1988

From Donn Seeley’s “The Internet Worm of 1988: A Tour of the Worm“:
November 3, 1988 is already coming to be known as Black Thursday. System administrators around the country came to work on that day and discovered that their networks of computers were laboring under a huge load. If they were able to log in [...]

Clay Shirky on why the Semantic Web will fail

From Clay Shirky’s “The Semantic Web, Syllogism, and Worldview“:
What is the Semantic Web good for?
The simple answer is this: The Semantic Web is a machine for creating syllogisms. A syllogism is a form of logic, first described by Aristotle, where “…certain things being stated, something other than what is stated follows of necessity from their [...]

The structure & meaning of the URL as key to the Web’s success

From Clay Shirky’s “The Semantic Web, Syllogism, and Worldview“:
The systems that have succeeded at scale have made simple implementation the core virtue, up the stack from Ethernet over Token Ring to the web over gopher and WAIS. The most widely adopted digital descriptor in history, the URL, regards semantics as a side conversation between consenting [...]