this post was submitted on 12 Oct 2023
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Surprised this isn't a better known / prevented vector. I remember experimenting with variant IPs like this in IE6 over 20 years ago.
Checking now with Firefox and it auto-translates on the line below as I type one in. (Tried both 0x7f000001 and 2130706433 because they're both variants of 127.0.0.1, and if there's something bad running on that address you have other problems.)
Irrelevant nerd fact: 2130706433 is a prime number.