In Yahoo’s search result some of our page titles were being prefixed the “C C C” which, of course, was really weird. Charlie figured this one out. My money was on some corrupt HTML tag that was trying to set a color to hex #CCC but that wasn’t right. Let me show…
Month: March 2017
Ramblings
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How to program
This image pretty much says it all. (Image from Discourse but that might have lifted from this blog which references “Dylan DeLosAngeles” but links to this t-shirt.
SSL/TLS/HTTPS
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Let’s Encrypt – Nginx settings
Ubuntu 14.04 From https://certbot.eff.org/all-instructions/#ubuntu-14-04-trusty-nginx Download and install We’re going to use certbot and install it in /usr/local/bin sudo wget https://dl.eff.org/certbot-auto -O /usr/local/bin/certbot-auto sudo chmod +x /usr/local/bin/certbot-auto certbot-auto –os-packages-only First cert request sudo service nginx stop ./certbot-auto certonly –standalone -d www.example.com -d example.com sudo service nginx start Test renewal certbot-auto renew –dry-run Actual renewal…
Random things I learned
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Inflatable tanks and hacking Marconi
I’d heard about the inflatable tanks (and other dummy tanks) that they’d used during WWII and I still think they’re pretty cool idea for the time. Today I read a quick snippet about one of the guys, Jasper Maskelyne, that may have either been instrumental or in the creation of them…
Linux
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Linux command line: cal
Huh, there’s a command called cal that’s apparently installed with most Linux distros. # cal March 2017 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26…
Security
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Ticketbleed (CVE-2016-9244)
Ticketbleed is a software vulnerability in the TLS/SSL stack of F5 BIG-IP appliances allowing a remote attacker to extract up to 31 bytes of uninitialized memory at a time.https://filippo.io/Ticketbleed/ SSL Labs is adding tests for this. And I didn’t know that SSL Labs had a development server for people to…