Category Archives: Web Site Technologies

Chiefly related to the technology behind publishing a web site.

Compiling curl and openssl on Redhat Linux

Intro I have an ancient Redhat system which I’m not in a position to upgrade. I like to use curl to test web sites, but it’s getting to the point that my ancient version has no SSL versions in common … Continue reading

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F5 BigIP irule: serving a dynamic proxy PAC file

Intro A large organization needed to have considerable flexibility in serving out its proxy PAC file to web browsers. The legacy approach – perl script on web servers – was replaced by a TCL script I developed which runs on … Continue reading

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curl showing its age with SSL error

Intro I’ve used curl as a debugging tool for a long time. But time moves on and my testing system didn’t. So now for the first time I saw an error that is produced by this situation, and I will … Continue reading

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Google Authenticator – not tough to self-host

Intro I wanted to learn a bit more about digital currencies. I’ll certainly be posting about them in the future. The best way to get some is to open an account with coinbase. But for security reasons – and I … Continue reading

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SSL Interception: troubleshooting

Intro SSl Interception is a reality at some larger companies. From a security perspective it is vital as it permits you to extend your AV scanning, botnet detection, 0-day, DLP, cloud security, etc to your https traffic which is normally … Continue reading

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What I’m working on now: Poor man’s version of Speedtest.net

Intro Now that I have a dual-band router I wanted to run some tests to see if 5 GHz is really faster and more stable than 2.4 GHz, as my intuition was telling me. But my only 5 GHz device … Continue reading

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White web page: maximizes your backlight with no invasion of privacy

Intro Maybe it’s just me, but I’ve always had some issues getting my flashlight app to work on my phones. First there’s the issue of finding one from a trusted source (many contain spyware: access to my contacts?? for a … Continue reading

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Tips for creating a PayPal Donate button for not-not-for-profits

Intro I am treating my blog as a public service, so I thought it would be appropriate to have a Donation link even though I have not incorporated as a 501c3 non-profit. Is it even possible? Can I keep my … Continue reading

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What I’m working on now: saving $69 a year on my certificate costs: Lets Encrypt

Intro I recently turned off my GoDaddy web site certificate and implemented one that cost me nothing. This will save me $69 per year. I wrote up my experience in this article: Idea for free web server certificates: Let’s Encrypt … Continue reading

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Roll your own dynamic DNS update service

Intro I know my old Cisco router only has built-in support for two dynamic DNS services, dyndns.org and TZO.com. Nowadays you have to pay for those, if even they work (the web site domain names seem to have changed, but … Continue reading

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