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Software Development

PHP 7.3 and forbidden functions

Last month PHP 7.3.0 was released and with that a lot of functions or aliases were deprecated that may lead to issues down the road. While Xdebug still needs to be released for PHP 7.3 an automated test with GitLab isn’t possible yet as the build phase of Xdebug fails. Luckily I’m using PHP Code […]

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Software Development

PowerDNS service for get coordinates for IPv4 addresses

Bert Hubert from PowerDNS made an interesting announcement today. Retrieving the coordinates for an IPv4 address with just a DNS query. New PowerDNS service: get coordinates for every IPv4 address: $ dig -t txt https://t.co/gBtMoc9U69 +short“52.382401 4.899500” Based on @maxmind data. Uses reversed IP address, so this is 149.210.160.248. — Bert Hubert ?? (@PowerDNS_Bert) December […]

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Software Development

Monitoring GitHub for new releases

Big sites like GitHub or GitLab are hosting a lot of projects and have numerous of releases a day. And while you as a person can watch a repository on GitHub, you can’t filter out new releases easily. At least not easily findable in the interfaces and checking all the repositories manually because they aren’t […]

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Software Development System Administration

Using GitLab to build LaTeX

Generating documents in PDF form is becoming the standard nowadays, but how to generate them easily when they’re mostly free format? One of the goals of the Offensive Security Certified Professional (OSCP) Certification is writing a report based on the evidence you find. This is where LaTeX comes into the picture as you can easily […]

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Software Development

Integrity checking for JavaScript

Including JavaScript files from a CDN can be beneficial in many ways as you don’t have to ship the code with your code and caching can be done by the browser of a proxy server. It also allows for injecting untrusted code into a web page as someone else is hosting the code you rely […]