GNU httptunnel
httptunnel creates a bidirectional virtual data connection tunnelled in HTTP requests. The HTTP requests can be sent via an HTTP proxy if so desired.
Related cards:
Wie sieht man als Blinder das Internet? - ein Interview mit vier sehbehinderten Internetexperten - Knetfeder Magazin
Wir sprachen mit Steffen S., Jenny R., Kamil G. und Andreas R., die blind oder mit Sehbehinderung das Internet nutzen und gerade dadurch in Erfahrung und Kompetenz vielen sehenden Netznutzern voraus sind.
When Internet Explorer does not render webfonts on customer machines
Things to check first
- Do you deliver fonts in a format that the target IE version understands?
- Did you double-check your
@font-facedeclarations with all the hacky syntax that is required? Compare them with other decl...
When does support end for a version of Internet Explorer?
The maximum version of Internet Explorer you can have depends on your version of Windows. E.g. Windows 7 users can use Internet Explorer up to version 11, but they cannot upgrade to Edge.
Since early 2016, Microsoft [only supports the latest vers...
Upgrading Rails 2 from 2.3.8 through 2.3.18 to Rails LTS
This card shows how to upgrade a Rails 2 application from Rails 2.3.8 through every single patch level up to 2.3.18, and then, hopefully, Rails LTS.
2.3.8 to 2.3.9
This release has [many minor changes and fi...
Subscribe to Rails security mailing list without Google account
The Ruby on Rails security list archive can be found here: http://groups.google.com/group/rubyonrails-security
You can subscribe to this mailing list without a Google account by pasting this ...
How to create memory leaks in jQuery
jQuery doesn't store information about event listeners and data values with the element itself. This information is instead stored in a global, internal jQuery cache object. Every time you add an event listener or data value to a jQuery object, ...
BlogFish: Ruby on Rails Security
Recently I've been made aware of people inside US Government organizations using my Ruby on Rails Security presentation as an excuse to limit Ruby on Rails adoption and projects inside those organizations.
Advanced plotting in Ruby with Gnuplot
Besides Plotting graphs in Ruby with Gruff, which comes handy for many uses cases, you sometimes might need configuration for more advanced plots, e.g. for academic conc...
Vortrag: Content Security Policy: Eine Einführung
Grundidee
CSP hat zum Ziel einen Browser-seitigen Mechanismus zu schaffen um einige Angriffe auf Webseiten zu verhindern, hauptsächlich XSS-Angriffe.
Einschub: Was ist XSS?
XSS = Cross Site Scripting. Passiert wenn ein User ungefiltertes ...
Using attribute event handlers with a strict Content Security Policy (CSP)
Given you have a strict CSP that only allows <script src> elements from your own domain:
Content-Security-Policy: script-src 'self'
This will block JavaScript handlers inlined as attribute into your HTML elements. Clicking on the f...