As of Firefox version 20, the addon Skip-Cert-Error (which is a rewrite of 'MitM Me') doesn't work anymore. In fact there were some changes made in ffox in regards to the private-browsing-mode, which made the current 0.3.3 version incompatible.
Luckily the developer also has its own GIT-repository ...

Another one for today.. :-D
I wanted to find a quick way to show me the expiry dates of ssl certificates on the fly, without going through any browsers etc.
A combination of sed and openssl did the job.

``` {.lang:sh .decode:true} echo "" | openssl s_client -showcerts -connect www.ubs ...