Igor's Blog

17-Apr-2017
Googe Cloud Platform doesn't support CloudFlare's free edge certificates
I've written previously about using CloudFlare to get a free SSL certificate for your site. That works really well in most situations, but it appears that when using the free edge certificate from CloudFlare, the Google Cloud Platform console rejects those certificates.
16-Apr-2017
Fixing the invalid private key error in the Google Cloud Platform App Engine app Settings page
I've started playing around with Google's Cloud Platform recently and one of the first things I wanted to do was to secure my app's static pages so they could be delivered over HTTPS. This meant that I needed to upload my certificate and private key to Google. I went ahead and generated my key as usual and I thought I had an RSA key already, but Google didn't seem to like it.
28-Jun-2016
Get a Free SSL certificate and speed up your web site at the same time with CloudFlare
I've been using CloudFlare on my various web sites for a number of years now and the reason for using this service has just become even more compelling. Recently Google introduced HTTPS as a rank for website indexing which means if you don't have a HTTPS web site, you will be down-ranked in search results. For HTTPS you of course need an SSL certificate.
09-Dec-2015
Chrome and Safari keep saying ad.doubleclick.net requires a client certificate
I've noticed today that ad.doubleclick.net started asking for client certificates when browsing in Safari and Chrome on OS X. For some reason mutual authentication is being performed by the doubleclick (Google) servers. I'm guessing this is a configuration issue on the Google side as there is generally no need to have the client prove their identity, especially when serving ads. That or this is some new ad tracking technology gone wrong.
03-Jun-2015
Hilton's website is using the wrong SSL Certificate for days now
I've been checking Hilton's website on a regular basis this week (I travel on a weekly basis). For the entirety of this week, it's been giving me an SSL error - Safari can't verify the identity of the website "www3.hilton.com". It looks like the certificate is for a248.e.akamai.net. Now there is no reason not to trust Akamai, but having the wrong certificate for a domain is always a problem.
04-May-2015
Force HTTPS SSL URLs on web service requests in WebLogic
I've written earlier about adding basic HTTP authentication to a web service. That example forced the user of the web service to authenticate using basic authentication before a request would be served, however the username and password in this case are prone to sniffing and can be retrieved with relative ease. This is easily addressed by setting up your deployment so that WebLogic forces the use of HTTPS/SSL URLs web making requests.
21-Apr-2015
How to install Positive SSL certificates with GoDaddy web hosting
I've recently moved web hosts to GoDaddy and needed to SSL enable my website. Since I didn't do the whole process myself at my previous host, I didn't know exactly the steps to take, but I figured it out and here's how to do it.
18-Jan-2015
CokeRewards.com.au SSL certificate expired
Update: Looks like two days after this issue started happening, it has finally been resolved.

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Showing whitespace characters in vi

Using Jackson to automatically convert Java POJOs to JSON as output of a Jersey service

Enable quick access to the keyboard and emoji viewer in macOS

How to tell if your site is served via CloudFlare

Googe Cloud Platform doesn't support CloudFlare's free edge certificates

Fixing the invalid private key error in the Google Cloud Platform App Engine app Settings page

Cleaning the sticky PlayStation controller analogue thumb sticks

Invoking interactive shell scripts non-interactively

Using variables as column numbers with Bash and Awk when processing text files

Debugging Google DFP ad delivery via the publisher console

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