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A tech talk with Combell tech evangelist Thijs Feryn, about the power of the combination of Varnish & HAProxy.
At Combell, you can also choose performance hosting, which includes caching provided via Varnish. Varnish, a reverse caching proxy server, gives wings to your website and has now become a standard in web hosting. But Varnish also has a few weaknesses. For instance, it cannot support SSL (and the secure https:// connection) without extra help. Moreover, Varnish does not display the visitor’s real IP on your app. Actually, you would need another proxy server to solve this problem, but adding multiple proxies in front of a web server turns out to be a quite complicated and demanding task.
However, the PROXY Protocol designed by HAProxy found a way to solve the problem. Via a separate protocol, the information about the original connection between the client and the proxy right in front of it is stored and submitted. This is a significant improvement, because the information about the IP of the visitor is very important for many applications – if only for web stats and SEO.
In addition, HAProxy is capable of handling SSL sessions, processing all incoming connections, and balancing the load correctly (load balancing).
MORE INFO ABOUT COMBELL’S PERFORMANCE HOSTING
What HAProxy exactly does and how you should implement it is no bed of roses for the average user. But if there is one person who can explain this in plain language, it is undeniably Combell tech evangelist Thijs Feryn, who is the man behind several tech talks you probably already read before.
During the Future Insight webinar, Thijs Feryn e.g. gave a demo of Varnish Cache on WordPress. And during the Nomad PHP conference, Thijs discussed several technologies that can make PHP more scalable.
Now, in his blog posting entitled “Varnish 4.1 & HAProxy: get the real IP by leveraging PROXY protocol support”, Thijs talks about what the combination Varnish / HAProxy allows you to do, and how you should implement it. A definite must-read!
In this article we give you important tips to run a successful web store during peak periods such as sales or smashing promotions.
Chances are you have already seen Thijs Feryn, our tech evangelist, on stage at a conference you attended in the past. He often speaks at meetings, conferences and industry events...
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