Transparent mode with HAProxy allows you to see the IP Address of the clients computer while still having a high availability service using HAProxy. This posting shows how to setup a blank virgin installation of Centos 6.3 64bit minimum installation.
Loadbalancing an internal webserver behind two Microsoft TMG 2010 servers at layer4
We were looking at Microsoft’s new TMG server and loadbalancing and after a search of the web found there was not really any Guide on how to loadbalance incoming web connections via two TMG servers to an internal NAT’ed web sever at layer4.
Load Balancing Exchange 2010 CAS Array with HAProxy (Quick Guide)
This Blog is for anyone wanting to load balance the Exchange 2010 CAS role using only open source software. To start with you will need a Linux system installed with either access to a HAProxy RPM/DEB or the tools to compile this yourself.
Updating your Version 6.X Loadbalancer.org Hardware to Version 7.4
Yes its true! Feel free to rub your eyes, do a double take, reload the page, get a cup of coffee to wake yourself up then reload the page again. ITS FINALLY HERE! Version 7.4 is available for your hardware Loadbalancer.org appliances! Continue reading for the installation procedure………… Firstly, thankyou all for being so patient,
SSL Termination & The BEAST
Over the last few weeks we have seen more and more users reporting that they have run a security check on the SSL certificate thats installed on their Loadbalancer appliance using the Trustworty Internet Movement web site (https://www.trustworthyinternet.org/ssl-pulse/). The idea behind the site is basically to test as many SSL certificates on the Internet as
Upstart Script for Collectd
We have been doing some internal testing with Collectd. “collectd gathers statistics about the system it is running on and stores this information. Those statistics can then be used to find current performance bottlenecks (i.e. performance analysis) and predict future system load (i.e. capacity planning).
For any poor sod who needs to deal with the PCI Data Security Standard (PCI DSS)
Any engineer dealing with PCI DSS compliance issues probably looses a little bit of the joy in life . Now don’t get me wrong, The PCI DSS has a laudable aim and is written quite well and mostly sensibly but like the bible is open to a vast amount of interpretation… So lets start with the fundemental
Load balancing Microsoft Print Server
Microsoft print server provides a great way to share printers throughout your organisation, but when the print server service falls over, the phone quickly starts to ring. By adding a load balancer and a second print server configured with the same print queues , you’ll quickly have a load balanced and resillient printing infrastructure for
NTLM Authenticating Proxy Check Script
We do quite a bit of work with web proxy vendors, loadbalancing multiple web filters/proxies with one of our appliances and our customers have requested a way of health checking through the proxy when they have NTLM authentication enabled. Always happy to help where we can I have created a script that will retrieve a
Load Balancer performance: Benchmarking HAProxy on EC2 (Quick and Dirty Style)
Lies, Damn Lies, and Benchmarks….