Fortigate Load Balancing
KB ID 0001762 Problem I’ve been getting through my NSE4, and one of todays topics was NAT, just as an offhand comment the ‘narrator’ (I say narrator because it’s a monotonous robot AI voice,) mentioned Fortigate Load Balancing. In the past (with my Cisco hat on) when I’ve been asked about load balancing, I’ve said ‘If you want to load balance, buy a load balancer’. But the Fortigate does...
Load Balance IIS with Microsoft ARR
KB ID 0001573 Problem If you have a lot of IIS servers, and want to load balance between them, then you can either buy a load balancer, or use Microsoft ARR (Application Request Routing). Note: ARR does a lot more than simply load balancing, e.g. it can perform caching, and complex web routing, and even SSL offloading. Here we are just looking at load balancing. I’m going to deploy TWO ARR servers in my DMZ, here I’ve got...
Citrix NetScaler – SSL Offloading
KB ID 0001192 Problem What is SSL Offloading? If you run https services (Note: I say services, this does not have to be a website), the actual security is handled by SSL/TLS, one of the things this does is encrypt the traffic between the client and server. (This is why your online banking and shopping is done over https and not http.) Thats great, but encrypting and decrypting all that traffic takes a lot of processing cycles, if you...
NetScaler – SSL Virtual Server State: Down Effective State: Down
KB ID 0001190 Problem When trying to setup SSL Offloading on a NetScaler Virtual Server. I was unable to get the State and Effective State to ‘go green’. Solution If you hit the ‘down arrow’ to the left it will give you a little more information, it also says ‘SSL feature disabled’. Log directly into the appliance and issue the following command; enable feature SSL Hit the ‘refresh’...