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Knowledge Base

ADCaaS - Load Balancing

Do you support SNI (Server Name Indication) SSL Certificates?

Yes, we sure do. This fairly recent extension of the TLS protocol allows you to indicate which hostname is being contacted by the browser at the beginning of the handshake process. This allows a server to connect multiple SSL Certificates to one IP address and load the correct site or application for the user. Previously […]

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Do you support FREE SSL Certificates from Let’s Encrypt?

Yes, absolutely. There are no issues using their SSL certificates on our platform for Load Balancing or the Web Application Firewall. In fact, we already have the Let’s Encrypt Authority Intermediate certificate loaded into our repository and ready for your use.  You can upload certificates manually through our UI, or you can automate/script the entire […]

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I want to install the SSL certificate on the Load Balancer and use the SSL protocol, but I don’t want SSL Offload. I want it to remain entirely encrypted between my client and my server. Is this possible?

Yes, this is absolutely possible, and recommended! To accomplish this, you will need to configure the “protocol” as SSL and map it also to SSL on your servers (both probably on port 443). This ensures SSL is maintained between the client and your servers, while still allowing you to take advantage of our SSL acceleration, […]

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When using SSL Offload, but with end-to-end encryption (so it is not really offload at all), do I need to install the SSL cert on both the load balancer and my server(s) at the same time?

The quick answer is that some sort of SSL certificate must be installed on your server(s) if you are not going to perform SSL Offload and want to maintain end-to-end encryption.  But this doesn’t have to be the same SSL cert you install in the load balancer if you don’t want. It can be, and […]

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Can you load balance FTP servers?

Yes, the Total Uptime cloud load balancer can distribute traffic to traditional FTP servers. To properly configure FTP for the highest possible throughput, there are only a few steps you need to follow. Configure your server to allow all TCP traffic from our load balancer IP addresses. You can find a list of IP addresses […]

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Temporarily bypassing DNS by modifying the Windows hosts file

If you have a Windows machine, temporarily adding a line to the hosts file is the easiest way to test a DNS change before actually making it live. This article outlines the steps you can perform to test. The location of the Hosts file can usually be found in %systemroot%\system32\drivers\etc\ where %systemroot% is usually C:\windows, […]

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