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We understand how important it is that your applications never fail – which is why our support is second to none. Our passionate networking experts are on hand to help 24 hours a day, 365 days a year, in your country and your time zone.

We understand how important it is that your applications never fail – which is why our support is second to none. Our passionate networking experts are on hand to help 24 hours a day, 365 days a year, in your country and your time zone.

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Recommended versions

Latest version v8.8.1

Minimum secure version v8.3.8

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We have an extensive range of deployment guides covering a wide range of applications. Click the link below to find a guide for your specific environment

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Security news

SACK Panic: What is it, and is it actually time to panic?

Four closely related vulnerabilities regarding TCP handling in the Linux and FreeBSD kernels were publicly disclosed on 17 June 2019. Dubbed as “SACK Panic”, the main vulnerability can cause a Linux operating system to crash under specific conditions. UPDATE: Loadbalancer.org recommend that you update to v8.3.8

Continue reading

Huawei root access is BAD! VERY, VERY BAD: Or, how we reasoned ourselves out of root access by default

OK, So Trump didn't actually say that about Huawei. But given his recent declaration of all-out war on them, it wouldn't surprise me if he did. As you probably know, the notorious Chinese tech company was blacklisted by Google this week on the instructions of the Trump administration.

Continue reading

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FAQ's

How can I solve the ARP problem (Layer 4 DR only)?

When using Layer 4 DR mode you must solve the ARP issue as detailed in our Administration Guide.

Can I offload SSL on the load balancer?

Yes: the load balancer fully supports SSL termination and backend server re-encryption. We usually only recommend offloading SSL at the load balancer if it’s actually a requirement. This is because terminating SSL will always scale better when carried out on the backend real servers as opposed to being carried out on a load balancer: you can simply add more backend servers as required to perform more SSL terminations.
Modes Supported:
  • SSL Offloading
  • SSL Bridging
Please check the Administration Guide for detailed information.

How do we get the client source IP address in our web server logs?

There are several ways to answer this question with a load balancer.

  • Layer 4 DR/NAT (HTTP & HTTPS): These load balancing modes are source IP address transparent by default.
  • Layer 7 (HTTP): The insertion of XFF headers can be enabled for HTTP traffic. Then change the behavior in your webserver to log the XFF header.
  • Layer 7 (HTTPS): You must additionally terminate the SSL and enable Proxy Protocol support. Then you can insert the XFF header to the unencrypted HTTP traffic and modify your webserver to log the XFF header.
*If all else fails then Layer 7 with two-arm TPROXY is fully transparent
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Deployment guides

We have an extensive range of deployment guides covering a wide range of applications. Click the link below to find a guide for your specific environment.

Docs icon

Dell EMC ECS Deployment Guide

Download
Docs icon

Fujifilm SYNAPSE Deployment Guide

Download
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Metaswitch Virtual EAS SSS Deployment Guide

Download
view all deployment guides
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