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High Availability

Slay the downtime dragon and be an HA hero

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Hardening HashiCorp Vault with load balancing for always-on security

Disaster recovery is more important than HTTPS SNI support...

SNI is an extension to the TLS protocol which enables the client to broadcast its hostname when it tries to connect to your server. This allows you to use multiple SSL certificates on a single IP...

High Availability Security

Setting up HAProxy with Transparent Mode on Centos 6.x

Transparent mode with HAProxy allows you to see the IP Address of the clients computer while still having a high availability service using HAProxy...

HAProxy High Availability Open source
Identifying the originating IP address

Apache and X-Forwarded-For Header: How to log XFF using Apache

There’s been a lot of debate here in the office about how best to capture both your Loadbalancer’s IP and the Source IP of the user in your access_log in Apache 2.4. This is the tried and tested method we've come up with...

Application Management How-tos High Availability

Why does GSLB suck?

Ok, before I start to fan the flames, let me start with the usual caveat; GSLB doesn't ALWAYS suck — just more often than you'd think, for these reasons.....

GSLB High Availability