Apache + Ubuntu Behind Reverse Proxy | Log X-Forwarded-For Header | Disable Proxy Health Check Logs

December 13, 2023

Complete Guide: https://www.rmtechcentral.com/apache-ubuntu-behind-a-reverse-proxy-log-x-forwarded-for-header-disable-proxy-health-check-logs

Apache Webserver sitting behind a reverse proxy is a very common setup, however, by default, Apache will still log the IP address in the layer 3 header as opposed to the X-Forwarded-Header. This can be inconvenient when checking the server logs, because everything will appear as though it is coming from the same IP address, which would be the ip address of the reverse proxy.

Another issue that can make poking through logs a bit more painful, is the logging of the constant health checks initiated from the reverse proxy. The logging of these health checks in Apache can also cause the log to fill up rather quickly, with line after line of redundant text.

This video was created to help you remedy these issues, while also briefly touching on how to define custom log files as well, since this comes with the territory when aiming to disable logging for specific criteria such as reverse proxy health checks.

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CHAPTERS
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0:00 – Introduction
1:09 – Brief Overview
2:19 – Logging the X-Forwarded-For Header Versus L3 IP
10:23 – Filtering Logs Based on IP Address
12:10 – Defining Custom Log Files
16:50 – See Ya!

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