Created
August 31, 2018 14:37
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Apache - Disable access loging for ELB healthchecking and internal dummy connections
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| # Put this inside your VirtualHost configuration or apache.conf file, where the access log is defined | |
| # If conditions adapted from https://stephane.lesimple.fr/blog/2010-01-28/apache-logical-or-and-conditions-with-setenvif.html | |
| # Initialize variables | |
| SetEnvIf Remote_Addr "^" loopback_ip=0 | |
| SetEnvIf Remote_Addr "^" healthcheck_url=0 | |
| # Disable apache "internal dummy connections" logging | |
| # (if remote_addr is local and method is "OPTIONS") | |
| SetEnvIf Remote_Addr "^127\.0\.0\.1$" loopback_ip=1 | |
| SetEnvIf Remote_Addr "^::1$" loopback_ip=1 | |
| SetEnvIf Request_Method "OPTIONS" dummy_connection=1 | |
| SetEnvIf loopback_ip 0 !dummy_connection | |
| # Disable ELB healthcheck requests | |
| # (if URL is "/elbhealthcheck" and user-agent starts with "ELB-HealthChecker") | |
| SetEnvIf Request_URI "^/elbhealthcheck$" healthcheck_url=1 | |
| SetEnvIf User-Agent "^ELB-HealthChecker" is_healthchecker=1 | |
| SetEnvIf healthcheck_url 0 !is_healthchecker | |
| # Set conditions into dontlog variable | |
| SetEnvIf dummy_connection 1 dontlog | |
| SetEnvIf is_healthchecker 1 dontlog | |
| CustomLog /var/log/apache2/access.log combined env=!dontlog |
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