VRL provides a powerful way to parse syslog messages,using the built-in `parse_syslog` . Some syslog messages may not be parsed effectively using the built-in `parse_syslog` function. In such cases, `parse_regex` can be used to extract meaningful data from syslog messages.
Internet Information Services (IIS) is a flexible, secure and manageable Web server for hosting anything on the Web. Monitoring and analyzing IIS logs can provide valuable insights into the performance and health of your web applications. In this blog, we will walk through the process of capturing IIS logs using the OpenTelemetry Collector (otel-collector), parsing them with Vector Remap Language (VRL), and sending them to OpenObserve for analysis.