![]() For example, a high number of 5xx errors indicates the web server is encountering internal errors-part of the site is probably crashing. For example, if the access log shows a high number of HTTP error 404, it means users are trying to access one or more non-existent pages, or the site is using the wrong URLs.Īn access log also helps troubleshoot critical errors. Why Do You Need to Capture Access Logs?Ĭapturing and analyzing web server access logs is beneficial for system administrators.įirst, it shows the web application’s availability and health for faster error troubleshooting. Typically, web server access logs contain all three types of information (user access, user activity, and request errors). To keep things simple, we’ll focus on web server access logs in this article. IBM z/Transaction Processing Facility system error log.These logs are useful for troubleshooting application and system errors. Examples of server access logs include:Įrror logs contain diagnostic information about errors encountered during client sessions. Unlike activity logs, these logs don’t contain detailed information about what the user actually did. Server access logs contain information about user connections and their resource requests. Such activities include executing commands, visiting URLs, and accessing files. We can broadly classify access logs into three main categories:Īn activity log records all the actions performed by a user during a session. In this article, we’ll consider why access logs are important, different types of access logs and their locations, their contents, and the various configuration parameters involved. Typically, access logs contain some common information. Access logs can help IT teams discover problems, detect threats, and identify capacity issues. Software developers, operations engineers, and security analysts use access logs to monitor how their application is performing, who is accessing it, and what’s happening behind the scenes. Managing access logs is an important task for system administrators. Examples can be web server access logs, FTP command logs, or database query logs. An access log is a log file that records all events related to client applications and user access to a resource on a computer. ![]()
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