Home > Apache Error > Apache Error Log 2.2

Apache Error Log 2.2

To specify the audit log file and start audit logging, add the following to your configuration:SecAuditEngine On SecAuditLog /var/www/logs/audit_logAfter the installation and configuration, you will be able to log the contents Check /etc/defaults/apache2 to see if it has been changed. –bahamat Feb 19 '14 at 22:34 If there's no LogLevel set for a particular VirtualHost you can add one. –bahamat Sort results of a query by the order of OR clause Why are some programming languages turing complete but lack some abilities of other languages? The error logs pinpoints problems when starting, running, or stopping MySQL Server. navigate to this website

Not the answer you're looking for? But the best thing to do would be to contact your host. Its single parameter is one of the levels in Table 8-4. Browse other questions tagged debian logs apache-httpd or ask your own question.

If you are afraid the logging database might become a bottleneck (benchmark first), then put logs onto the filesystem first and periodically feed them to the database. In this case, the information that is not available is the RFC 1413 identity of the client determined by identd on the clients machine. I cover several approaches in the following sections.Manual CentralizationThe most natural way to centralize logs is to copy them across the network using the tools we already have, typically FTP, Secure

Using s gives the same result as %T without any format; using us gives the same result as %D. Topics Custom Log Formats Security Considerations Directives BufferedLogs CustomLog GlobalLog LogFormat TransferLog Bugfix checklisthttpd changelogKnown issuesReport a bugSee also Apache Log Files Comments Custom Log Formats The format argument to the The option -r should be specified on the syslogd command line to open the port 514, which is the port typically used to receive remote syslog messages.To send access log entries share|improve this answer answered Feb 19 '14 at 20:10 That Brazilian Guy 1,34931123 add a comment| up vote 1 down vote You can inquire about his information from Apache's log files

Message facility is of interest to us because it allows messages to be grouped. A similar lesson can be learned from the next example, too:Developers have installed a script to check the operation of the application every five minutes. More information is available in the mod_cgi documentation. The last number indicates the timezone offset from GMT %{format}t The time, in the form given by format, which should be in an extended strftime(3) format (potentially localized).

The access log is created and written to by the module mod_log_config, which is not a part of the core, but this module is so important that everyone treats it as Valid units are ms for milliseconds, us for microseconds, and s for seconds. This is usually accomplished with SetEnvIf. PID File On startup, Apache httpd saves the process id of the parent httpd process to the file logs/httpd.pid.

These headers can be logged with %{x_sessionid}o and %{x_username}o, respectively.header("x_sessionid: $sessionid"); header("x_username: $username");You will not be able to send a warning from the application using response headers though. find more info A very simple method to find this out would be: SetEnv CACHE_MISS 1 LogFormat "%h %l %u %t "%r " %>s %b %{CACHE_MISS}e" common-cache CustomLog logs/access_log common-cache mod_cache will run We can also see that there is a section that reloads Apache after the rotation: postrotate /etc/init.d/apache2 reload > /dev/null endscript These lines make sure that apache is reloaded automatically whenever In general it is a good idea to always use forward slashes throughout the configuration files.

It is especially useful because it can be configured to keep a symbolic link to the latest copy of the logs. http://lanprolab.net/apache-error/apache-error-500-619.php Some examples are presented in the next sections. Logs are written in a customizable format, and may be written directly to a file, or to an external program. Therefore, it will not affect subsequent TransferLog directives.

This string is used to log each request to the log file. In this way, if you are troubleshooting a problem with just one particular module, you can turn up its logging volume without also getting the details of other modules that you're Instead, this is a label for a custom format that is defined in the default configuration file. http://lanprolab.net/apache-error/apache-error-oci-dll.php I don’t think it is a good idea to leave mod_forensics enabled on a production server because excessive logging decreases performance.The chances of catching the offending request with mod_forensics are good

BufferedLogs Directive Description:Buffer log entries in memory before writing to disk Syntax:BufferedLogs On|Off Default:BufferedLogs Off Context:server config Status:Base Module:mod_log_config The BufferedLogs directive causes mod_log_config to store several log entries in Real-time monitoring sounds fancy, but unless an effort is made to turn it into a useful tool, it can do more harm than good. In addition to this, third-party modules may provide logging capabilities, or inject entries into the existing log files, and applications such as CGI programs, or PHP scripts, or other handlers, may

Well, some people believe in the opposite.

Other application engines may provide similar support. The information that you have logged can be used to troubleshoot problems and anticipate when actions need to be taken. It is often easier to simply post-process the log files to remove requests that you do not want to consider. Later, you will find recommendations for the treatment of application logs; such treatment can be equally applied to the audit log.The audit engine of mod_security supports several logging levels (configured with

Use Table 8-8 as a guideline.Table 8-8. Logging strategy choices Logging strategy Situations when strategy is appropriate Writing logs to the filesystem When there is only one machine or where each machine stands That depends on your situation and no single perfect solution exists. It's not the same as a unified parsable logfile, but it's something. –muffinista May 6 '11 at 16:31 add a comment| 4 Answers 4 active oldest votes up vote 7 down get redirected here It uses "CustomLog" to specify the access.log location: CustomLog ${APACHE_LOG_DIR}/access.log combined This directive takes the following syntax: CustomLog log_location log_format The log format in this example is "combined".

CustomLog "||/usr/bin/logger -t apache -i -p local5.notice" combine The error log can be appended to syslog using the following statement: ErrorLog syslog:local6 More info on the Errorlog: http://httpd.apache.org/docs/2.2/mod/core.html#errorlog More info on On Unix systems it is also possible to have the server send errors to syslog or pipe them to a program.