Squid configuration directive access_log
Available in: v7 v6 v5 v4 3.5 3.4 3.3 3.2 2.7 3.1 3.0 2.6
For older versions than v4 see the linked pages above
Configuration Details:
Option Name: | access_log |
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Replaces: | cache_access_log |
Requires: | |
Default Value: | daemon:/usr/local/squid/var/logs/access.log squid |
Suggested Config: |
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Configures whether and how Squid logs HTTP and ICP transactions. If access logging is enabled, a single line is logged for every matching HTTP or ICP request. The recommended directive formats are: access_log <module>:<place> [option ...] [acl acl ...] access_log none [acl acl ...] The following directive format is accepted but may be deprecated: access_log <module>:<place> [<logformat name> [acl acl ...]] In most cases, the first ACL name must not contain the '=' character and should not be equal to an existing logformat name. You can always start with an 'all' ACL to work around those restrictions. Will log to the specified module:place using the specified format (which must be defined in a logformat directive) those entries which match ALL the acl's specified (which must be defined in acl clauses). If no acl is specified, all requests will be logged to this destination. ===== Available options for the recommended directive format ===== logformat=name Names log line format (either built-in or defined by a logformat directive). Defaults to 'squid'. buffer-size=64KB Defines approximate buffering limit for log records (see buffered_logs). Squid should not keep more than the specified size and, hence, should flush records before the buffer becomes full to avoid overflows under normal conditions (the exact flushing algorithm is module-dependent though). The on-error option controls overflow handling. on-error=die|drop Defines action on unrecoverable errors. The 'drop' action ignores (i.e., does not log) affected log records. The default 'die' action kills the affected worker. The drop action support has not been tested for modules other than tcp. rotate=N Specifies the number of log file rotations to make when you run 'squid -k rotate'. The default is to obey the logfile_rotate directive. Setting rotate=0 will disable the file name rotation, but the log files are still closed and re-opened. This will enable you to rename the logfiles yourself just before sending the rotate signal. Only supported by the stdio module. ===== Modules Currently available ===== none Do not log any requests matching these ACL. Do not specify Place or logformat name. stdio Write each log line to disk immediately at the completion of each request. Place: the filename and path to be written. daemon Very similar to stdio. But instead of writing to disk the log line is passed to a daemon helper for asychronous handling instead. Place: varies depending on the daemon. log_file_daemon Place: the file name and path to be written. syslog To log each request via syslog facility. Place: The syslog facility and priority level for these entries. Place Format: facility.priority where facility could be any of: authpriv, daemon, local0 ... local7 or user. And priority could be any of: err, warning, notice, info, debug. udp To send each log line as text data to a UDP receiver. Place: The destination host name or IP and port. Place Format: //host:port tcp To send each log line as text data to a TCP receiver. Lines may be accumulated before sending (see buffered_logs). Place: The destination host name or IP and port. Place Format: //host:port Default: access_log daemon:/usr/local/squid/var/logs/access.log squid |
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