Logging (The Polipo Manual)

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#### 2.1.3 Logging

When it encounters a difficulty, Polipo will print a friendly message. The location where these messages go is controlled by the configuration variables `logFile` and `logSyslog`. If `logSyslog` is `true`, error messages go to the system log facility given by `logFacility`. If `logFile` is set, it is the name of a file where all output will accumulate. If `logSyslog` is `false` and `logFile` is empty, messages go to the error output of the process (normally the terminal).

The variable `logFile` defaults to empty if `daemonise` is false, and to ‘`/var/log/polipo`’ otherwise. The variable `logSyslog` defaults to `false`, and `logFacility` defaults to ‘`user`’.

If `logFile` is set, then the variable `logFilePermissions` controls the Unix permissions with which the log file will be created if it doesn’t exist. It defaults to 0640.

The amount of logging is controlled by the variable `logLevel`. Please see the file ‘`log.h`’ in the Polipo sources for the possible values of `logLevel`.

Keeping extensive logs on your users browsing habits is probably a serere violation of their privacy. If the variable `scrubLogs` is set, then Polipo will scrub most, if not all, private information from its logs.