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The Apache HTTP Server Reference Manual
by Apache Software Foundation
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ISBN 9781906966034
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3.35  Apache Module mod_dumpio



Description:

Dumps all I/O to error log as desired.

Status:

Extension

Module Identifier:

dumpio_module

Source File:

mod_dumpio.c



Summary

mod_dumpio allows for the logging of all input received by Apache and/or all output sent by Apache to be logged (dumped) to the error.log file.

The data logging is done right after SSL decoding (for input) and right before SSL encoding (for output). As can be expected, this can produce extreme volumes of data, and should only be used when debugging problems.

Directives:

DumpIOInput

DumpIOLogLevel

DumpIOOutput

3.35.1  Enabling dumpio Support

To enable the module, it should be compiled and loaded in to your running Apache configuration. Logging can then be enabled or disabled via the below directives.

DumpIOInput Directive

Description:

Dump all input data to the error log

Syntax:

DumpIOInput On|Off

Default:

DumpIOInput Off

Context:

server config

Status:

Extension

Module:

mod_dumpio

Compatibility:

DumpIOInput is only available in Apache 2.1.3 and later.

Enable dumping of all input.

Example

DumpIOInput On

DumpIOLogLevel Directive

Description:

Controls the logging level of the DumpIO output

Syntax:

DumpIOLogLevel level

Default:

DumpIOLogLevel debug

Context:

server config

Status:

Extension

Module:

mod_dumpio

Compatibility:

DumpIOLogLevel is only available in Apache 2.2.4 and later.

Enable dumping of all output at a specific LogLevel level.

Example

DumpIOLogLevel notice

Compatibility Prior to 2.2.4 mod_dumpio would only dump to the log when LogLevel was set to debug

DumpIOOutput Directive

Description:

Dump all output data to the error log

Syntax:

DumpIOOutput On|Off

Default:

DumpIOOutput Off

Context:

server config

Status:

Extension

Module:

mod_dumpio

Compatibility:

DumpIOOutput is only available in Apache 2.1.3 and later.

Enable dumping of all output.

Example

DumpIOOutput On

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