cPanel & WHM no longer develops or updates EasyApache 3. We deprecated EasyApache 3 on December 31, 2018. We removed support for EasyApache 3 in cPanel & WHM version 78.
Apache Module: DumpIO - EasyApache - cPanel Documentation
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Overview

The mod_dumpio Apache module directs Apache to save all Apache output into the /usr/local/apache/logs/error_log file. 

Usage

Use this module to debug Apache issues. This module enables you to log all data sent to or received by Apache to be logged to the error_log file.

Important:

  • This module generates a large amount of data in the error_log file.
  • We do not recommend that you install this module unless you need to debug Apache.
  • If you enable this module, Apache will log all inbound data requests after it decodes the SSL, and all outbound data before Apache encodes SSL.


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Important:

EasyApache 3 does not support new installations of Tomcat.

As of cPanel & WHM version 76, EasyApache 4 now supports Tomcat 8.5. For more information, read our Tomcat documentation.

Requirements

This module has no requirements.

Compatibility

This module has no known compatibility issues.

How to install or uninstall mod_dumpio

Module status in default profiles

The default EasyApache profiles do not provide the mod_dumpio Apache module by default.

Installation steps

To install or uninstall the mod_dumpio Apache module, perform the following steps:

  1. Run EasyApache in WHM's EasyApache 3 interface (Home >> Software >> EasyApache 3).

    Notes:

    • To access EasyApache from the command line interface, run the /scripts/easyapache script as the root user.
    • For more information on EasyApache, read our EasyApache documentation.
  2. Select the profile that you wish to modify.

  3. Click the  icon that corresponds to your selection.

  4. Click Next Step in the Apache Version stage.
  5. Click Next Step in the PHP Version stage.
  6. Click Exhaustive Options List in the Short Options List stage.
  7. Perform one of the following actions in the Exhaustive Options List stage:
    • To install the mod_dumpio Apache module, select the DumpIO option.

      Note:

      If you select this option, EasyApache adds --enable-dumpio to Apache's build options.

    • To uninstall the mod_dumpio Apache module, deselect the DumpIO option.
  8. Click Save and Build.

How to enable or disable the module in a custom EasyApache profile file

The following table provides information about how EasyApache refers to the mod_dumpio Apache module: 

EasyApache module namemod_dumpio
EasyApache Profile EntryApache:optmods:Dumpio

To enable or disable the mod_dumpio Apache module in a custom EasyApache profile file, set the Apache:optmods:Dumpio profile entry to one of the following values:

  • 1 – This value enables the module.
  • 0 – This value disables the module.

History

The following table provides information on changes to the mod_dumpio Apache module within EasyApache, and content changes to this document:

DateEasyApache versionActionDetails
2/11/20143.24.11Doc updateImplemented case 73225: Remove Apache 1.3 and 2.0
1/31/20133.18.0Doc updateImplemented case 51105: Update for Apache 2.4

Vendor documentation

The following text is an excerpt from Apache's website:

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.

For more information on the mod_dumpio Apache module, read the following documentation:

Apache versionDocumentation
2.2Apache module mod_dumpio
2.4Apache Module mod_dumpio