modgzip2dlf(1)

modgzip2dlf1

Convert common log format with mod_gzip extensions web server log files to dlf

Usage

modgzip2dlf file

Overview

modgzip2dlf converts web server log file in the common log format with extensions for mod_gzip to www DLF.

mod_gzip is an Apache extension developed by RemoteCommunications, Inc. Sourcecode is free available from http://www.RemoteCommunications.com/apache/mod_gzip/mod_gzip. More informations can be found at http://www.RemoteCommunications.com/apache/mod_gzip/mod_gzip_faq.htm.

mod_gzip can log informations about the compression of pages by configuring Apache to log using the 'gzip' format which can be defined as follows:

 LogFormat "%h %l %u %t \"%r\" %>s %b %{mod_gzip_result}n %{mod_gzip_compression_ratio}n" gzip

Mod_gzip extensions

The mod_gzip extensions adds two fields to the Common Log Format; see common2dlf(1):

  gzip_result compression_ratio
gzip_result

The gzip's result code. Usually OK.

compressio_ratio

The ratio by which the content was compressed. A number from 0 to 100.

Log example :

  127.0.01 - - [11/03/2001 12:12:01 -0400] "GET / HTTP/1.0" 200 252 "-" "Mozilla/5.0" OK 49
  dsl1.myprovider.com - francis [11/03/2001 12:14:01 -0400] "GET /secret/ HTTP/1.0" 200 300 "http://www.example.com/index.html" "Mozilla/5.0" OK 74

Examples

To process a log as produced in the modgzip logformat:

 $ modgzip2dlf < common.log

modgzip2dlf will be rarely used on its own, but is more likely called by lr_log2report:

 $ lr_log2report modgzip < /var/log/httpd/common.log

Version

$Id: modgzip2dlf.in,v 1.10 2006/07/23 13:16:36 vanbaal Exp $

Releases

7 releases since Debian 3.0 (Woody); the text changed 6 times.

  1. 3.0
  2. 3.1
  3. 4.0
  4. 5.0
  5. 6.0
  6. 7
  7. Arch

Authors

Joost van Baal <[email protected]>, Francis J. Lacoste <[email protected]> and Egon Willighagen <[email protected]>, based on an idea by Edwin Groothuis

From lire 2.1.1-8 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.