MODGZIP2DLF.IN(1)

Hey bestie 💖 welcome to MODGZIP2DLF.IN(1) from LogReport's Lire Documentation — this is the page where we turn those mod_gzip-flavored web server logs into DLF, and yes, it's giving niche-but-useful main character energy ✨.

🌸 NAME 🌸

modgzip2dlf — convert Common Log Format with mod_gzip extensions web server log files to DLF.

✨ SYNOPSIS ✨

modgzip2dlf file

🎀 DESCRIPTION 🎀

Okay so modgzip2dlf converts a 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

🔥 SEE ALSO 🔥

common2dlf(1), combined(2), referer2dlf(1) — go read these too 👀

👑 AUTHORS 👑

Joost van Baal <joostvb@logreport.org>, Francis J. Lacoste <flacoste@logreport.org> and Egon Willighagen <egonw@logreport.org>, based on an idea by Edwin Groothuis.

⭐ VERSION ⭐

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

💖 COPYRIGHT 💖

Copyright (C) 2000, 2001 Stichting LogReport Foundation

LogReport@LogReport.org

Legal bit, bestie, but important 🫶:

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with http://www.gnu.org/copyleft/gpl.html.

mwah 💋 — MODGZIP2DLF.IN(1) is from Lire 2.1.1, dated 2025-09-28.