Link to home
Start Free TrialLog in
Avatar of Richardsoet
Richardsoet

asked on

WebSphere with GZIP

How do i  enable gzip compression within a WebSphere environment(IBM HTTP Server 1.3.28 (WebSphere 5.1)

If there are compartible , could you please run me through step by step on how to configure this.


Am trying to do this on Windows 2000 on SQL Database if this will help you to find the right answer for me.


Pls Note :this is the second time publishing this question , no response are there any Experts in the house?  pls reply
Avatar of Richardsoet
Richardsoet

ASKER

I have asked this question on Web arena , over two days no one from the Expert get back to me that is why i tried this arena
Im using the filter from orion server, its working but with warning, may be you can solve it and let me know :)
http://www.orionserver.com/tutorials/filters/5.html

Another way is to add in module such as mod_gzip (http://www.schroepl.net/projekte/mod_gzip/) to the HTTP server.

Regards,
Boon Leng
That links doesn't explain how to configure qzip with IBM WebShere
ASKER CERTIFIED SOLUTION
Avatar of JackOfAll1
JackOfAll1
Flag of United States of America image

Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
Will that configuration mentioned above enable gzip compression within a WebSphere environment(IBM HTTP Server 1.3.28 (WebSphere 5.1)
To enable gzip  for IBM Webpshere

do i need to call the property name gzip and what will be the value , i dont understand,

could you please tell me what the entry will be when enabling gzip compression within WebSphere 5.1
Sorry for the quick posts.  Life is nuts here today.

The following are additional HTTP transport properties that can be configured:
com.ibm.websphere.webservices.http.requestContentEncoding
This property specifies the type of encoding to use in the message of each HTTP outbound request. Supported encoding formats follow the HTTP 1.1 protocol specification including gzip, x-gzip, and deflate. If this property is configured, the headers "Content-Encoding" and "Accept-Encoding" in the HTTP request are also set to the same value. For example, if the property is set to gzip, the headers become Content-Encoding: gzip and Accept-Encoding: gzip. However, if the property is not set, the HTTP request message is not encoded. The default is no encoding.

You should check if the target Web server is capable of decoding the configured coding format. For example, if the property is set to gzip, the target Web server must also support the gzip encoding. Otherwise, a failure can occur and a status code of 415 Unsupported Media Type might display.

The compress encoding format is not supported and x-gzip encoding is equivalent to gzip encoding.

Data type String
Valid values gzip, x-gzip, and deflate

com.ibm.websphere.webservices.http.responseContentEncoding
This property specifies the type of encoding to be used in the message of each HTTP response. Supported encoding formats follow the HTTP 1.1 protocol specification including gzip, x-gzip, and deflate. If this property is configured, the headers "Content-Encoding" in the HTTP response is set to the same value. If the property is not set, the HTTP response message content is not encoded. The default value is no encoding.

If the property is set, the request client must also support the same encoding. Otherwise, a failure can occur and a WebServicesFault() error displays.

The compress encoding format is not supported and x-gzip encoding is equivalent to gzip encoding.

Data type String
Valid values gzip, x-gzip, or deflate

Enclosed a copy of my httpd.conf
I have also placed ApacheModuleGzip.dll in Modules folder .
I still can not enable gzip compression within a WebSphere environment(IBM HTTP Server 1.3.28 (WebSphere 5.1)
Please advice what am doing wrong.Working on Windows 2000 platform

ServerName ldn-pts-web
# This is the main server configuration file. See URL http://www.apache.org/
# for instructions.

# Do NOT simply read the instructions in here without understanding
# what they do, if you are unsure consult the online docs. You have been
# warned.

# Originally by Rob McCool

# Note: Where filenames are specified, you must use forward slashes
# instead of backslashes. e.g. "c:/apache" instead of "c:\apache". If
# the drive letter is ommited, the drive where Apache.exe is located
# will be assumed

# this is a True Config File
# see http://www.apache.org/info/three-config-files.html

# ResourceConfig /dev/null
# AccessConfig /dev/null

# ServerType must be standalone.

ServerType standalone

# ServerRoot: The directory the server's config, error, and log files
# are kept in

ServerRoot "C:\Program Files\IBMHttpServer"

#
# The following lists extra modules that can be uncommented to be loaded
# to enable extra functionality.  See the manual
# (http://www.apache.org/docs/mod/) for details on the functionality
# of each module.
#
#LoadModule anon_auth_module modules/ApacheModuleAuthAnon.dll
#LoadModule cern_meta_module modules/ApacheModuleCERNMeta.dll
#LoadModule expires_module modules/ApacheModuleExpires.dll
#LoadModule headers_module modules/ApacheModuleHeaders.dll
#LoadModule speling_module modules/ApacheModuleSpeling.dll
#LoadModule status_module modules/ApacheModuleStatus.dll
#LoadModule usertrack_module modules/ApacheModuleUserTrack.dll
#LoadModule proxy_module modules/ApacheModuleProxy.dll
 

LoadModule gzip_module modules/ ApacheModuleGzip.dll




# Port: The port the standalone listens to.
Port 80

AfpaEnable
AfpaCache on
AfpaLogFile "C:\Program Files\IBMHttpServer/logs/afpalog" V-ECLF

# HostnameLookups: Log the names of clients or just their IP numbers
#   e.g.   www.apache.org (on) or 204.62.129.132 (off)
# The default is off because it'd be overall better for the net if people
# had to knowingly turn this feature on.

HostnameLookups off

# If you wish httpd to run as a different user or group, you must run
# httpd as root initially and it will switch.
# ServerAdmin: Your address, where problems with the server should be
# e-mailed.

ServerAdmin you@your.address

# BindAddress: You can support virtual hosts with this option. This option
# is used to tell the server which IP address to listen to. It can either
# contain "*", an IP address, or a fully qualified Internet domain name.
# See also the VirtualHost directive.

#BindAddress *

# ErrorLog: The location of the error log file. If this does not start
# with /, ServerRoot is prepended to it.

ErrorLog logs/error.log

# LogLevel: Control the number of messages logged to the error.log.
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.

LogLevel warn

# The following directives define some format nicknames for use with
# a CustomLog directive (see below).

LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent

# The location of the access logfile (Common Logfile Format).
# If this does not start with /, ServerRoot is prepended to it.

CustomLog logs/access.log common

# If you would like to have an agent and referer logfile uncomment the
# following directives.

#CustomLog logs/referer.log referer
#CustomLog logs/agent.log agent

# If you prefer a single logfile with access, agent and referer information
# (Combined Logfile Format) you can use the following directive.

#CustomLog logs/access.log combined

# PidFile: The file the server should log its pid to
PidFile logs/httpd.pid

# ScoreBoardFile: File used to store internal server process information.
# Not all architectures require this.  But if yours does (you'll know because
# this file is created when you run Apache) then you *must* ensure that
# no two invocations of Apache share the same scoreboard file.
ScoreBoardFile logs/apache_status

# ServerName allows you to set a host name which is sent back to clients for
# your server if it's different than the one the program would get (i.e. use
# "www" instead of the host's real name).
#
# Note: You cannot just invent host names and hope they work. The name you
# define here must be a valid DNS name for your host. If you don't understand
# this, ask your network administrator.

#ServerName new.host.name

# UseCanonicalName:  (new for 1.3)  With this setting turned on, whenever
# Apache needs to construct a self-referencing URL (a url that refers back
# to the server the response is coming from) it will use ServerName and
# Port to form a "canonical" name.  With this setting off, Apache will
# use the hostname:port that the client supplied, when possible.  This
# also affects SERVER_NAME and SERVER_PORT in CGIs.
UseCanonicalName on

# CacheNegotiatedDocs: By default, Apache sends Pragma: no-cache with each
# document that was negotiated on the basis of content. This asks proxy
# servers not to cache the document. Uncommenting the following line disables
# this behavior, and proxies will be allowed to cache the documents.

#CacheNegotiatedDocs

# Timeout: The number of seconds before receives and sends time out

Timeout 300

# KeepAlive: Whether or not to allow persistent connections (more than
# one request per connection). Set to "Off" to deactivate.

KeepAlive On

# MaxKeepAliveRequests: The maximum number of requests to allow
# during a persistent connection. Set to 0 to allow an unlimited amount.
# We reccomend you leave this number high, for maximum performance.

MaxKeepAliveRequests 100

# KeepAliveTimeout: Number of seconds to wait for the next request

KeepAliveTimeout 15

# Apache always creates one child process to handle requests. If it
# dies another child process is created automatically. Within the
# child process multiple threads handle incoming requests. The next two
# directives determine the behaviour of the threads and processes.

# Don't force a server to exit after it has served some number of requests.
# If you do want server's to exit after they have run for a long time (to
# help the system clean up after the process), please set this to a pretty
# large number - like 10,000. What this will do, is, each child server will
# exit after serving 10,000 requests, and another server will take its place.

MaxRequestsPerChild 0

# Number of concurrent threads at a time (set the value to more or less
# depending on the responsiveness you want and the resources you wish
# this server to consume).

ThreadsPerChild 50


# Listen: Allows you to bind Apache to specific IP addresses and/or
# ports, in addition to the default. See also the VirtualHost command

#Listen 3000
#Listen 12.34.56.78:80

# VirtualHost: Allows the daemon to respond to requests for more than one
# server address, if your server machine is configured to accept IP packets
# for multiple addresses. This can be accomplished with the ifconfig
# alias flag, or through kernel patches like VIF.

# Any httpd.conf or srm.conf directive may go into a VirtualHost command.
# See also the BindAddress entry.

#<VirtualHost host.some_domain.com>
#ServerAdmin webmaster@host.some_domain.com
#DocumentRoot /www/docs/host.some_domain.com
#ServerName host.some_domain.com
#ErrorLog logs/host.some_domain.com-error.log
#TransferLog logs/host.some_domain.com-access.log
#</VirtualHost>

# ---------------------------------------------------------------------------
# This section defines server settings which affect which types of services
# are allowed, and in what circumstances.

# Each directory to which Apache has access, can be configured with respect
# to which services and features are allowed and/or disabled in that
# directory (and its subdirectories).

# Note: Where filenames are specified, you must use forward slashes
# instead of backslashes. e.g. "c:/apache" instead of "c:\apache". If
# the drive letter is ommited, the drive where Apache.exe is located
# will be assumed

# First, we configure the "default" to be a very restrictive set of
# permissions.

# Note that from this point forward you must specifically allow
# particular features to be enabled - so if something's not working as
# you might expect, make sure that you have specifically enabled it
# below.

# This should be changed to whatever you set DocumentRoot to.

<Directory "C:\Program Files\IBMHttpServer/htdocs/en_US">

# This may also be "None", "All", or any combination of "Indexes",
# "Includes", "ExecCGI", or "MultiViews".

# Note that "MultiViews" must be named *explicitly* --- "Options All"
# doesn't give it to you.

Options Indexes

# This controls which options the .htaccess files in directories can
# override. Can also be "All", or any combination of "Options", "FileInfo",
# "AuthConfig", and "Limit"

AllowOverride None

# Controls who can get stuff from this server.

order allow,deny
allow from all

</Directory>

# C:\Program Files\IBMHttpServer/cgi-bin should be changed to whatever your ScriptAliased
# CGI directory exists, if you have that configured.

<Directory "C:\Program Files\IBMHttpServer/cgi-bin">
AllowOverride None
Options None
</Directory>

# Allow server status reports, with the URL of http://servername/server-status
# Change the ".your_domain.com" to match your domain to enable.

#<Location /server-status>
#SetHandler server-status

#order deny,allow
#deny from all
#allow from .your_domain.com
#</Location>

# Allow remote server configuration reports, with the URL of
#  http://servername/server-info (requires that mod_info.c be loaded).
# Change the ".your_domain.com" to match your domain to enable.

#<Location /server-info>
#SetHandler server-info

#order deny,allow
#deny from all
#allow from .your_domain.com
#</Location>

# There have been reports of people trying to abuse an old bug from pre-1.1
# days.  This bug involved a CGI script distributed as a part of Apache.
# By uncommenting these lines you can redirect these attacks to a logging
# script on phf.apache.org.  Or, you can record them yourself, using the script
# support/phf_abuse_log.cgi.

#<Location /cgi-bin/phf*>
#deny from all
#ErrorDocument 403 http://phf.apache.org/phf_abuse_log.cgi
#</Location>

# You may place any other directories or locations you wish to have
# access information for after this one.


# --------------------------------------------------------------------------------
# In the following section, you define the name space that users see of your
# http server.  This also defines server settings which affect how requests are
# serviced, and how results should be formatted.

# See the tutorials at http://www.apache.org/ for
# more information.

# Note: Where filenames are specified, you must use forward slashes
# instead of backslashes. e.g. "c:/apache" instead of "c:\apache". If
# the drive letter is ommited, the drive where Apache.exe is located
# will be assumed.

# DocumentRoot: The directory out of which you will serve your
# documents. By default, all requests are taken from this directory, but
# symbolic links and aliases may be used to point to other locations.

DocumentRoot "C:\Program Files\IBMHttpServer/htdocs/en_US"

# UserDir: The name of the directory which is appended onto a user's home
# directory if a ~user request is recieved.
#
# Under Win32, we do not currently try to determine the home directory of
# a Windows login, so one of the forms such as the below needs to be
# used.  See the manual for details.
#
#UserDir "C:\Program Files\IBMHttpServer/users/"

# DirectoryIndex: Name of the file or files to use as a pre-written HTML
# directory index.  Separate multiple entries with spaces.

DirectoryIndex index.html

# FancyIndexing is whether you want fancy directory indexing or standard

FancyIndexing on

# AddIcon tells the server which icon to show for different files or filename
# extensions

AddIconByEncoding (CMP,/icons/compressed.gif) x-compress x-gzip

AddIconByType (TXT,/icons/text.gif) text/*
AddIconByType (IMG,/icons/image2.gif) image/*
AddIconByType (SND,/icons/sound2.gif) audio/*
AddIconByType (VID,/icons/movie.gif) video/*

AddIcon /icons/binary.gif .bin .exe
AddIcon /icons/binhex.gif .hqx
AddIcon /icons/tar.gif .tar
AddIcon /icons/world2.gif .wrl .wrl.gz .vrml .vrm .iv
AddIcon /icons/compressed.gif .Z .z .tgz .gz .zip
AddIcon /icons/a.gif .ps .ai .eps
AddIcon /icons/layout.gif .html .shtml .htm .pdf
AddIcon /icons/text.gif .txt
AddIcon /icons/c.gif .c
AddIcon /icons/p.gif .pl .py
AddIcon /icons/f.gif .for
AddIcon /icons/dvi.gif .dvi
AddIcon /icons/uuencoded.gif .uu
AddIcon /icons/script.gif .conf .sh .shar .csh .ksh .tcl
AddIcon /icons/tex.gif .tex
AddIcon /icons/bomb.gif core

AddIcon /icons/back.gif ..
AddIcon /icons/hand.right.gif README
AddIcon /icons/folder.gif ^^DIRECTORY^^
AddIcon /icons/blank.gif ^^BLANKICON^^

# DefaultIcon is which icon to show for files which do not have an icon
# explicitly set.

DefaultIcon /icons/unknown.gif

# AddDescription allows you to place a short description after a file in
# server-generated indexes.
# Format: AddDescription "description" filename

# ReadmeName is the name of the README file the server will look for by
# default. Format: ReadmeName name
#
# The server will first look for name.html, include it if found, and it will
# then look for name and include it as plaintext if found.
#
# HeaderName is the name of a file which should be prepended to
# directory indexes.

ReadmeName README
HeaderName HEADER

# IndexIgnore is a set of filenames which directory indexing should ignore
# Format: IndexIgnore name1 name2...

IndexIgnore .??* *~ *# HEADER* README* RCS

# AccessFileName: The name of the file to look for in each directory
# for access control information.

AccessFileName .htaccess

# The following lines prevent .htaccess files from being viewed by
# Web clients.  Since .htaccess files often contain authorization
# information, access is disallowed for security reasons.  Comment
# these lines out if you want Web visitors to see the contents of
# .htaccess files.  If you change the AccessFileName directive above,
# be sure to make the corresponding changes here.

<Files .htaccess>
order allow,deny
deny from all
</Files>

# TypesConfig describes where the mime.types file (or equivalent) is
# to be found.

TypesConfig conf/mime.types

# DefaultType is the default MIME type for documents which the server
# cannot find the type of from filename extensions.

DefaultType text/plain

# AddEncoding allows you to have certain browsers (Mosaic/X 2.1+) uncompress
# information on the fly. Note: Not all browsers support this.

AddEncoding x-compress Z
AddEncoding x-gzip gz
AddEncoding gzip .gz
# AddLanguage allows you to specify the language of a document. You can
# then use content negotiation to give a browser a file in a language
# it can understand.  Note that the suffix does not have to be the same
# as the language keyword --- those with documents in Polish (whose
# net-standard language code is pl) may wish to use "AddLanguage pl .po"
# to avoid the ambiguity with the common suffix for perl scripts.

AddLanguage en .en
AddLanguage fr .fr
AddLanguage de .de
AddLanguage it .it
AddLanguage ko .ko
AddLanguage es .es
AddLanguage ja .ja
AddLanguage zh-CN .cn
AddLanguage zh-TW .tw
AddLanguage pt-BR .pt







mod_gzip_on Yes
mod_gzip_can_negotiate Yes
mod_gzip_static_suffix .gz
AddEncoding gzip .gz
mod_gzip_update_static No
mod_gzip_command_version '/mod_gzip_status'
mod_gzip_temp_dir /home/modgziptmp
mod_gzip_keep_workfiles No
mod_gzip_minimum_file_size 500
mod_gzip_maximum_file_size 500000
mod_gzip_maximum_inmem_size 60000
mod_gzip_min_http 1000
mod_gzip_handle_methods GET POST
mod_gzip_item_exclude reqheader "User-agent: Mozilla/4.0[678]"
mod_gzip_item_include file .html$
mod_gzip_item_include file .shtml$
mod_gzip_item_include file .htm$
mod_gzip_item_include file .shtm$
mod_gzip_item_include file .php$
mod_gzip_item_include file .phtml$
mod_gzip_item_exclude file .js$
mod_gzip_item_exclude file .css$
mod_gzip_item_include file .pl$
mod_gzip_item_include handler ^cgi-script$
mod_gzip_item_include mime ^text/html$
mod_gzip_item_include mime ^text/plain$
mod_gzip_item_include mime ^httpd/unix-directory$
mod_gzip_item_exclude mime ^image/
mod_gzip_dechunk Yes
mod_gzip_add_header_count Yes
mod_gzip_send_vary Yes


# LanguagePriority allows you to give precedence to some languages
# in case of a tie during content negotiation.
# Just list the languages in decreasing order of preference.

LanguagePriority en

# Redirect allows you to tell clients about documents which used to exist in
# your server's namespace, but do not anymore. This allows you to tell the
# clients where to look for the relocated document.
# Format: Redirect fakename url


# Aliases: Add here as many aliases as you need (with no limit). The format is
# Alias fakename realname

# Note that if you include a trailing / on fakename then the server will
# require it to be present in the URL.  So "/icons" isn't aliased in this
# example.

Alias /icons/ "C:\Program Files\IBMHttpServer/icons/"

# ScriptAlias: This controls which directories contain server scripts.
# Format: ScriptAlias fakename realname

ScriptAlias /cgi-bin/ "C:\Program Files\IBMHttpServer/cgi-bin/"

# If you want to use server side includes, or CGI outside
# ScriptAliased directories, uncomment the following lines.

# AddType allows you to tweak mime.types without actually editing it, or to
# make certain files to be certain types.
# Format: AddType type/subtype ext1

# For example, the PHP3 module (not part of the Apache distribution)
# will typically use:
#AddType application/x-httpd-php3 .phtml
#AddType application/x-httpd-php3-source .phps

# AddHandler allows you to map certain file extensions to "handlers",
# actions unrelated to filetype. These can be either built into the server
# or added with the Action command (see below)
# Format: AddHandler action-name ext1

# To use CGI scripts:
#AddHandler cgi-script .cgi

# To use server-parsed HTML files
#AddType text/html .shtml
#AddHandler server-parsed .shtml

# Uncomment the following line to enable Apache's send-asis HTTP file
# feature
#AddHandler send-as-is asis

# If you wish to use server-parsed imagemap files, use
#AddHandler imap-file map

# To enable type maps, you might want to use
#AddHandler type-map var

# Action lets you define media types that will execute a script whenever
# a matching file is called. This eliminates the need for repeated URL
# pathnames for oft-used CGI file processors.
# Format: Action media/type /cgi-script/location
# Format: Action handler-name /cgi-script/location

# MetaDir: specifies the name of the directory in which Apache can find
# meta information files. These files contain additional HTTP headers
# to include when sending the document

#MetaDir .web

# MetaSuffix: specifies the file name suffix for the file containing the
# meta information.

#MetaSuffix .meta

# Customizable error response (Apache style)
#  these come in three flavors
#
#    1) plain text
#ErrorDocument 500 "The server made a boo boo.
#  n.b.  the (") marks it as text, it does not get output
#
#    2) local redirects
#ErrorDocument 404 /missing.html
#  to redirect to local url /missing.html
#ErrorDocument 404 /cgi-bin/missing_handler.pl
#  n.b. can redirect to a script or a document using server-side-includes.
#
#    3) external redirects
#ErrorDocument 402 http://some.other_server.com/subscription_info.html
#

# The following directives disable keepalives and HTTP header flushes.
# The first directive disables it for Netscape 2.x and browsers which
# spoof it. There are known problems with these.
# The second directive is for Microsoft Internet Explorer 4.0b2
# which has a broken HTTP/1.1 implementation and does not properly
# support keepalive when it is used on 301 or 302 (redirect) responses.

BrowserMatch "Mozilla/2" nokeepalive
BrowserMatch "MSIE 4\.0b2;" nokeepalive downgrade-1.0 force-response-1.0

# The following directive disables HTTP/1.1 responses to browsers which
# are in violation of the HTTP/1.0 spec by not being able to grok a
# basic 1.1 response.

BrowserMatch "RealPlayer 4\.0" force-response-1.0
BrowserMatch "Java/1\.0" force-response-1.0
BrowserMatch "JDK/1\.0" force-response-1.0

# Page to display indicating the Administration Server is not installed
<files apadminred.html>
ErrorDocument 404 /9ainterim.htm
</files>
Is there any body in the house who has an answer to my question please.

I have sent the above htto.conf file , could someone in the house let me know how i can get this working.
Could somebody run through step by step procedure on how to enable gzip within WebSphere 5.1 , bear in mind that am running on IBM HTTP Server 2.0.42. On Windows 2000 platform.

I will prefer step by step  procedure changes in http config file that needs changes and steps to take to test if gzip is enabled. i mean where to navigate to to know that gzip is running.

I will prefer set by step procedure rather than links that doesn,t seems to help me .

Expert i will be expecting your comment . thanks
Good Day Web Team,


It seems you are finding it difficult to solve my problem.

I haven't received concreate answer since publish this question out.

My question is how to bind gzip compression file with Webshere 5.1 on IBM HTTP Server 2.0.42.2.

Is there any changes that needs to be made in Admin Console to enable gzip .if there is any could you please hight what needs to be done step by step please .

Once again am running on Webshere 5.1 , IBM HTTP server 2.0.42.2, on windowns 2000
Hi,

In apache 2.0 you should use moddeflate insteadof modgzip.

in the file httpd.conf change the following to your actual file:

uncomment this module
#LoadModule headers_module modules/ApacheModuleHeaders.dll

like this

LoadModule headers_module modules/ApacheModuleHeaders.dll


Enable the module mod_deflate

Comment this line
#LoadModule gzip_module modules/ ApacheModuleGzip.dll

put this after the LoadModule section:

<Location />

# Insert filter
SetOutputFilter DEFLATE

# Netscape 7.x and FireFox 1.x has some problems...
BrowserMatch ^Mozilla/5 gzip-only-text/html

# Netscape 4.x has some problems...
BrowserMatch ^Mozilla/4 gzip-only-text/html

# Netscape 4.06-4.08 have some more problems
BrowserMatch ^Mozilla/4\.0[678] no-gzip

# MSIE masquerades as Netscape, but it is fine
# BrowserMatch \bMSIE !no-gzip !gzip-only-text/html

# NOTE: Due to a bug in mod_setenvif up to Apache 2.0.48
# the above regex won't work. You can use the following
# workaround to get the desired effect:
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html

# Don't compress images
SetEnvIfNoCase Request_URI \
\.(?:gif|jpe?g|png|pdf|css|js)$ no-gzip dont-vary


# Make sure proxies don't deliver the wrong content
Header append Vary User-Agent env=!dont-vary

</Location>


I don'k know how exactly is the name of the mod_deflate dll since I put this to work in WAS 5.1/Apache 2.0 in unix