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Disable Apache modules that IP.Board don't need.


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Hey,

Just wanted to ask if someone could give some good pointer on which modules I can disable to increase the performance of my Apache Web Server:


LoadModule authn_file_module modules/mod_authn_file.so

LoadModule authn_dbm_module modules/mod_authn_dbm.so

LoadModule authn_anon_module modules/mod_authn_anon.so

LoadModule authn_dbd_module modules/mod_authn_dbd.so

LoadModule authn_default_module modules/mod_authn_default.so

LoadModule authz_host_module modules/mod_authz_host.so

LoadModule authz_groupfile_module modules/mod_authz_groupfile.so

LoadModule authz_user_module modules/mod_authz_user.so

LoadModule authz_dbm_module modules/mod_authz_dbm.so

LoadModule authz_owner_module modules/mod_authz_owner.so

LoadModule authnz_ldap_module modules/mod_authnz_ldap.so

LoadModule authz_default_module modules/mod_authz_default.so

LoadModule auth_basic_module modules/mod_auth_basic.so

LoadModule auth_digest_module modules/mod_auth_digest.so

LoadModule file_cache_module modules/mod_file_cache.so

LoadModule cache_module modules/mod_cache.so

LoadModule disk_cache_module modules/mod_disk_cache.so

LoadModule mem_cache_module modules/mod_mem_cache.so

LoadModule dbd_module modules/mod_dbd.so

LoadModule dumpio_module modules/mod_dumpio.so

LoadModule ext_filter_module modules/mod_ext_filter.so

LoadModule include_module modules/mod_include.so

LoadModule filter_module modules/mod_filter.so

LoadModule substitute_module modules/mod_substitute.so

LoadModule deflate_module modules/mod_deflate.so

LoadModule ldap_module modules/mod_ldap.so

LoadModule log_config_module modules/mod_log_config.so

LoadModule log_forensic_module modules/mod_log_forensic.so

LoadModule logio_module modules/mod_logio.so

LoadModule env_module modules/mod_env.so

LoadModule mime_magic_module modules/mod_mime_magic.so

LoadModule cern_meta_module modules/mod_cern_meta.so

LoadModule expires_module modules/mod_expires.so

LoadModule headers_module modules/mod_headers.so

LoadModule ident_module modules/mod_ident.so

LoadModule usertrack_module modules/mod_usertrack.so

LoadModule unique_id_module modules/mod_unique_id.so

LoadModule setenvif_module modules/mod_setenvif.so

LoadModule version_module modules/mod_version.so

LoadModule proxy_module modules/mod_proxy.so

LoadModule proxy_connect_module modules/mod_proxy_connect.so

LoadModule proxy_ftp_module modules/mod_proxy_ftp.so

LoadModule proxy_http_module modules/mod_proxy_http.so

LoadModule proxy_scgi_module modules/mod_proxy_scgi.so

LoadModule proxy_ajp_module modules/mod_proxy_ajp.so

LoadModule proxy_balancer_module modules/mod_proxy_balancer.so

LoadModule ssl_module modules/mod_ssl.so

LoadModule mime_module modules/mod_mime.so

LoadModule dav_module modules/mod_dav.so

LoadModule status_module modules/mod_status.so

LoadModule autoindex_module modules/mod_autoindex.so

LoadModule asis_module modules/mod_asis.so

LoadModule info_module modules/mod_info.so

LoadModule suexec_module modules/mod_suexec.so

LoadModule cgi_module modules/mod_cgi.so

LoadModule cgid_module modules/mod_cgid.so

LoadModule dav_fs_module modules/mod_dav_fs.so

LoadModule vhost_alias_module modules/mod_vhost_alias.so

LoadModule negotiation_module modules/mod_negotiation.so

LoadModule dir_module modules/mod_dir.so

LoadModule imagemap_module modules/mod_imagemap.so

LoadModule actions_module modules/mod_actions.so

LoadModule speling_module modules/mod_speling.so

LoadModule userdir_module modules/mod_userdir.so

LoadModule alias_module modules/mod_alias.so

LoadModule rewrite_module modules/mod_rewrite.so

Found a list for WordPress to keep enabled:


LoadModule authz_host_module modules/mod_authz_host.so

LoadModule log_config_module modules/mod_log_config.so

LoadModule expires_module modules/mod_expires.so

LoadModule deflate_module modules/mod_deflate.so

LoadModule headers_module modules/mod_headers.so

LoadModule setenvif_module modules/mod_setenvif.so

LoadModule mime_module modules/mod_mime.so

LoadModule autoindex_module modules/mod_autoindex.so

LoadModule dir_module modules/mod_dir.so

LoadModule alias_module modules/mod_alias.so

LoadModule rewrite_module modules/mod_rewrite.so

LoadModule negotiation_module modules/mod_negotiation.so


Can this be enough for making IP.Board run perfectly?

Birger :)

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This is what I recommend:

Do a Google search on each module and find out what each one of them are. If it seems like something that would be helpful, keep it. If not, remove it. A few of these modules have to do with rewriting url's, compressing output to the client (gzip, deflate), and caching files to speed up requests. Removing modules blindly, even if it's recommended for WordPress, is not such a good idea. Getting an understanding of what each module is will help you in the short and long term.

One thing to recommend is using FastCGI over mod_php. There is a short video that I found somewhere a while back that explains why fast cgi is better for performace verses mod_php... don't know where it is now. The sum up version is this: With mod_php (and Apache module, like those you listed above) PHP and all it's plugins are loaded into memory for every Apache request. This includes images and other non-php files as well even though PHP is not being used. This is not memory friendly. FastCGI is a service that Apache can hand php requests off to, which means that other requets like images, css files, and javascript files do not load PHP into memory. Definietly something you should look into.

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Regardless of what you have, I find that mod_fcgid is incredibly easy to get working. If you've compiled Apache before you literally copy the mod_fcgid source tree on top of Apache and run "./buildconf". Then you compile Apache like you normally would with the "--enable-fcgid" option in your ./configure options.

And assuming you've compiled PHP5 with the "--enable-fastcgi" option in it's ./configure, you can add this to Apache's configuration:

<Files ~ (.php)>

Options +ExecCGI

</Files>


AddHandler fcgid-script .php

FCGIWrapper /usr/local/bin/php-cgi .php



There may be some things you want to additionally configure, but that's how you'd get it working on a base install.

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  • 9 months later...

I already have FastCGI installed and working in Apache (use it for an ad-management app for another site).

Would this work for just pushing .php scripts at FastCGI - if I plonk it at the end of apache2.conf?

<Files ~ (.php)>
Options +ExecCGI
AddHandler fcgid-script .php
FCGIWrapper /usr/bin/php-cgi .php
</Files>

Cheers,
Shaun :D

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  • 3 years later...

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