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Problème apache (redirection qui ne fonctionne qu'une fois sur 2)

mirage

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mirage

mirage

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Bonsoir,

J'ai un problème avec mon serveur Apache 2.2 sur Debian Etch (installé via les paquets Debian, Apache est à jour) : celui-ci empêche certaines redirections d'aboutir. Tout ça est aléatoire, ça ne le fait qu'une fois sur 2, sans raison apparente.

Je n'ai à priori rien modifié dans les fichiers de configuration ces derniers jours, je ne sais pas du tout d'où ça peut venir.

Un exemple : http://www.aeroweb-fr.net/aeroclubs/index.php (cliquez sur plusieurs des liens, vous verrez que sur certaines redirections, on revient sur la page précédente).

Voici mon apache2.conf :

### Section 1: Global Environment
#
# The directives in this section affect the overall operation of Apache,
# such as the number of concurrent requests it can handle or where it
# can find its configuration files.
#

#
# ServerRoot: The top of the directory tree under which the server's
# configuration, error, and log files are kept.
#
# NOTE!  If you intend to place this on an NFS (or otherwise network)
# mounted filesystem then please read the LockFile documentation (available
# at <URL:http://httpd.apache.org/docs-2.1/mod/mpm_common.html#lockfile>);
# you will save yourself a lot of trouble.
#
# Do NOT add a slash at the end of the directory path.
#
ServerRoot "/etc/apache2"

#
# The accept serialization lock file MUST BE STORED ON A LOCAL DISK.
#
#<IfModule !mpm_winnt.c>
#<IfModule !mpm_netware.c>
LockFile /var/lock/apache2/accept.lock
#</IfModule>
#</IfModule>

#
# PidFile: The file in which the server should record its process
# identification number when it starts.
#
PidFile /var/run/apache2.pid

#
# Timeout: The number of seconds before receives and sends time out.
#
Timeout 60

#
# 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 recommend you leave this number high, for maximum performance.
#
MaxKeepAliveRequests 100

#
# KeepAliveTimeout: Number of seconds to wait for the next request from the
# same client on the same connection.
#
KeepAliveTimeout 15

##
## Server-Pool Size Regulation (MPM specific)
##

# prefork MPM
# StartServers: number of server processes to start
# MinSpareServers: minimum number of server processes which are kept spare
# MaxSpareServers: maximum number of server processes which are kept spare
# MaxClients: maximum number of server processes allowed to start
# MaxRequestsPerChild: maximum number of requests a server process serves
<IfModule mpm_prefork_module>
	StartServers		  5
	MinSpareServers	   5
	MaxSpareServers	  10
	MaxClients		  150
	MaxRequestsPerChild   0
</IfModule>

# worker MPM
# StartServers: initial number of server processes to start
# MaxClients: maximum number of simultaneous client connections
# MinSpareThreads: minimum number of worker threads which are kept spare
# MaxSpareThreads: maximum number of worker threads which are kept spare
# ThreadsPerChild: constant number of worker threads in each server process
# MaxRequestsPerChild: maximum number of requests a server process serves
<IfModule mpm_worker_module>
	StartServers		  2
	MaxClients		  150
	MinSpareThreads	  25
	MaxSpareThreads	  75
	ThreadsPerChild	  25
	MaxRequestsPerChild   100
</IfModule>

User www-data
Group www-data

#
# AccessFileName: The name of the file to look for in each directory
# for additional configuration directives.  See also the AllowOverride
# directive.
#

AccessFileName .htaccess

#
# The following lines prevent .htaccess and .htpasswd files from being
# viewed by Web clients.
#
<Files ~ "^\.ht">
	Order allow,deny
	Deny from all
</Files>

TypesConfig /etc/mime.types

#
# DefaultType is the default MIME type the server will use for a document
# if it cannot otherwise determine one, such as from filename extensions.
# If your server contains mostly text or HTML documents, "text/plain" is
# a good value.  If most of your content is binary, such as applications
# or images, you may want to use "application/octet-stream" instead to
# keep browsers from trying to display binary files as though they are
# text.
#
DefaultType text/plain


#
# HostnameLookups: Log the names of clients or just their IP addresses
# 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, since enabling it means that
# each client request will result in AT LEAST one lookup request to the
# nameserver.
#
HostnameLookups Off

# ErrorLog: The location of the error log file.
# If you do not specify an ErrorLog directive within a <VirtualHost>
# container, error messages relating to that virtual host will be
# logged here.  If you *do* define an error logfile for a <VirtualHost>
# container, that host's errors will be logged there and not here.
#
ErrorLog /var/log/apache2/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

# Include module configuration:
Include /etc/apache2/mods-enabled/*.load
Include /etc/apache2/mods-enabled/*.conf

# Include all the user configurations:
Include /etc/apache2/httpd.conf

# Include ports listing
Include /etc/apache2/ports.conf

# Include generic snippets of statements
Include /etc/apache2/conf.d/

#
# 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

#
# ServerTokens
# This directive configures what you return as the Server HTTP response
# Header. The default is 'Full' which sends information about the OS-Type
# and compiled in modules.
# Set to one of:  Full | OS | Minor | Minimal | Major | Prod
# where Full conveys the most information, and Prod the least.
#
ServerTokens Prod

#
# Optionally add a line containing the server version and virtual host
# name to server-generated pages (internal error documents, FTP directory
# listings, mod_status and mod_info output etc., but not CGI generated
# documents or custom error documents).
# Set to "EMail" to also include a mailto: link to the ServerAdmin.
# Set to one of:  On | Off | EMail
#
ServerSignature Off

<IfModule alias_module>
	#
	# 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, only "/icons/".  If the fakename is slash-terminated, then the
	# realname must also be slash terminated, and if the fakename omits the
	# trailing slash, the realname must also omit it.
	#
	# We include the /icons/ alias for FancyIndexed directory listings.  If
	# you do not use FancyIndexing, you may comment this out.
	#
	Alias /icons/ "/usr/share/apache2/icons/"

	<Directory "/usr/share/apache2/icons">
		Options Indexes MultiViews
		AllowOverride None
		Order allow,deny
		Allow from all
	</Directory>

</IfModule>

#
# Directives controlling the display of server-generated directory listings.
#
<IfModule mod_autoindex.c>

	#
	# IndexOptions: Controls the appearance of server-generated directory
	# listings.
	#
	IndexOptions FancyIndexing VersionSort HTMLTable NameWidth=*

	#
	# AddIcon* directives tell the server which icon to show for different
	# files or filename extensions.  These are only displayed for
	# FancyIndexed directories.
	#
	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.  These are only displayed for FancyIndexed
	# directories.
	# Format: AddDescription "description" filename
	#
	#AddDescription "GZIP compressed document" .gz
	#AddDescription "tar archive" .tar
	#AddDescription "GZIP compressed tar archive" .tgz

	#
	# ReadmeName is the name of the README file the server will look for by
	# default, and append to directory listings.
	#
	# HeaderName is the name of a file which should be prepended to
	# directory indexes.
	ReadmeName README.html
	HeaderName HEADER.html

	#
	# IndexIgnore is a set of filenames which directory indexing should ignore
	# and not include in the listing.  Shell-style wildcarding is permitted.
	#
	IndexIgnore .??* *~ *# RCS CVS *,v *,t
</IfModule>

<IfModule mod_mime.c>

	#
	# AddType allows you to add to or override the MIME configuration
	# file mime.types for specific file types.
	#
	#AddType application/x-gzip .tgz
	#
	# AddEncoding allows you to have certain browsers uncompress
	# information on the fly. Note: Not all browsers support this.
	# Despite the name similarity, the following Add* directives have
	# nothing to do with the FancyIndexing customization directives above.
	#
	#AddEncoding x-compress .Z
	#AddEncoding x-gzip .gz .tgz
	#
	# If the AddEncoding directives above are commented-out, then you
	# probably should define those extensions to indicate media types:
	#
	AddType application/x-compress .Z
	AddType application/x-gzip .gz .tgz

</IfModule>

<IfModule mod_negotiation.c>
	#
	# ForceLanguagePriority allows you to serve a result page rather than
	# MULTIPLE CHOICES (Prefer) [in case of a tie] or NOT ACCEPTABLE (Fallback)
	# [in case no accepted languages matched the available variants]
	#
	ForceLanguagePriority Prefer Fallback

</IfModule>

<IfModule mod_mime.c>
	#
	# Specify a default charset for all pages sent out. This is
	# always a good idea and opens the door for future internationalisation
	# of your web site, should you ever want it. Specifying it as
	# a default does little harm; as the standard dictates that a page
	# is in iso-8859-1 (latin1) unless specified otherwise i.e. you
	# are merely stating the obvious. There are also some security
	# reasons in browsers, related to javascript and URL parsing
	# which encourage you to always set a default char set.
	#
	#AddDefaultCharset ISO-8859-1

	#
	# Commonly used filename extensions to character sets. You probably
	# want to avoid clashes with the language extensions, unless you
	# are good at carefully testing your setup after each change.
	# See [url="http://www.iana.org/assignments/character-sets"]http://www.iana.org/assignments/character-sets[/url] for the
	# official list of charset names and their respective RFCs.
	#
	AddCharset us-ascii	.ascii .us-ascii
	AddCharset ISO-8859-1  .iso8859-1  .latin1
	AddCharset ISO-8859-2  .iso8859-2  .latin2 .cen
	AddCharset ISO-8859-3  .iso8859-3  .latin3
	AddCharset ISO-8859-4  .iso8859-4  .latin4
	AddCharset ISO-8859-5  .iso8859-5  .cyr .iso-ru
	AddCharset ISO-8859-6  .iso8859-6  .arb .arabic
	AddCharset ISO-8859-7  .iso8859-7  .grk .greek
	AddCharset ISO-8859-8  .iso8859-8  .heb .hebrew
	AddCharset ISO-8859-9  .iso8859-9  .latin5 .trk
	AddCharset ISO-8859-10  .iso8859-10  .latin6
	AddCharset ISO-8859-13  .iso8859-13
	AddCharset ISO-8859-14  .iso8859-14  .latin8
	AddCharset ISO-8859-15  .iso8859-15  .latin9
	AddCharset ISO-8859-16  .iso8859-16  .latin10
	AddCharset ISO-2022-JP .iso2022-jp .jis
	AddCharset ISO-2022-KR .iso2022-kr .kis
	AddCharset ISO-2022-CN .iso2022-cn .cis
	AddCharset Big5		.Big5	   .big5 .b5
	AddCharset cn-Big5	 .cn-big5
	# For russian, more than one charset is used (depends on client, mostly):
	AddCharset WINDOWS-1251 .cp-1251   .win-1251
	AddCharset CP866	   .cp866
	AddCharset KOI8	  .koi8
	AddCharset KOI8-E	  .koi8-e
	AddCharset KOI8-r	  .koi8-r .koi8-ru
	AddCharset KOI8-U	  .koi8-u
	AddCharset KOI8-ru	 .koi8-uk .ua
	AddCharset ISO-10646-UCS-2 .ucs2
	AddCharset ISO-10646-UCS-4 .ucs4
	AddCharset UTF-7	   .utf7
	AddCharset UTF-8	   .utf8
	AddCharset UTF-16	  .utf16
	AddCharset UTF-16BE	.utf16be
	AddCharset UTF-16LE	.utf16le
	AddCharset UTF-32	  .utf32
	AddCharset UTF-32BE	.utf32be
	AddCharset UTF-32LE	.utf32le
	AddCharset euc-cn	  .euc-cn
	AddCharset euc-gb	  .euc-gb
	AddCharset euc-jp	  .euc-jp
	AddCharset euc-kr	  .euc-kr
	#Not sure how euc-tw got in - IANA doesn't list it???
	AddCharset EUC-TW	  .euc-tw
	AddCharset gb2312	  .gb2312 .gb
	AddCharset iso-10646-ucs-2 .ucs-2 .iso-10646-ucs-2
	AddCharset iso-10646-ucs-4 .ucs-4 .iso-10646-ucs-4
	AddCharset shift_jis   .shift_jis .sjis

	#
	# 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 directive (see below)
	#
	# To use CGI scripts outside of ScriptAliased directories:
	# (You will also need to add "ExecCGI" to the "Options" directive.)
	#
	#AddHandler cgi-script .cgi

	#
	# For files that include their own HTTP headers:
	#
	#AddHandler send-as-is asis

	#
	# For server-parsed imagemap files:
	#
	#AddHandler imap-file map

	#
	# For type maps (negotiated resources):
	# (This is enabled by default to allow the Apache "It Worked" page
	#  to be distributed in multiple languages.)
	#
	AddHandler type-map var

	#
	# Filters allow you to process content before it is sent to the client.
	#
	# To parse .shtml files for server-side includes (SSI):
	# (You will also need to add "Includes" to the "Options" directive.)
	#
	AddType text/html .shtml
	AddOutputFilter INCLUDES .shtml
</IfModule>

#
# 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
#

#
# Customizable error responses come in three flavors:
# 1) plain text 2) local redirects 3) external redirects
#
# Some examples:
#ErrorDocument 500 "The server made a boo boo."
#ErrorDocument 404 /missing.html
#ErrorDocument 404 "/cgi-bin/missing_handler.pl"
#ErrorDocument 402 [url="http://www.example.com/subscription_info.html"]http://www.example.com/subscription_info.html[/url]
#

#
# Putting this all together, we can internationalize error responses.
#
# We use Alias to redirect any /error/HTTP_<error>.html.var response to
# our collection of by-error message multi-language collections.  We use
# includes to substitute the appropriate text.
#
# You can modify the messages' appearance without changing any of the
# default HTTP_<error>.html.var files by adding the line:
#
#   Alias /error/include/ "/your/include/path/"
#
# which allows you to create your own set of files by starting with the
# /usr/share/apache2/error/include/ files and copying them to /your/include/path/,
# even on a per-VirtualHost basis.  The default include files will display
# your Apache version number and your ServerAdmin email address regardless
# of the setting of ServerSignature.
#
# The internationalized error documents require mod_alias, mod_include
# and mod_negotiation.  To activate them, uncomment the following 30 lines.

#	Alias /error/ "/usr/share/apache2/error/"
#
#	<Directory "/usr/share/apache2/error">
#		AllowOverride None
#		Options IncludesNoExec
#		AddOutputFilter Includes html
#		AddHandler type-map var
#		Order allow,deny
#		Allow from all
#		LanguagePriority en cs de es fr it nl sv pt-br ro
#		ForceLanguagePriority Prefer Fallback
#	</Directory>
#
#	ErrorDocument 400 /error/HTTP_BAD_REQUEST.html.var
#	ErrorDocument 401 /error/HTTP_UNAUTHORIZED.html.var
#	ErrorDocument 403 /error/HTTP_FORBIDDEN.html.var
#	ErrorDocument 404 /error/HTTP_NOT_FOUND.html.var
#	ErrorDocument 405 /error/HTTP_METHOD_NOT_ALLOWED.html.var
#	ErrorDocument 408 /error/HTTP_REQUEST_TIME_OUT.html.var
#	ErrorDocument 410 /error/HTTP_GONE.html.var
#	ErrorDocument 411 /error/HTTP_LENGTH_REQUIRED.html.var
#	ErrorDocument 412 /error/HTTP_PRECONDITION_FAILED.html.var
#	ErrorDocument 413 /error/HTTP_REQUEST_ENTITY_TOO_LARGE.html.var
#	ErrorDocument 414 /error/HTTP_REQUEST_URI_TOO_LARGE.html.var
#	ErrorDocument 415 /error/HTTP_UNSUPPORTED_MEDIA_TYPE.html.var
#	ErrorDocument 500 /error/HTTP_INTERNAL_SERVER_ERROR.html.var
#	ErrorDocument 501 /error/HTTP_NOT_IMPLEMENTED.html.var
#	ErrorDocument 502 /error/HTTP_BAD_GATEWAY.html.var
#	ErrorDocument 503 /error/HTTP_SERVICE_UNAVAILABLE.html.var
#	ErrorDocument 506 /error/HTTP_VARIANT_ALSO_VARIES.html.var

<IfModule mod_setenvif.c>
	#
	# The following directives modify normal HTTP response behavior to
	# handle known problems with browser implementations.
	#
	BrowserMatch "Mozilla/2" nokeepalive
	BrowserMatch "MSIE 4\.0b2;" nokeepalive downgrade-1.0 force-response-1.0
	BrowserMatch "RealPlayer 4\.0" force-response-1.0
	BrowserMatch "Java/1\.0" force-response-1.0
	BrowserMatch "JDK/1\.0" force-response-1.0

	#
	# The following directive disables redirects on non-GET requests for
	# a directory that does not include the trailing slash.  This fixes a
	# problem with Microsoft WebFolders which does not appropriately handle
	# redirects for folders with DAV methods.
	# Same deal with Apple's DAV filesystem and Gnome VFS support for DAV.
	#
	BrowserMatch "Microsoft Data Access Internet Publishing Provider" redirect-carefully
	BrowserMatch "MS FrontPage" redirect-carefully
	BrowserMatch "^WebDrive" redirect-carefully
	BrowserMatch "^WebDAVFS/1.[012]" redirect-carefully
	BrowserMatch "^gnome-vfs/1.0" redirect-carefully
	BrowserMatch "^XML Spy" redirect-carefully
	BrowserMatch "^Dreamweaver-WebDAV-SCM1" redirect-carefully
</IfModule>

#<IfModule mod_status.c>
	#
	# Allow server status reports generated by mod_status,
	# with the URL of [url="http://servername/server-status"]http://servername/server-status[/url]
	# Change the ".example.com" to match your domain to enable.
	#
	#<Location /server-status>
	#	SetHandler server-status
	#	Order deny,allow
	#	Deny from all
	#	Allow from .example.com
	#</Location>
#</IfModule>

#<IfModule mod_info.c>
	#
	# Allow remote server configuration reports, with the URL of
	#  [url="http://servername/server-info"]http://servername/server-info[/url] (requires that mod_info.c be loaded).
	# Change the ".example.com" to match your domain to enable.
	#
	#<Location /server-info>
	#	SetHandler server-info
	#	Order deny,allow
	#	Deny from all
	#	Allow from .example.com
	#</Location>
#</IfModule>

# Include the virtual host configurations:
Include /etc/apache2/sites-enabled/

# ServerAdmin
ServerAdmin system_AT_agaw.eu

<IfModule mod_evasive20.c>
	DOSHashTableSize 3097
	DOSPageCount 2
	DOSSiteCount 50
	DOSPageInterval 1
	DOSSiteInterval 1
	DOSBlockingPeriod 10
	DOSLogDir "/var/log/apache2/mod_evasive"
</IfModule>

<Directory />
		AllowOverride All
</Directory>[/code]

Dans mon error.log, j'ai pu voir plusieurs fois ceci :

[code][Sat Sep 22 20:32:49 2007] [notice] mod_python: Creating 8 session mutexes based on 150 max processes and 0 max threads.
[Sat Sep 22 20:32:49 2007] [notice] mod_python: using mutex_directory /tmp
[Sat Sep 22 20:32:49 2007] [notice] Apache configured -- resuming normal operations
[Sat Sep 22 20:33:39 2007] [notice] caught SIGTERM, shutting down
[Sat Sep 22 20:33:40 2007] [notice] mod_python: Creating 8 session mutexes based on 150 max processes and 0 max threads.
[Sat Sep 22 20:33:40 2007] [notice] mod_python: using mutex_directory /tmp
[Sat Sep 22 20:33:40 2007] [notice] Apache configured -- resuming normal operations
[Sat Sep 22 20:35:19 2007] [notice] caught SIGTERM, shutting down
[Sat Sep 22 20:35:21 2007] [notice] mod_python: Creating 8 session mutexes based on 150 max processes and 0 max threads.
[Sat Sep 22 20:35:21 2007] [notice] mod_python: using mutex_directory /tmp
[Sat Sep 22 20:35:22 2007] [notice] Apache configured -- resuming normal operations
[Sat Sep 22 20:35:39 2007] [warn] child process 3837 still did not exit, sending a SIGTERM
[Sat Sep 22 20:35:40 2007] [notice] caught SIGTERM, shutting down
[Sat Sep 22 20:35:41 2007] [notice] mod_python: Creating 8 session mutexes based on 150 max processes and 0 max threads.
[Sat Sep 22 20:35:41 2007] [notice] mod_python: using mutex_directory /tmp
[Sat Sep 22 20:35:42 2007] [notice] Apache configured -- resuming normal operations

Je ne sais plus trop où chercher ou quoi faire, j'espère que Google ne va pas prendre cela comme du duplicate-content...

Bref, si vous aviez une idée, ce n'est pas de refus !

Merci par avance

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