Why double ProxyPass? ProxyPass / http://localhost-vip.com/smax=0 ttl=60
ProxyPass / http://localhost-vip.com/ ProxyPassReverse / http://localhost-vip.com/ On Jun 1, 2012 3:48 AM, "David Woodworth" <[email protected]> wrote: > Hello,**** > > ** ** > > I am running Apache 2.4.2 as a reverse proxy server. The backend IIS http > server has a timeout of 120 seconds for the backend connection. I > occasionally see 502 errors because the backend connection is closed by the > IIS server and Apache still tries to use it. So I have added “smax=0 > ttl=60” to my ProxyPass directive, but apache continues to use this > connection after 60 secs of idle time.**** > > ** ** > > I test with making 10 consecutive calls that return good. Apache re-uses > the same connection as I would expect. I wait 90 seconds and attempt > another connection. It still re-uses the same back-end connection that I > would have expected to have timed-out by then. Has anyone else seen this > behavior or know of a solution? Any suggestions appreciated.**** > > ** ** > > Configured with: configure --with-mpm=prefork**** > > ** ** > > Conf file: (ip and urls modified to hide)**** > > ** ** > > ServerTokens OS**** > > ServerRoot "/usr/local/apache"**** > > PidFile run/httpd-repairctr.pid**** > > Timeout 120**** > > KeepAlive On**** > > MaxKeepAliveRequests 100**** > > KeepAliveTimeout 15**** > > ** ** > > <IfModule prefork.c>**** > > StartServers 1**** > > MinSpareServers 1**** > > MaxSpareServers 1**** > > ServerLimit 2048**** > > MaxClients 2048**** > > MaxRequestsPerChild 4000**** > > </IfModule>**** > > ** ** > > <IfModule worker.c>**** > > StartServers 2**** > > MaxClients 150**** > > MinSpareThreads 25**** > > MaxSpareThreads 75**** > > ThreadsPerChild 25**** > > MaxRequestsPerChild 0**** > > </IfModule>**** > > ** ** > > Listen nn.nn.nn.nn:8087**** > > ** ** > > LoadModule authn_file_module modules/mod_authn_file.so**** > > LoadModule authn_core_module modules/mod_authn_core.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_core_module modules/mod_authz_core.so**** > > LoadModule access_compat_module modules/mod_access_compat.so**** > > LoadModule auth_basic_module modules/mod_auth_basic.so**** > > LoadModule reqtimeout_module modules/mod_reqtimeout.so**** > > LoadModule filter_module modules/mod_filter.so**** > > LoadModule mime_module modules/mod_mime.so**** > > LoadModule log_config_module modules/mod_log_config.so**** > > LoadModule env_module modules/mod_env.so**** > > LoadModule headers_module modules/mod_headers.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_ajp_module modules/mod_proxy_ajp.so**** > > LoadModule proxy_balancer_module modules/mod_proxy_balancer.so**** > > LoadModule slotmem_shm_module modules/mod_slotmem_shm.so**** > > LoadModule unixd_module modules/mod_unixd.so**** > > LoadModule status_module modules/mod_status.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**** > > ** ** > > <IfModule unixd_module>**** > > User apache**** > > Group apache**** > > </IfModule>**** > > ** ** > > ServerAdmin root@localhost**** > > ** ** > > UseCanonicalName Off**** > > DocumentRoot "/var/www/html"**** > > ** ** > > <Directory />**** > > Options FollowSymLinks**** > > Require all denied**** > > </Directory>**** > > ** ** > > <Directory "/var/www/html">**** > > Options Indexes FollowSymLinks**** > > AllowOverride None**** > > Require all granted**** > > </Directory>**** > > ** ** > > <IfModule mod_userdir.c>**** > > #**** > > # UserDir is disabled by default since it can confirm the presence**** > > # of a username on the system (depending on home directory**** > > # permissions).**** > > #**** > > UserDir disable**** > > ** ** > > #**** > > # To enable requests to /~user/ to serve the user's public_html**** > > # directory, remove the "UserDir disable" line above, and uncomment*** > * > > # the following line instead:**** > > #**** > > #UserDir public_html**** > > ** ** > > </IfModule>**** > > ** ** > > DirectoryIndex index.html index.html.var**** > > ** ** > > AccessFileName .htaccess**** > > ** ** > > <Files ~ "^\.ht">**** > > Require all denied**** > > </Files>**** > > ** ** > > TypesConfig /etc/mime.types**** > > ** ** > > <IfModule mod_mime_magic.c>**** > > MIMEMagicFile conf/magic**** > > </IfModule>**** > > ** ** > > HostnameLookups Off**** > > ** ** > > LogLevel warn**** > > 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**** > > CustomLog logs/access_log combined**** > > ErrorLog logs/error_log**** > > ** ** > > ServerSignature On**** > > ** ** > > Alias /icons/ "/usr/local/apache/icons/"**** > > ** ** > > <Directory "/usr/local/apache/icons">**** > > Options Indexes MultiViews**** > > AllowOverride None**** > > Require all granted**** > > </Directory>**** > > ** ** > > <IfModule mod_dav_fs.c>**** > > # Location of the WebDAV lock database.**** > > DAVLockDB /var/lib/dav/lockdb**** > > </IfModule>**** > > ** ** > > ScriptAlias /cgi-bin/ "/usr/local/apache/cgi-bin/"**** > > ** ** > > <Directory "/usr/local/apache/cgi-bin">**** > > AllowOverride None**** > > Options None**** > > Require all granted**** > > </Directory>**** > > ** ** > > IndexOptions FancyIndexing VersionSort NameWidth=* HTMLTable**** > > ** ** > > ReadmeName README.html**** > > HeaderName HEADER.html**** > > ** ** > > IndexIgnore .??* *~ *# HEADER* README* RCS CVS *,v *,t**** > > ** ** > > AddDefaultCharset UTF-8**** > > AddType application/x-compress .Z**** > > AddType application/x-gzip .gz .tgz**** > > AddHandler type-map var**** > > AddType text/html .shtml**** > > AddOutputFilter INCLUDES .shtml**** > > ** ** > > Alias /error/ "/var/www/error/"**** > > ** ** > > <IfModule mod_negotiation.c>**** > > <IfModule mod_include.c>**** > > <Directory "/var/www/error">**** > > AllowOverride None**** > > Options IncludesNoExec**** > > AddOutputFilter Includes html**** > > AddHandler type-map var**** > > Require all granted**** > > LanguagePriority en es de fr**** > > ForceLanguagePriority Prefer Fallback**** > > </Directory>**** > > ** ** > > 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**** > > ** ** > > BrowserMatch "Microsoft Data Access Internet Publishing Provider" > redirect-carefully**** > > BrowserMatch "MS FrontPage" redirect-carefully**** > > BrowserMatch "^WebDrive" redirect-carefully**** > > BrowserMatch "^WebDAVFS/1.[0123]" redirect-carefully**** > > BrowserMatch "^gnome-vfs/1.0" redirect-carefully**** > > BrowserMatch "^XML Spy" redirect-carefully**** > > BrowserMatch "^Dreamweaver-WebDAV-SCM1" redirect-carefully**** > > ** ** > > <VirtualHost *:8087>**** > > DocumentRoot /var/www/html/localhost.com**** > > ServerName localhost.com**** > > ErrorLog logs/localhost.com-error_log**** > > CustomLog logs/localhost.com-access_log common**** > > ProxyPass /keepalive.htm !**** > > ProxyPass / http://localhost-vip.com/ smax=0 ttl=60**** > > ProxyPass / http://localhost-vip.com/**** > > ProxyPassReverse / http://localhost-vip.com/**** > > ProxyPreserveHost on**** > > RewriteEngine on**** > > RewriteRule ^/api/(.*) http://localhost-vip.com/api/$1 [P,NC]**** > > </VirtualHost>**** > > ** ** > > ** ** > > David Woodworth**** > > Mitchell International**** > > Office: 858-368-7547**** > > ** ** >
