httpd 2.4.2 mod_proxy w/prefork - proxypass ttl does not seem to be honored

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Hello,

 

I am running Apache 2.4.2 using prefork.  Apache starts and operates fine except that it does not seem to honor the proxypass ttl option.  With the ttl=60, I test with making 10 consecutive calls that return good.  I wait 90 seconds and attempt another connection.  It 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

 


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