Apache : Fix the Too Many Redirects Error Message

Issue : Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecursion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace.Solutions:Update .htaccess# BEGIN WordPress RewriteEngine On RewriteBase / RewriteRule ^index.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule...

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Prometheus and Grafana : Monitor Apache

1. Download apache_exporter #wget https://github.com/Lusitaniae/apache_exporter/releases/download/v1.0.2/apache_exporter-1.0.2.linux-amd64.tar.gz2.Install apache_exporter#tar xvzf apache_exporter-1.0.2.linux-amd64.tar.gz#cd apache_exporter-1.0.2.linux-amd64#chown apache:apache apache_exporter# mv apache_exporter /usr/bin3.Create apache_exporter services#vi /etc/systemd/system/apache-exporter.service-...

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Apache : Enable Mod_Status Module in Apache Centos 7

1. Enable and configure mod_status module in Apache#vi /etc/httpd/conf.modules.d/00-base.confUn-commented to enable mod_status module2. Once enable the module, need to create a server-status.conf in /etc/httpd/conf.d#vi /etc/httpd/conf.d/server-status.conf Add following line:<Location "/server-status">      ...

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Apache : Boost the Performance

Always keep Apache updated to its latest version# httpd -v - (centos)# apache2 –v (ubuntu) Used the Multi-Processing Module (MPM)The event MPM is the default MPM in most Apache installations for versions 2.4 and above. It is similar to the worker MPM in that it also creates multiple threads per child process but with an advantage: it causes KeepAlive or idle connections (while they remain...

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Apache : Redirect Root URL to Subfolder

Solution : RewriteEngine on RewriteCond %{REQUEST_URI} ^/$ RewriteRule (.*) /mysubfolder/ [R=301] RewriteEngine on is used to specify to Apache that this site will use Rewrite rules to transform the URL RewriteCond is the match part of the pattern. If the URL matches this pattern then RewriteRule will be applied. This particular pattern is checking if the requested URL path is equal to /. RewriteRule...

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Apache : Connection reset by peer: mod_fcgid: error reading data from FastCGI server

Solutions: Go to /home/sitename/fcgi-bin Use the follpwoing command to reset the immutable flag "chattr -i php5.fcgi" Then delete the /home/sitename/etc and /home/sitename/fcgi-bin directories (making sure that anything that's not php related in etc is saved) Using virtualmin switch back to apache mod_php mode and then back to FCGId mode. The site should now work Dont forget to chown any files/directories...

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Tomcat : Apache and Tomcat connection issue

Solutions: Tomcat: <!-- Define an AJP 1.3 Connector on port 8009 --><Connector port="8009" maxThreads ="300' minSpareThreads="25" maxSpareThreads="75" enableLookups="false" protocol="AJP/1.3" redirectPort="8443" /> Apache : <IfModule prefork.c>.....ServerLimit 300MaxClients 300....<IfModule worker.c>.....MinSpareThreads 25MaxSpareThreads 75.... Source: http://javawor...

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Apache : mod_fcgid: HTTP request length exceeds MaxRequestLen

Error : mod_fcgid: HTTP request length 135376 (so far) exceeds MaxRequestLen (131072) Solution :  Edit /etc/httpd/conf.d/fcgid.conf Add FcgidMaxRequestLen 10485760 Restart httpd source : http://linuxuse.com/oshibki/apache-mod-fcgid-http-request-length-137536-so-far-exceeds-maxrequestlen.ht...

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Tomcat :Apache Web Server and Tomcat AJP issue

Problems :  [error] ajp_read_header: ajp_ilink_receive failed [error] (70007)The timeout specified has expired: proxy: read response failed from localhost:8009 (localhost) Solutions : Increase timeout ProxyPass ajp://localhost:8009/ retry=0 timeout=10000 ttl=10000 ------------------------------------------------------------------------------------------------------------------- Problems:  [error]...

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Tomcat : Virtual Host in Tomcat

Edit server.xml ( /usr/tomcat/... )configuration file:# vim /usr/tomcat/conf/server.xmlAdd this line:<Engine> <Service> <Server><!-- This Host is the first "Virtual Host": www.example.com -->  <Host name="www.example.com" appBase="/home/example/webapp">  <Context path="" docBase=""/>  </Host> <Engine> <Service><Server>Sample...

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Apache Modsecurity : Request body (Content-Length) is larger than theconfigured limit

Error Log: ModSecurity: Request body (Content-Length) is larger than the configured limit (131072). [hostname "x.x.x.x"] [uri "/templates_import.php"] [unique_id "QzoPUttdJF4AABSQMQsAAAAB"] Resolved solutions: Edit this command to /etc/http/conf.d/modsecurity.conf-minimal # Basic configuration options SecRuleEngine On SecRequestBodyAccess On SecResponseBodyAccess On      ...

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ModSecurity - Centos 5.X

ModSecurity is an open source web application firewall (WAF) engine for Apache that is developed by Trustwave's SpiderLabs. It has a robust event-based programming language which provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring, logging and real-time analysis. With over 10,000 deployments world-wide, ModSecurity is the most widely deployed...

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Problems solved: PHP execution via fcgid requires the Apache mod_fcgid module

Application : Problems effect after update some patches on Vitualmin GPLmod_fcgid is a high performance alternative to mod_cgi or mod_cgid, which starts a sufficient number instances of the CGI program to handle concurrent requests, and these programs remain running to handle further incoming requests. It is favored by the PHP developers, for example, as a preferred alternative to...

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