Look for the following configuration options in your httpd. The first line tells Apache to look in. This prevents visitors from gaining access to configuration options. You can change the AccessFileName to specify another name where Apache can look for these configuration options. Despite the power and flexibility provided by. If you want to disable. In addition to the basic directives described above, Apache also allows server administrators some additional flexibility in how directories, files, and locations are specified.
Here is an example:. Apache also allows an alternate syntax for using regular expressions to define paths within a standard directory block. Adding a tilde e. Regular expressions are a standard syntax for pattern matching, and Apache supports standard and Perl regular expression variants.
Though DirectoryMatch is preferred, the following block is equivalent to the previous block:. There are enlisted below —. All modules can be compiled as a Dynamic Shared Objects DSO is an object file that could be shared by multiple apps while they are executing that exists separately from the main apache file. If you are using an rpm RedHat Package Manager is a utility for installing application on Linux systems based Linux distribution i. Red Hat, Fedora, CentOs, Suse, you can install this application by either vendor specific Package Manager or directly building the rpm file from the available source tarball.
It is mandatory to have -devel package installed on your server for creating. Once you convert the source file into an rpm installer, you could use the following command to install Apache. After the installation the server does not start automatically, in order to start the service, you have to use any of the following command on Fedora, CentOs or Red Hat.
Installing apache from the source require the —devel package to be installed on your server. You can find the latest available version of Apache, you can download it here.
In order to see all configuration option available for Apache, you can use. The —enable-so option, can load required modules to apache at run time via the DSO mechanism rather than requiring a recompilation.
Once the installation completes, you can browse the web servers default page with your favorite browser. If firewall is enabled on your server, you must have to make exception for port 80 on your OS firewall. You can use the following command to open port You can see the default Apache2 Welcome screen by browsing your server IP address. You do not need separate server machine and apache software for each website.
This can achieved using the concept of Virtual Host or VHost. Any domain that you want to host on your web server will have a separate entry in apache configuration file. In order to configure name based virtual hosting, you have to set the IP address on which you are going to receive the Apache requests for all the desired websites. You can do this by NameVirutalHost directive within the apache configuration i.
You can add as many virtual hosts, as per your requirement. Thus, if Apache2 finds a file in a requested directory matching any of these names, the first will be displayed.
The ErrorDocument directive allows you to specify a file for Apache2 to use for specific error events. For example, if a user requests a resource that does not exist, a error will occur.
These are kept separate from the transfer logs to aid in troubleshooting problems with your Apache2 server. Some options are specified on a per-directory basis rather than per-server. Options is one of these directives.
A Directory stanza is enclosed in XML-like tags, like so:. The Options directive within a Directory stanza accepts one or more of the following values among others , separated by spaces:. CGI scripts are not executed if this option is not chosen.
Most files should not be executed as CGI scripts. This would be very dangerous. Includes - Allow server-side includes. Server-side includes allow an HTML file to include other files. For security reasons, this should usually not be set, and certainly should not be set on your DocumentRoot directory. Enable this option carefully on a per-directory basis only if you are certain you want users to see the entire contents of the directory.
Multiview - Support content-negotiated multiviews; this option is disabled by default for security reasons. See the Apache2 documentation on this option. SymLinksIfOwnerMatch - Only follow symbolic links if the target file or directory has the same owner as the link.
It must be stored on the local disk. It should be left to the default value unless the logs directory is located on an NFS share. If this is the case, the default value should be changed to a location on the local disk and to a directory that is readable only by root. This file should only be readable by root. In most cases, it should be left to the default value. User - The User directive sets the userid used by the server to answer requests.
Unless you know exactly what you are doing, do not set the User directive to root. Using root as the User will create large security holes for your Web server. Group - The Group directive is similar to the User directive. Group sets the group under which the server will answer requests. We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting.
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