What is SetEnvIfNoCase?
What is SetEnvIfNoCase?
SetEnvIf and SetEnvIfNoCase are really useful directives supplied by the mod_setenvif module that allow you to conditionally set environment variables accessible by scripts and apache based on the value of HTTP Headers, Other Variables, and Request information.
What is SetEnv in Apache?
SetEnv Directive Sets an internal environment variable, which is then available to Apache HTTP Server modules, and passed on to CGI scripts and SSI pages.
What is Mod_setenvif?
Summary. The mod_setenvif module allows you to set internal environment variables according to whether different aspects of the request match regular expressions you specify.
Where to set Apache environment variables?
Apache’s Environment variables are stored in /etc/apache2/envvars in Ubuntu, /etc/sysconfig/httpd in Redhat and at /etc/rc. conf in BSD. Open terminal and run the following command to open this file. Let us say you want to append /opt/local/bin to the PATH variable.
What is Request_uri in Apache?
{REQUEST_URI} is that part of the URI which follows the domain up to but not including the? character of a query string, and is the only Apache variable that a rewrite rule attempts to match. This expression specifies that the whole string must be matched by our regex; there cannot be anything else before or after it.
What is etc apache2 Envvars?
The /etc/apache2/envvars file holds variable definitions such as APACHE_LOG_DIR (the location of Apache log files), APACHE_PID_FILE (the Apache process ID), APACHE_RUN_USERS (the user that run Apache, by default www-data), etc.
How does Setenv work?
The setenv() function adds the variable name to the environment with the value value, if name does not already exist. If name does exist in the environment, then its value is changed to value if overwrite is nonzero; if overwrite is zero, then the value of name is not changed (and setenv() returns a success status).
What does setenv path mean in Linux?
setenv PATH “/bin:/usr/bin:/usr/sbin:/usr/local/bin” Sets the environment variable PATH. PATH is a list of path names separated by colons (“: “), which are the default paths to search for executable files when a command is called.
What is the difference between set and setenv in C?
C Shell: set vs setenv. The c shell (tcsh or csh) sits between you and the operating system. It act as a command interpreter. It reads your command and translates the commands into actions taken by the Unix system. When the c shell starts up it reads its startup files and may set environment variables using setenv command.
What is the use of setenv?
It is used to define the value of environment variables. If setenv is given no arguments, it displays all environment variables and their values. If only VAR is specified, it sets an environment variable of that name to an empty ( null) value.
What is the difference between setenvifnocase and set envifif?
The SetEnvIfNoCase is semantically identical to the SetEnvIf directive, and differs only in that the regular expression matching is performed in a case-insensitive manner. For example:
