The Core Rule Set project endeavors not to make breaking changes in minor releases i. New functionality and breaking changes will be made in major releases i. Core Rule Set Documentation We maintain a large body of documentation about effective methods to deploy the Core Rule Set this is a set of documents generated from this code here. Contribution Guidelines If you are looking for information about how to join our vibrant community of Core Rule Set developers we invite you to check out our Github repository.
Changes The Core Rule Set project endeavors not to make breaking changes in minor releases i. Optionally, a plugin can also have a separate configuration file with rules that configure the plugin, just like the crs-setup. As you can see, the two existing CRS Include statements are complemented with three additional generic plugin Includes. This means CRS is configured first, then the plugins are configured if any , then the first batch of plugin rules are executed, followed by the main CRS rules, and finally the second batch of plugin rules run, after CRS.
Future CRS releases will come with a plugins folder next to the rules folder. If you do not have that yet then create it and place three empty config files in it Shell command touch is your friend :. We're aware that Apache supports the IncludeOptional directive, but that is not available on all web servers, so we prefer to use Include for documentation purposes. This is the simple way.
You download or copy the plugin files, likely rules and data files, and put them in the plugins folder of your CRS installation, as prepared above. There is a chance that a plugin configuration file comes with a. If that's the case then rename the plugin configuration file by removing the suffix.
With this approach, you download the plugin to a separate location and put a symlink to each individual file in the plugins folder. If the plugin's configuration file comes with a. With this approach it is easier to upgrade and downgrade a plugin by simply changing the symlink to point to a different version of the plugin. You can also git checkout the plugin and pull the latest version when there is an update. It is not possible to do this in the plugins folder itself, namely when you want to install multiple plugins side by side.
This symlink setup also allows you to git clone the latest version of a plugin and therefore update without further ado pay attention to updates in the config file, though! If you update plugins this way, there is a certain chance that you don't get a new variable that is being defined in the latest version's config file of the plugin. If you as a plugin author want to make sure, this is not happening to your users, then add a rule that checks for the existence of all config variables in your Before-File.
Disabling a plugin is really simple. You can simply remove the plugin files in the plugins folder, or the symlinks to the real files if you used the symlink method. It is probably a cleaner approach to work with symlinks since the plugin files remain available to re-enable in the future.
Alternatively, you could also rename a plugin file from plugin-before. As of this writing, there are several plugins available. More plugins are in the making, like the aforementioned shift of all rule exclusion packages into rule exclusion plugins that will happen before the next major release. Before we discuss the creation of your own plugins, let's first look at the question of whether a plugin is the right approach for your rule problem. CRS is a generic rule set. We do not really know your setup, so we write our rules with caution and we allow you to steer the behavior of CRS by setting the anomaly threshold accordingly.
When you write your own rules, you know a lot more about your setup and there is probably no need to be as cautious. It's probably futile to write anomaly scoring rules in your situation. Assets 5 modsecurity-v3. Enhancements Add microsec timestamp resolution to the formatted log timestamp [Issue - rainerjung ] Added missing Geo Countries [Issue , - emphazer ] Bug fixes Store temporaries in the request pool for regexes compiled per-request. Assets 11 modsecurity No reload of config.
New features Adds new transaction constructor that accepts the transaction id as parameter. Match should be case insensitive.
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