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ModSecurity 2.5

You're reading from  ModSecurity 2.5

Product type Book
Published in Nov 2009
Publisher Packt
ISBN-13 9781847194749
Pages 280 pages
Edition 1st Edition
Languages

Table of Contents (17) Chapters

ModSecurity 2.5
Credits
About the Author
About the Reviewers
1. Preface
1. Installation and Configuration 2. Writing Rules 3. Performance 4. Audit Logging 5. Virtual Patching 6. Blocking Common Attacks 7. Chroot Jails 8. REMO 9. Protecting a Web Application Directives and Variables Regular Expressions Index

Actions—what to do when a rule matches


When a rule matches you have several options: You can allow the request, you can deny it or you can opt to take no action at the moment but continue processing with the next rule. There are also several other things you can do like redirect or proxy requests. In this section you'll learn in more detail about the options that are available.

Allowing requests

The way the allow action works differs depending on how a rule is written. An allow action can be configured to work in one of three ways:

  1. Allow access immediately and skip remaining phases (except for logging).

    This is the case if allow is specified on its own, as in SecAction allow.

  2. Allow access to the current phase only.

    Specify allow:phase to allow in the current phase. Rule processing then continues immediately with the next phase, and rules in this and subsequent phases may then override the allow with a deny action.

  3. Allow access to the request phases only.

    Specify allow:request to allow in...

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