Wiki articles tagged with "security"

Showing 1-20 of 26 items.

How to write secure Yii1 applications

Created 12 years ago by François Gannaz, updated 2 years ago by François Gannaz.
  • Validate the user input (see below for details).
  • Protect (escape) your application output according to context (see below for a few output types, mostly HTML and SQL).
  • Test your application in debug mode.
    Set the constant YII_DEBUG to true (by default, it is defined in index.php) and put alongside error_reporting(E_ALL);. Then errors and warnings will stop the execution an...
80 0
114 followers
Viewed: 311 009 times
Version: 1.1
Category: How-tos

Use crypt() for password storage

Created 11 years ago by fsb, updated 9 years ago by fsb.

Update: This wiki has been rewritten to be in line with Yii 1.1.14. Since many of the detailed complexities are now handled by Yii, the article focuses on how the crypt() built-in function works and why it's important to use it correctly.

15 0
20 followers
Viewed: 177 125 times
Version: 1.1
Category: Tutorials

Getting to Understand Hierarchical RBAC Scheme

Created 13 years ago by daemons, updated 9 years ago by rAWTAZ.

Authentication and Authorization is a good tutorial. Among other topics, it describes basic aspects of Yii's RBAC implementation. But however hard I read the tutorial, I couldn't understand how exactly the hierarchy works. I found how to define authorization hierarchy, how business rules are evaluated, how to configure a...

47 0
56 followers
Viewed: 125 674 times
Version: 1.1
Category: Tutorials

How to hide /frontend/web in url addresses on apache

Created 9 years ago by raminious, updated 9 years ago by jim..

There is an issue on Yii2 to redirecting / urls to /frontend/web.
In other words we need a way to hidden /frontend/web from addresses.
We will do this without changing Apache configuration and creating virtual host or setting document root (It's good for share hostings that we have not access to apache.conf)

10 0
21 followers
Viewed: 125 644 times
Version: 2.0
Category: How-tos

Configuring controller access rules to default-deny

Created 13 years ago by Steve Friedl, updated 10 years ago by nsanden.

Starting with the blog tutorial, Yii developers are familiar with the notion of access rules defined in the controller, where the actions are allowed or denied depending on the user's name or role.

class CommentController extends CController {
    public function filters()
    {
        return array( 'accessControl' ); // perform access control for CRUD operations
    }

11 0
12 followers
Viewed: 105 406 times
Version: 1.1
Category: How-tos

Moving project code outside of webroot (plus multiple project support)

Created 13 years ago by Steve Friedl, updated 12 years ago by Steve Friedl.

Yii's by-default directory organization works well enough, but there are several steps one can take that improve the security and serviceability of the system, especially in the context of multiple Yii projects on the same machine (including multiple versions of the same project).

21 1
19 followers
Viewed: 64 997 times
Version: 1.1
Category: How-tos

Simple authorization system

Created 12 years ago by Gustavo, updated 11 years ago by Gustavo.

How to create a simple (non-RBAC) authorization system

14 0
17 followers
Viewed: 44 828 times
Version: 1.1
Category: How-tos

Authenticating against phpass hashes with Yii

Created 12 years ago by Da:Sourcerer, updated 9 years ago by Da:Sourcerer.
  • iteration_count_log2 controls the number of iterations for key stretching. A setting of 8 means the hash algorithm will be applied 2^8 = 256 times. This setting should be kept between 4 and 31.
  • portable_hashes controls whether portable hashes should be used or not. Portable hashes are salted MD5 hashes prefixed by $P$.
22 0
28 followers
Viewed: 39 260 times
Version: 1.1
Category: How-tos

Secure password hash storage and a Yii helper extension

Created 12 years ago by fsb, updated 10 years ago by fsb.

This wiki has been replaced by Use crypt() for password storage.

13 0
13 followers
Viewed: 38 669 times
Version: 1.1
Category: Tutorials

Secure password hashing with bCrypt

Created 12 years ago by waitforit, updated 11 years ago by Ivo Pereira.

In this article I will show you how to implement a secure password hashing mechanism in your Yii projects using a bCrypt class.

5 0
9 followers
Viewed: 37 175 times
Version: 1.1
Category: How-tos

Checking for "expired" sessions/logins on the client side

Created 10 years ago by le_top, updated 9 years ago by le_top.

Getting "Expired token" errors ? Here is a solution to avoid invalid CSRF on POST or ajax requests, or user identity changes.

4 0
12 followers
Viewed: 35 386 times
Version: 1.1
Category: How-tos

Show captcha after <N> unsuccessfull attempts

Created 11 years ago by zitter, updated 11 years ago by zitter.

In this mini howto I would like to show how to add a required captcha field in the login form, after a defined number of unsuccessfull attempts. To do this, I will use the blog demo that you have in default Yii download package (path/to/yii/demos/blog).

13 4
15 followers
Viewed: 34 614 times
Version: 1.1
Category: How-tos

Yii Security-extended guide

Created 12 years ago by bingjie2680, updated 12 years ago by bingjie2680.

This article is called extended guide is because there is already a security guide in the Yii tutorial security section. but that guide is not complete in the sense that it does not rise the developers' attention to some other commonly happening attacks: SQL injection and magic URL, which can be major vulnerabilities in you...

6 6
12 followers
Viewed: 30 674 times
Version: 1.1
Category: Tips

ACL and RBAC

Created 11 years ago by zeroByte, updated 11 years ago by kevinkorb.

This HowTo assumes that you have a smattering of ACL in general and of how the acl-extension works basically. It will introduce you into the abstract and give you a hint on how to use Business-Rules. If you have in-depth questions, please refer to the extension documentation. Using ACL in an RBAC-manner cannot and should never obs...

0 0
3 followers
Viewed: 29 719 times
Version: 1.1
Category: How-tos

Logout CSRF Protection

Created 12 years ago by Rodrigo Coelho, updated 12 years ago by Rodrigo Coelho.

CSRF is the acronymn for Cross-site request forgery.
It is an attack which forces an end user to execute unwanted actions on a web application in which he/she is currently authenticated.

10 0
11 followers
Viewed: 29 606 times
Version: 1.1
Category: Tutorials

Force a User to Change Their Password (ChangePasswordFilter)

Created 12 years ago by waterloomatt, updated 12 years ago by waterloomatt.

Sometimes you need to force a user to change their password after x number of days. This article describes how to implement this using a filter, ChangePasswordFilter.

14 0
10 followers
Viewed: 29 594 times
Version: 1.1
Category: Tutorials

Key web server settings after installing a fresh Yii 2 basic or advanced app

Created 9 years ago by Kartik V, updated 9 years ago by Kartik V.

So, you have installed a brand new Yii 2 app (basic) or (advanced). Here are a few tips for Apache web server users to get things running more secure and better with your yii2 app.

3 0
46 followers
Viewed: 29 126 times
Version: 2.0
Category: Tips

default csrf security and ajax post in one controller

Created 10 years ago by jasonban, updated 10 years ago by CeBe.

Hello Yii friends

0 3
8 followers
Viewed: 27 316 times
Version: 1.1
Category: Tutorials

Extension Development (beginner)

Created 10 years ago by sefburhan, updated 10 years ago by CeBe.

To extend the functionality of you web application relative to your requirements you are supposed to use existing yii core libraries or use external libraries. There are some steps to ensure security, uniqueness, modularity, performance and to avoid rework in future.

Step 01: Have a Strategy

  • Is my extension just for fun/demonstration purposes or for everyday use in the real world? -...

More security in your applications with Yii and PHPIDS

Created 13 years ago by Rafael Garcia, updated 13 years ago by Gustavo.

PHPIDS is a well known project that can be found in php-ids.org.

6 0
14 followers
Viewed: 20 035 times
Version: 1.1
Category: How-tos