Wiki articles tagged with "security"

Showing 1-20 of 24 items.

Single PHP entry point with Nginx

Created 4 years ago by MadAnd, updated 4 years ago by MadAnd.

In this article I will show you how to slightly increase application security, by exploiting the fact that Yii implements the Front Controller Pattern.

4 0
3 followers
Viewed: 10 344 times
Version: all
Category: How-tos

Enhance security of cookie-based login

Created 5 years ago by darkheir, updated 5 years ago by darkheir.

When talking about cookie-base login the Yii guide indicates the following:

2 0
2 followers
Viewed: 12 785 times
Version: 1.1
Category: How-tos

Make the authentication more securely

Created 5 years ago by Kostas Apazidis (KonApaz), updated 5 years ago by Kostas Apazidis (KonApaz).

Suppose a hacker has an account of your website He could set the PHPSESSID to empty After of that He login in your system The PHPSESSID remains blank and user has already logged with this session

2 0
3 followers
Viewed: 10 262 times
Version: 1.1
Category: Tutorials

Extension Development (beginner)

Created 5 years ago by sefburhan, updated 5 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? -...

default csrf security and ajax post in one controller

Created 5 years ago by jasonban, updated 5 years ago by CeBe.

Hello Yii friends

0 3
8 followers
Viewed: 20 200 times
Version: 1.1
Category: Tutorials

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

Created 6 years ago by le_top, updated 4 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: 27 906 times
Version: 1.1
Category: How-tos

Use crypt() for password storage

Created 6 years ago by fsb, updated 5 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
21 followers
Viewed: 113 472 times
Version: 1.1
Category: Tutorials

Using phpseclib with Yii

Created 7 years ago by nkd, updated 7 years ago by nkd.

I installed phpseclib because I needed to do some AES encryption in my project. After all the hassle of installing php lib, I found out that Yii already has a security module (securityManager). I finally decided to keep using phpseclib because it has one big advantage over Yii securityManager module, it does...

0 0
6 followers
Viewed: 14 092 times
Version: 1.1
Category: How-tos
Tags: security

ACL and RBAC

Created 7 years ago by zeroByte, updated 7 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
4 followers
Viewed: 23 303 times
Version: 1.1
Category: How-tos

Show captcha after <N> unsuccessfull attempts

Created 7 years ago by zitter, updated 7 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: 27 213 times
Version: 1.1
Category: How-tos

Secure password hashing with bCrypt

Created 7 years ago by waitforit, updated 6 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: 28 741 times
Version: 1.1
Category: How-tos

Secure password hash storage and a Yii helper extension

Created 7 years ago by fsb, updated 6 years ago by fsb.

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

13 0
13 followers
Viewed: 33 921 times
Version: 1.1
Category: Tutorials

Simple authorization system

Created 7 years ago by Gustavo, updated 6 years ago by Gustavo.

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

14 0
17 followers
Viewed: 39 062 times
Version: 1.1
Category: How-tos

How to write secure Yii applications

Created 7 years ago by François Gannaz, updated 6 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
117 followers
Viewed: 266 905 times
Version: 1.1
Category: How-tos

Yii Security-extended guide

Created 8 years ago by bingjie2680, updated 7 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: 24 479 times
Version: 1.1
Category: Tips

Authenticating against phpass hashes with Yii

Created 8 years ago by Da:Sourcerer, updated 5 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: 33 477 times
Version: 1.1
Category: How-tos

Force a User to Change Their Password (ChangePasswordFilter)

Created 8 years ago by waterloomatt, updated 8 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: 22 707 times
Version: 1.1
Category: Tutorials

[PT-BR] Proteção Contra Logout CSRF

Created 8 years ago by Rodrigo Coelho, updated 8 years ago by Rodrigo Coelho.

CSRF é o acrônimo para Cross-site request forgery.
CSRF é um ataque que forca o usuário a executar ações não desejadas numa aplicação Web na qual ele está autenticado.

2 1
3 followers
Viewed: 10 447 times
Version: 1.1
Category: Tutorials

Logout CSRF Protection

Created 8 years ago by Rodrigo Coelho, updated 8 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.

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11 followers
Viewed: 22 787 times
Version: 1.1
Category: Tutorials

Configuring controller access rules to default-deny

Created 8 years ago by Steve Friedl, updated 5 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: 94 987 times
Version: 1.1
Category: How-tos