…Let's take a look at a few other configurations in your php.ini file.…Many of these are optional configurations, and many…of them will depend on how you use PHP.…The first controls whether or not we expose the version of…PHP that we're using in our response headers back to the browser.…Remember, one of our principles was security through obscurity.…We don't want to give away more information than we have to.…By default, PHP will return the version information with every single request.…But we don't want to tell anyone which version of PHP we're running.…
If we happen to not be running the latest version.…Which of course we should be always running the latest version.…But if we're not, this will broadcast that fact, and it…might let a hacker know that we're vulnerable to certain security issues.…Let me demonstrate so you'll see what I mean.…From my command line, I can use the curl command with the…--head option to return the head of a request to a webpage.…Not the webpage itself, just the header information that comes back.…
Author
Released
6/30/2014- Cross-site scripting (XSS)
- Cross-site request forgery (CSRF)
- SQL injection
- Encrypting and signing cookies
- Session hijacking and fixation
- Securing uploaded files
- User authentication
- Throttling brute-force attacks
- Blacklisting IPs
- Implementing password reset tokens
Skill Level Intermediate
Duration
Views
Related Courses
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Advanced PHP: Debugging Techniques
with Jon Peck1h 29m Intermediate
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Introduction
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Welcome59s
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Using the exercise files1m 8s
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1. Security Overview
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What is security?3m 37s
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Security and PHP2m 56s
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General security principles4m 24s
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2. Securing Your PHP Installation
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Keeping versions up to date2m 51s
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phpinfo and phpMyAdmin4m 11s
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Configure register globals4m 19s
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Configure error reporting7m 52s
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Configuring magic quotes3m 2s
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Configuring safe mode3m 1s
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Other configurations6m 34s
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PHP on a shared host2m 50s
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3. Filtering Input and Controlling Output
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Validating input13m 18s
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Sanitizing data11m 30s
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Labeling variables2m 29s
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Keeping code private7m 3s
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Smart logging3m 40s
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4. Defending against the Most Common Attacks
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SQL injection7m 2s
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URL manipulation1m 51s
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Faked requests and forms6m 17s
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Cookie visibility and theft5m 41s
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Encrypting cookies8m 56s
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Signing cookies5m 41s
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Session hijacking and fixation11m 50s
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Remote system execution7m 5s
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PHP code injection7m 6s
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Securing uploaded files9m 14s
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Setting file permissions8m 39s
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Limiting upload file size5m 39s
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Validating file types9m 16s
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5. Encryption and User Authentication
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Password encryption7m 6s
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Password requirements2m 14s
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Authentication in PHP12m 58s
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Throttling brute-force attacks10m 37s
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Blacklisting IP addresses6m 41s
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Conclusion
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Next steps44s
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Video: Other configurations