Security Archives - Memorynotfound

February 21, 2018

Apache PDFBox Encrypt Decrypt PDF Document Java

This tutorial demonstrates how to add a password and encrypt a PDF document in Java using Apache PDFBox. We also show how to decrypt a password protected PDF document. Maven Dependencies We use Apache...

Spring Boot / Spring Framework / Spring Security

November 15, 2017

Spring Security Remember Me Hashing Authentication Example

In this tutorial we demonstrate how to create a Spring Security Remember Me Hashing Authentication application. Remember me authentication is a feature that allows web sites to remember the identity of a user between...

JUnit / Spring Boot / Spring Framework / Spring Security / Testing

November 13, 2017

Spring Security In Memory Authentication Example

This tutorial demonstrates how to configure Spring Security to use In Memory Authentication. We can easily customize the Spring Security AuthenticationManager to use Spring Security in memory authentication and add multiple users with different...

JUnit / Spring Boot / Spring Framework / Spring Security / Testing / Thymeleaf

November 9, 2017

Custom Password Constraint Validator Annotation Example

This tutorial demonstrates how to create a custom password validator annotation using custom password rules. You’ll be able to annotate your password field with a @ValidPassword. This’ll trigger the custom PasswordConstraintValidator which’ll enforce a...

GreenMail / Hibernate / JUnit / Spring Boot / Spring Data / Spring Security / SQL / Testing / Thymeleaf

November 8, 2017

Spring Security Forgot Password Send Email Reset Password

In this tutorial we demonstrate how to use Spring Security, Spring Boot, Hibernate and Thymeleaf to program a password reset flow by sending the user an email address to verify the reset password procedure....

Java / Servers / Spring Boot / Tomcat

October 31, 2017

Spring Boot Configure Tomcat SSL over HTTPS

This tutorial demonstrates how to use spring boot to configure embedded tomcat SSL over HTTPS. You can optionally configure multiple Tomcat Connectors to support both HTTP and HTTPS at the same time. Or we...

Servers / Tomcat

October 12, 2016

Configure Tomcat To Use SSL/TLS Over HTTPS

In this tutorial we show how to configure Tomcat to use SSL/TLS over HTTPS. Secure Socket Layer (SSL), which now refers to the Transport Layer ouSecurity (TLS), is a protocol that encrypts the communication...

Nginx / Servers

November 15, 2014

Nginx change server attribute in HTTP response header

Changing your server attribute sent with every HTTP response header can positively affect your security. Because some hackers examine your response headers in search for particular versions with known vulnerabilities so they can exploit them. In the...

Command Line

November 5, 2014

Remove X-Powered-By php from HTTP response header

Why its a good idea to hide X-Powered-By PHP How to hide the PHP version in the HTTP Response Headers otherwise know as (remove the X-Powered-By php version). To not let everyone else know that...

Nginx / Servers

November 5, 2014

Hide Nginx version from the HTTP response headers

Why sending your version number is bad When you sent your Nginx version number with every request you are basically telling what software your server is running on. This can be a potentially dangerous...

Tagged: Security