Tag Archives: Spring Security

In this post, I’d like to share a lesson learned by one of the teams at O&B. They were using Spring Boot with Spring Security. By default, anything that is protected by Spring Security is sent to the browser with the following HTTP header: Cache-Control: no-cache, no-store, max-age=0, must-revalidate Essentially, the response will never be cached by the browser. While ...

Up until now in our previous posts we had our endpoints and controllers secured using the default spring security configuration. When Spring Security is on the classpath, the auto-configuration secures all endpoints by default. When it comes to complex applications we need different security policies per endpoints. We need to configure which endpoints should be secured, what type of users ...

A colleague of mine pointed me to an interesting question on StackOverflow and suggested it may be a good one for me to answer because of my experience with Spring. The question was, “How to authorize specific resources based on users who created those in REST, using annotations.” The gist of it is this: What I’m trying to do is ...

On a previous post we used the user details service in order to provide a way to load our data from a function based on a username given. The implementation of the user details might be backed by an in-memory mechanism, a sql/no-sql database etc. The options are unlimited. What we have to pay attention when it comes to password ...

“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over and over? Try the Okta API for hosted authentication, authorization, and multi-factor auth. Every developer wants to build faster and more efficiently, to support scale. Building a microservices architecture with Spring can add resilience and elasticity to your architecture that ...

As we have seen on a previous post the username and password for our spring application was configured through environmental variables. This is ok for prototype purposes however in real life scenarios we have to provide another way to make the users eligible to login to the application. To do so we use the UserDetailsService Interface. The user details service ...

Spring security is a great framework saving lots of time and effort from the developers. Also It is flexible enough to customize and bring it down to your needs. As spring evolves spring security involves too making it easier and more bootstrapping to setup up security in you project. Spring Boot 2.0 is out there and we will take advantage ...

LDAP authentication is one of the most popular authentication mechanism around the world for enterprise application and Active directory (an LDAP implementation by Microsoft for Windows) is another widely used LDAP server. In many projects, we need to authenticate against active directory using LDAP by credentials provided in the login screen. Sometimes this simple task gets tricky because of various ...

If you don’t know, Spring security can limit the number of sessions a user can have. If you are developing a web application especially a secure web application in Java JEE then you must have come up with the requirement similar to online banking portals have e.g. only one session per user at a time or no concurrent session per user. Even ...