Articles

✋🏼🔥 CS Visualized: CORS

(Jul 28) #networking #security Save to Pocket

I don't know about you, but CORS has caused a number of head scratching moments for me. What exactly does it do and why am I only seeing this error now? Well if you've found yourself in a similar situation, Lydia Hallie has written an informative article where she illustrates the nuances of CORS with well-designed, animated diagrams. From same-origin policy to credentials, Lydia breaks down each part of CORS functionality.

What is fillfactor and how does it affect PostgreSQL performance?

(Jul 24) #postgres #sql Save to Pocket

Databases can seem fairly simple on the surface, but there's a whole layer of complexity and optimization that most people might be aware of, but don't bother diving into. But your database is one of the choking points in your system, you won't be able to help it. In this data-driven article, Kaarel Moppel first explains fillfactor in Postgres (optimization for disk space the database does depending on the frequency of row updates) and then shows the numbers for deriving a rule of thumb.

A Day in the Life of a (Secure) Request

(Jul 27) #networking #javascript #security Save to Pocket

As Cloud infrastructure is becoming more and more available to the masses, its underlying complexity is also growing. Load balances and proxies are just a couple of the potential middlemen in your average network. Although they're useful, the added steps make your system more open to attack as well. In this article, Austin Poore and Danny Hermes take us on the journey the average secure request might take, from client through TLS proxies and load balancers to application.

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Alex