Cs what does front of queue mean4/30/2024 Here, the attacker causes part of their front-end request to be interpreted by the back-end server as the start of the next request. Otherwise, anĪttacker might be able to send an ambiguous request that gets interpreted differently by the front-end and back-end systems: In this situation, it is crucial that the front-end and back-end systems agree about the boundaries between requests. The receiving server has to determine where one request ends and the next one begins: The protocol is very simple HTTP requests are sent one after another, and When the front-end server forwards HTTP requests to a back-end server, it typically sends several requests over the same back-end networkĬonnection, because this is much more efficient and performant. This type of architecture is increasingly common, and in some cases unavoidable, in modern cloud-based applications. Users send requests toĪ front-end server (sometimes called a load balancer or reverse proxy) and this server forwards requests to one or more back-end servers. Today's web applications frequently employ chains of HTTP servers between users and the ultimate application logic. What happens in an HTTP request smuggling attack?
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