PoW-Shield provides DDoS protection on OSI application layer by acting as a proxy that utilizes proof of work between the backend service and the end user. This project aims to provide an alternative to general captcha methods such as Google’s ReCaptcha that has always been a pain to solve. Accessing a web service protected by PoW Shield has never been easier, simply go to the url, and your browser will do the rest of the verification automatically for you.
PoW Shield aims to provide the following services bundled in a single webapp / docker image:
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So basically, PoW Shield works as a proxy in front of the actual web app/service. It conducts verification via proof-of-work and only proxies authorized traffic through to the actual server. The proxy is easily installable, and is capable of protecting low security applications with a WAF.
Here’s what happens behind the scenes when a user browses a PoW Shield-protected webservice:
nodejs and docker
environment variables
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