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Computer security guidelines and references

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A list of computer security guidelines and references.

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Authority Ambiguity Vulnerabilities in NGINX and Debian’s proxy_params

Friends don't let friends use $http_host

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Two related authority-ambiguity vulnerabilities in NGINX and Debian's proxy_params configuration snippet.

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Cryptography formats

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If you are trying to understand the difference between the different cryptography-related formats (PKS#12, PKCS#8, PEM, X.509 certificate, DER, JWK, BEGIN ENCRYPTED PRIVATE KEY??? 🤯), you will hopefully find some useful information here (and a lot more your did not wanted to know about).

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Books I have read in 2025

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Books I have read in 2025. Should be mostly spoiler free.

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