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Home Archives for encryption
Fixing DNS: why you need a Trusted Recursive Resolver and DNS over HTTPS

Cloud Insidr 2018-06-06 Leave a Comment

Fixing DNS: why you need a Trusted Recursive Resolver and DNS over HTTPS

The DNS system is broken. The sorry state of DNS security exposes your server and your end users to a variety of risks. Some of those risks are preventable.

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Filed Under: cybersecurity and cyber warfare, DNS, encryption Tagged With: DNS, DNS checks, DNS over HTTPS, encryption

Attack vectors against TLS, implementation bugs, and how to mitigate TLS vulnerabilities in NGINX

Cloud Insidr 2018-05-21 1 Comment

Attack vectors against TLS, implementation bugs, and how to mitigate TLS vulnerabilities in NGINX

In light of documented TLS vulnerabilities and implementation bugs, understanding known attack vectors becomes a necessity.

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Filed Under: cybersecurity and cyber warfare, encryption, Uncategorized Tagged With: certificate, cipher suites, cryptography, cybersecurity, Diffie-Hellman, encryption, exploits, HTTP/2, HTTPS, mitigation techniques, RSA, TLS, TLS vulnerabilities

TLS 1.3 (with AEAD) and TLS 1.2 cipher suites demystified: how to pick your ciphers wisely

Cloud Insidr 2018-05-11 3 Comments

TLS 1.3 (with AEAD) and TLS 1.2 cipher suites demystified: how to pick your ciphers wisely

Until the day TLS 1.3 becomes widely supported, web servers must rely on a fallback to TLS 1.2 with correctly configured server directives and strong cipher suites. Pick the wrong settings and you declare an open season on your server.

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Filed Under: cybersecurity and cyber warfare, encryption, Uncategorized Tagged With: authentication, cipher suites, Diffie-Hellman, encryption, HMAC, HTTPS, OpenSSL, RSA, TLS, TLS 1.2, TLS 1.3

A quick introduction to SSL/TLS encryption: understanding certificates and key pairs

Cloud Insidr 2017-10-20 1 Comment

A quick introduction to SSL/TLS encryption: understanding certificates and key pairs

Confused about SSL/TLS certificates? Here is a quick and dirty introduction to SSL/TLS encryption.

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Filed Under: cybersecurity and cyber warfare, encryption, Uncategorized Tagged With: encryption, SSL, TLS

How to Use Letsencrypt across Servers in the Manual Configuration Mode with a CSR

Anna E Kobylinska 2016-02-10 Leave a Comment

How to Use Letsencrypt across Servers in the Manual Configuration Mode with a CSR

Generating SSL certificates when Letsencrypt (what is Letsencrypt, who is behind it, and how the heck can you get started) is available for your system works in a breeze, but what if you need your certificates for a machine that won’t take Letsencrypt (for whatever reason)? It is still possible: you can either grab Letsencrypt from Git, or, for reasons of practicality… create a certificate signing request (CSR) on your target server, transfer it to your letsencrypt instance, generate the certificates you need, then transfer the generated files back to your target instance and install the certificates in your software.

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Filed Under: administration and orchestration, cybersecurity and cyber warfare, encryption, mail servers, web servers in the cloud Tagged With: CSR, encryption, SSL

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