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Category: Security and Encryption

Securing DNS Transactions With Transactional Signatures (TSIG)

October 5, 2020 Albertus

Transactional Signatures (TSIG) is a mechanism for authenticating DNS messages as specified in RFC 2845. TSIG allows DNS messages such…

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Posted in: DNS, Security and Encryption, Systems Administration Filed under: dns, security, systems administration

Disk Encryption With LUKS

October 3, 2020 Albertus

Originally meant for Linux, the Linux Unified Key Setup (LUKS) is “a disk encryption specification created by Clemens Fruhwirth in…

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Posted in: Linux, Security and Encryption, Systems Administration Filed under: encryption, external drive, Linux

Digital Certificate Generation and OpenSSL

March 1, 2015 Albertus

Digital certificates are used to help secure communications across networks, including the Internet. Web servers that are accessed via the…

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Posted in: Linux, Linux Distributions, Security and Encryption Filed under: CentOS, digital certificates, email, encryption, HTTPS, Internet, Linux, OpenSSL, SSL, TLS, web

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Recent Posts

  • Securing DNS Transactions With Transactional Signatures (TSIG) October 5, 2020
  • Disk Encryption With LUKS October 3, 2020
  • The TOP 500 Supercomputers (June 2019) – 100% Linux July 9, 2019
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