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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Encryption’ Category

Running a feature branch from the letsencrypt certbot

Posted by jpluimers on 2019/09/27

So I won’t forget; the steps below based on and assumes ~/Versioned is the directory where you keep repositories in:

# cd ~/Versioned
# git clone https://github.com/certbot/certbot.git
...
# cd certbot
# git fetch --all
Fetching origin
# git checkout alt_override
Branch 'alt_override' set up to track remote branch 'alt_override' from 'origin'.
Switched to a new branch 'alt_override'
# ./certbot-auto --os-packages-only
OS packages installed.
# ./tools/venv.sh
... very long log ...
Please run the following command to activate developer environment:
source venv/bin/activate
# source ./venv/bin/activate
[venv] # venv/bin/certbot renew --force-renewal

–jeroen

Posted in Encryption, Let's Encrypt (letsencrypt/certbot), Power User, Security | Leave a Comment »

CAA Mandated by CA/Browser Forum | Qualys Blog

Posted by jpluimers on 2019/07/22

[WayBack] CAA Mandated by CA/Browser Forum | Qualys Blog

Certification Authority Authorization (CAA), specified in RFC 6844 in 2013, is a proposal to improve the strength of the PKI ecosystem with a new control to restrict which CAs can issue certificates…

Related:

–jeroen

Posted in Conference Topics, Conferences, DNS, Encryption, Event, HTTPS/TLS security, Internet, Power User, Security | Leave a Comment »

Keep a Changelog

Posted by jpluimers on 2019/03/20

Lot’s of tips (and translations!) on how to Keep a Changelog [WayBack].

There are lots of useful tips, ranging from content (how to write, what to include) to technicalities (order of entries, unreleased, version numbering, date format) that might seem unimportant but in practice makes using the changelog.

The really cool thing: the site has a changelog of itself showing the best practices.

via:

–jeroen

Posted in Development, Documentation Development, Encryption, Let's Encrypt (letsencrypt/certbot), Security, Software Development | Leave a Comment »

{Updated} Linux server security checklist. #sysadmin 

Posted by jpluimers on 2019/03/11

Most tips are OK, but:

  1. for password related policies, please read these:
  2. If you do DNS, implement DNSSEC
  3. I think ipv6 is OK, but like ipv4 needs to be firewalled
  4. Be really careful with fail2ban and similar tools: they are easy ways to lock yourself out as well, for instance by someone doing a nice (D)DoS on you.

Tips: [WayBack40 Linux Server Hardening Security Tips [2017 edition] – nixCraft

Via:

–jeroen

Posted in *nix, *nix-tools, Encryption, Let's Encrypt (letsencrypt/certbot), Power User, Security | Leave a Comment »

Installing Let’s Encrypt Free SSL/TLS Certificate in 2 Minutes with Certbot, Spending Hours Making it Work with Cloudflare

Posted by jpluimers on 2019/03/06

If I ever need to get LetsEncrypt to work with CloudFlare, then I need to read [WayBackInstalling Let’s Encrypt Free SSL/TLS Certificate in 2 Minutes with Certbot, Spending Hours Making it Work with Cloudflare

The steps there should save me hours.

Via [WayBcack] Free Let’s Encrypt SSL/TLS certificates are even easier to install than self-signed certificates. I could do so in 2 minutes in my +Linode … – Jean-Luc Aufranc – Google+.

–jeroen

Posted in Encryption, Let's Encrypt (letsencrypt/certbot), Power User, Security | Leave a Comment »

 
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