http://blog.gl2i.com/ 2026-05-30T17:26:14+00:00 http://blog.gl2i.com/ http://blog.gl2i.com/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-03-09T02:20:08+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?id=en:kresus:start&rev=1773022808&do=diff Kresus What is it ? " Kresus is a free & libre personal management software which runs on your server." In a few words, that's how we can resume the purpose of this application. Fore more details, please visit <https://kresus.org/en/> You can find there all features of the app and a few tutorials. text/html 2026-03-09T02:01:12+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?id=fr:kresus:start&rev=1773021672&do=diff Kresus Kesako ? " Kresus est un gestionnaire de finances personnelles gratuit et libre qui tourne sur votre serveur." Voilà en quelques mots de quoi il s'agit, pour plus d'informations, visitez le site officiel: <https://kresus.org/> On y trouve plein de fonctionnalités et des tutoriels. text/html 2025-08-03T17:30:39+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?id=fr:security:reaction-v2&rev=1754242239&do=diff Reaction v2 Une bonne nouvelle, reaction a sorti une version 2 qui est encore plus efficace et qui est encore moins gourmande. En effet, on passe d'un logiciel en GO à du Rust. Dans mon cas très simple de sécurisation d'OpenSSH, on a divisé par deux l'utilisation de la mémoire. text/html 2025-08-03T17:30:15+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?id=en:security:reaction-v2&rev=1754242215&do=diff Reaction v2 Great news, reaction has released a version 2. It goes from GO to Rust. In my OpenSSH use case, memory usage drops down by half. [usage reaction v2] Background image by David Revoy CC-BY 4.0 To celebrate, I updated my ansible playbook. - name: install packages required to have logs package: name: "{{ item }}" state: latest with_items: - iptables - iptables-persistent - logrotate - rsyslog become: True - name: stop reaction if running service: … text/html 2025-08-03T17:24:18+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?id=fr:security:reaction&rev=1754241858&do=diff Reaction le nouveau fail2ban Contexte Lorsque vous avez un serveur accessible sur internet, il est vraiment indispensable de contrôler qui y a accès et comment. Depuis des années j'utilise l'excellent outil iptables d'une façon très restrictive. Mais je suis tombé sur un cas limite que je propose de découvrir ensemble text/html 2025-08-03T17:23:32+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?id=en:security:reaction&rev=1754241812&do=diff Reaction the new fail2ban Context When you have a server reachable from internet, it is a very good idea to control who has access to it and how. For years I am using the very good tool called iptables in a very restricted way. But it happened to me a story that I am going to share with you that made change my mind text/html 2025-08-03T17:10:20+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Asecurity%3Areaction-v2-usage.png&ns=fr%3Asecurity&rev=1754241020&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=486906&amp;media=fr:security:reaction-v2-usage.png" alt="reaction-v2-usage.png" loading="lazy" width="500" height="500" /> text/html 2024-08-18T01:57:22+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Asecurity%3Aarchitecture-one-server-access-with-bastion-fr.png&ns=fr%3Asecurity&rev=1723946242&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=c5807b&amp;media=fr:security:architecture-one-server-access-with-bastion-fr.png" alt="architecture-one-server-access-with-bastion-fr.png" loading="lazy" width="500" height="500" /> text/html 2024-08-18T01:53:33+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Asecurity%3Aarchitecture-one-server-access-fr.png&ns=fr%3Asecurity&rev=1723946013&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=9f8458&amp;media=fr:security:architecture-one-server-access-fr.png" alt="architecture-one-server-access-fr.png" loading="lazy" width="500" height="500" /> text/html 2024-08-18T01:48:02+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Asecurity%3Abd-reaction-francais.png&ns=fr%3Asecurity&rev=1723945682&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=9147ce&amp;media=fr:security:bd-reaction-francais.png" alt="bd-reaction-francais.png" loading="lazy" width="500" height="500" /> text/html 2024-08-09T01:23:22+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=en%3Asecurity%3Abd-reaction-english.png&ns=en%3Asecurity&rev=1723166602&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=4f736e&amp;media=en:security:bd-reaction-english.png" alt="bd-reaction-english.png" loading="lazy" width="500" height="500" /> text/html 2024-08-08T02:39:12+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=en%3Asecurity%3Areaction-usage-for-2-weeks.png&ns=en%3Asecurity&rev=1723084752&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=6c6ec3&amp;media=en:security:reaction-usage-for-2-weeks.png" alt="reaction-usage-for-2-weeks.png" loading="lazy" width="500" height="500" /> text/html 2024-08-08T02:32:32+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=en%3Asecurity%3Aarchitecture-one-server-access-with-bastion.png&ns=en%3Asecurity&rev=1723084352&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=2d12b4&amp;media=en:security:architecture-one-server-access-with-bastion.png" alt="architecture-one-server-access-with-bastion.png" loading="lazy" width="500" height="500" /> text/html 2024-08-08T01:41:27+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=en%3Asecurity%3Aarchitecture-one-server-access.png&ns=en%3Asecurity&rev=1723081287&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=b11518&amp;media=en:security:architecture-one-server-access.png" alt="architecture-one-server-access.png" loading="lazy" width="500" height="500" /> text/html 2023-10-20T01:53:21+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Aleave-gafam%3Ade_android_a_eos.gif&ns=fr%3Aleave-gafam&rev=1697766801&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=5a2072&amp;media=fr:leave-gafam:de_android_a_eos.gif" alt="de_android_a_eos.gif" loading="lazy" width="500" height="500" /> text/html 2023-10-20T01:51:41+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Aleave-gafam%3Afree-man.png&ns=fr%3Aleave-gafam&rev=1697766701&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=2ba234&amp;media=fr:leave-gafam:free-man.png" alt="free-man.png" loading="lazy" width="500" height="500" /> text/html 2023-06-27T02:07:19+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Apython%3Acredit-simulator-1.4.2.tar.bz2&ns=fr%3Apython&rev=1687831639&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/images/fileicons/svg/bz2.svg" alt="credit-simulator-1.4.2.tar.bz2" loading="lazy" width="500" height="500" /> text/html 2023-06-27T01:46:01+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Apython%3Aformule-magique.png&ns=fr%3Apython&rev=1687830361&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=ab5340&amp;media=fr:python:formule-magique.png" alt="formule-magique.png" loading="lazy" width="500" height="500" /> text/html 2023-06-26T14:17:35+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Apython%3Aunitaire-remboursement.png&ns=fr%3Apython&rev=1687789055&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=f65d2e&amp;media=fr:python:unitaire-remboursement.png" alt="unitaire-remboursement.png" loading="lazy" width="500" height="500" /> text/html 2023-06-26T14:16:42+00:00 lonclegr (lonclegr@undisclosed.example.com) http://blog.gl2i.com/doku.php?image=fr%3Apython%3Acumulatif-remboursement.png&ns=fr%3Apython&rev=1687789002&tab_details=history&media_do=diff&do=media <img src="http://blog.gl2i.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=b9cd0b&amp;media=fr:python:cumulatif-remboursement.png" alt="cumulatif-remboursement.png" loading="lazy" width="500" height="500" />