Python 3.15.1、3.14.9、3.13.17がeMudhra・emSignの証明書問題で緊急公開。pip 26.2.2、certifi ...

In just five days, from October 17 to October 21, 2026, the infrastructure supporting the backbone of the internet was ...

Set up fail2ban on Ubuntu with an nftables SSH jail, ignoreip allowlist, recidive bans, a custom filter and a health-check ...