[Canonical Whitepaper 2025] A guide to infrastructure hardening: Best practices to improve the security posture of your Linux-based infrastructure deployments

Subject: [Canonical Whitepaper 2025] A guide to infrastructure hardening: Best practices to improve the security posture of your Linux-based infrastructure deployments


Good day from Singapore,


Thank you Canonical for the hardening guide.


I have managed to download the PDF document.


The hardening guide link is at


https://scontent.fsin4-1.fna.fbcdn.net/m1/v/t0.50684-6/An-QPxv9ZNZZ0c11iGB1pyzPfjxKJTjG8Qz0xNpoXiWxz7mIOHBCV9BZbjzXGXqwrCzW5-zkTwrbdjgZEpsdbV0EOLaxMDQ3sYm0D-WnUVR83NaeyS63c-0QDBKUUA/A+guide+to+infrastructure+hardening+(1).pdf?_nc_oc=AdnUaZXrZzBSawbBa2Fdg6N5_1_pDIQHxwjLwbg58gNZaqKmB7Vi3nsddN8bjL-7Eqo&ccb=10-5&oh=00_AfmDyrFxB28d4GRqI-kzzMydIet7jkJbDzDEFn0DBru9Dg&oe=6962CB92&_nc_sid=de6fe6


Very useful for anyone who wishes to harden their Ubuntu Linux servers.


Thank you.


Regards,


Mr. Turritopsis Dohrnii Teo En Ming

Singapore

12 Dec 2025 Friday 11.09 am Singapore Time





REFERENCES

============


[1] https://lists.ubuntu.com/archives/ubuntu-users/2025-December/315396.html


[2] https://marc.info/?l=ubuntu-users&m=176551191227549&w=2


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