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

[Turritopsis Dohrnii Teo En Ming]

On Friday, December 12th, 2025 at 3:45 PM, Bret Busby <bret at busby.net> wrote:

> 
> 
> On 12/12/25 15:34, Ralf Mardorf via ubuntu-users wrote:
> 
> > On Fri, 2025-12-12 at 03:10 +0000, Turritopsis Dohrnii Teo En Ming via ubuntu-users wrote:
> > 
> > > 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
> > 
> > This link inspires trust because it looks like a typical official link
> > to a source from Canonical. Thank you for sharing!
> > 
> > If you don't click on this link, you've already closed the biggest
> > security gap.
> > 
> > ;)
> 
> 
> I thought it was from canadian f###book - "fbcdn.net"
> 
> Do the north corean and chinese and rushin cyberwarfare people get
> promoted within the party, according to the degreee of clicks they get
> from such posts?
> 
> ..
> Bret Busby
> Armadale
> West Australia
> (UTC+0800)

Dear Bret Busby,

I don't live in north corea, china or rushin.

I live in the Republic of Singapore.

Regards,

Mr. Turritopsis Dohrnii Teo En Ming
Singapore
12 December 2025 Friday 4.02 PM Singapore Time