UEFI – Disabling SMM – System Management Mode

My Question is very simple, how to disable the SMM. I know there are some Methodes they are listed here. Ref: https://patents.google.com/patent/US9977682B2/en

But I have found nothing where it is explained in more detail. For Newbies, its not easy to understand. I want to check the behavior of the system without SMM.

I think the best way, would be to turn off SMM via. MSR Write into the Register. If its not Write-Protected. Or MOD the UEFI BIOS. ( Set Bits to the right Location or Removal of SMM Modules/Firmware ? )

Thanks in advance.

How does a File System handle an internal edit to a file?

When you edit information in a file, but you add in more information than was already present, how does the file system handle it without an overflow into the next section of the file?

Here’s an example. Consider having statements 1-12 in a 512-byte block, and you had statements 13-24 in the next 512-byte block. [Image 1] These blocks are both part of the same file. If you edited the first block, so you add another few New Statements [Image 2] past statement 12, this would overflow into the next block (statements 13-24). How would this condition be handled? Through shifting all the statements ahead of the added statement forward, or putting the new edit in a completely separate new block?

(sorry if the pictures or wording are a bit improper; this is my first time)

Unedited Blocks

Edited Blocks

Are there workarounds for the Dutch Tapping system?

I have the idea that the tapping implementation by my Dutch ISP Ziggo is being abused for non-lawful interception of my internet traffic. It seems that before, Ziggo implemented the legally required wiretapping for intelligence services, by distributing Ubee modems on which port 161 is open to the WAN.

Although I personally don’t support dragnet security, I find the abuse of such implementations very annoying. It is a real concern: http://massis.lcs.mit.edu/telecom-archives/archives/back.issues/2004.volume.23/vol23.iss551-600 -> “Dutch Tapping Room Not Kosher”

So I wonder, is there a way to work around these efforts? The (ETSI-IP and TTIP) protocols for handing over data to the the intelligence services are available here in English and contain a lot of information: https://www.agentschaptelecom.nl/onderwerpen/telecomaanbieders/aftappen-van-gegevens

Is “Hidden Network” just Wizard in System Tray [closed]

I was wondering if “Hidden Network” located in available networks when you click on WiFi in the system tray is just a set up wizard or an actual network not displaying its SSID?

For instance if there are multiple hidden networks in your area will there only be one hidden network listed under available networks or multiple under available networks?

Is there a security vulnerability when using the option Hidden Network to find your home network if it is hidden? There might be several hidden networks in your area and the hidden network wizard under available networks could just put the SSID and Password until it finds the correct hidden network, is that how it works?

Would it be safer to just use the manual connection set up under the sharing and network center in windows 10?

This is the website I was looking at: https://www.google.com/amp/s/www.digitalcitizen.life/how-connect-hidden-wireless-networks-windows-10

Find the missing initial conditions for system of ODES

I want to solve the following system of ODEs:

   s1` (t) = -(k1*s1 *(k2*s2 + s3))/N,    s2` (t) = ((k1*s1 *(k2*s2 + s3))/N) - k3*s2,     s3' (t) = k3*s2 - k4*s3      s4' (t) = k4*s3 

where k1=0.4029;k2=0.7;k3=0.41;k4=0.182; N=s1+s2+s3+s4; my problem I don’t have initial conditions, is there any possible way in mathematica to find the initial conditions and solve the system?


Bus and System Clocks

What is the difference between a Bus clock and a System Clock? Do they function the same way? I have been reading about System clocks but I can’t really find anything about bus clocks in my book to compare the two.