Need Network Traffic Tool able to...

[josencarnacao]

Yesterday I was watching streaming media, and all of the sudden, the stream kept stopping.

When I opened on W11 Pro (version 22000.co_release.210604-1628 -- without a specific Firewall installed other than running the Windows one, and without VPN or any other network app) the Task Manager // Performance // Ethernet there was a lot of S (sent) traffic occouring.

I immediately Disabled the Ethernet device and tried to figure out what was happening.

When I got to Resource Monitor // Network I didn't find any odd app running or TCP connections established, even after I Enabled the Ethernet device.

 

IDK wut the F was going on, but I'm somewhat protected ATM, on a new W11 install.

 

My request is:

- Which is the best Open Source Network Tool to monitor and log inbound and outbound traffic in general ways, but also, to be able to understand 1 by 1 which app does what?

 

Thanks in advance.

[Eigenvektor]

To do detailed analysis, you could try Wireshark, though it's not necessarily easy to understand if you don't know your way around network traffic.

 

For a quick overview, you could try something like Glasswire, https://www.glasswire.com/ though Resource Monitor should already be able to show the source of incoming and outgoing traffic

Spoiler

 

[Falcon1986]

6 hours ago, josencarnacao said:

IDK wut the F was going on, but I'm somewhat protected ATM, on a new W11 install.

And this couldn't be due to Windows Update running in the background?

[josencarnacao]

15 hours ago, Falcon1986 said:

And this couldn't be due to Windows Update running in the background?

I understand your doubt.

 

But one thing I always do on a fresh Windows install is go on Settings and into Control Panel to minutely configure everything, including disabling Windows Update / Advanced options / Delivery Optimization / Allow downloads from other PCs.

• Aftwards running Chris Titus Tech and n1snt scripts to debloat and decrapify the OS.
• Because Microsoft makes things dubious, I also go on that screen to Advanced Options and limit the snot out of that. Actually I never remembered after months of using an installation to check the stats, if it continues at 0. Since I re-installed W11, I can't now verify if that was it.

At the time, on Task Manager I consulted Processes ordering the Network column and then Details ordering by I/O reads or CPU column to try to figure which app was doing Uploads.

 

I couldn't. Hence this post...

[josencarnacao]

22 hours ago, Eigenvektor said:

To do detailed analysis, you could try Wireshark, though it's not necessarily easy to understand if you don't know your way around network traffic.

 

For a quick overview, you could try something like Glasswire, https://www.glasswire.com/ though Resource Monitor should already be able to show the source of incoming and outgoing traffic

  Reveal hidden contents

 

Thank you very much. And Wireshark has a *.paf.exe -- PortableApps version

That's perfect for having on the USB stick I've carrying around for decades (and I'm not exagerating).

 

Again, thank you!