cross-posted from: https://programming.dev/post/20616555

Hi,

I would like to create a LAN where each node need to authenticate before gaining access to the LAN.

and secondly be able to monitor the data consumption of each node and even limit the speed for a node when exceeded.

I'm looking for something FLOSS. For example a single-board computer with a gnu/Linux etc...

Maybe some distribution or solution already exist for this ?

Thanks.

Tests show it's just too hard to put the unused 240/4 block to work

I have a 2nd-gen chromecast, it's factory reset. If i plug it in all it tells me is to install the app to start configuring.

I don't have a google account not do i want to install/use google-related stuff on my phone.

My home router doesn't register any new device, which makes sense since the cast doesn't know the SSID/pass of the WiFi.

Does it try to ping some service/port? Multicast perhaps? Where would it get an IP from without authenticating?

My (wired) PC runs gentoo.

How can i get it to work in these conditions?

Well it's not a network client, it presents its own WiFi network. Got a laptop with a live distro to connect to it and run this script to configure it. Seemed to work, apparently.

Then tried a bunch of clients:

• VLC will just eternally remain in scanning mode
• go-chromecast kept throwing errors even with host/port parameters
• chrome wouldn't

cross-posted from: https://programming.dev/post/19296452

Hi,

I would like to make some simple network simulations

I've tried to make run few (under Linux or Windows)

• Kathara
• GNS3
• EVE-NG (3.1 GB ! to download )
• omnetpp
• ns-3
• Cisco Packet Tracer (Not FLOSS, if I'm not mistaken )

The only one that I managed to install, run and use (set some nodes) was sadly the Cisco Packet Tracer ...

They other have their install process way to much complex or with such layer of dependency or more simply they way the works is too complex (running side VM for each nodes etc..) make it challenging to installing.

Do youn know a FLOSS Network Simulator , this is easy to install ?

Thanks.

cross-posted from: https://lemmy.ml/post/15968883

Hello everyone ! Nobody seems to have an answer on [email protected] (or maybe they are not interested because it's an enteprise network community?) and [email protected] seems dead?

Anyway, If anyone could guide me or direct me to the right direction, I would really appreciate it !

TL:DR

What is encapsulated into the frame that makes everyone understand: "OHHH that’s for 10.0.0.8, your docker container on bridge network br-b1de on the veth2b interface !!! "

Hi everyone !

I'm scratching my head in finding an actual answer on how virtual networking in docker actually works (mostly on the packets/frame level) or some good documentation to improve my understanding on how everything fits together.

Because I'm probably lacking the correct network terminology I made a simple network topology of my network. Don't hesitate to correct any network mistake.

![](https://lazysoci.al/api/v3/image_proxy?ur

With this growth in cloud computing, three key players—AWS, Azure, and GCP—have emerged, each with its own cloud terminology to describe the features, functionality, and tools of cloud infrastructure.

And that terminology becomes even more complicated when you’re dealing with more than one cloud provider. For example, AWS terminology refers to a data warehouse as “Redshift,” GCP uses the term “BigQuery,” and Azure terminology calls it “SQL data warehouse.”

I've been prepping my home network for the promise of "fibre coming soon" in my city.

That meant wrapping the house in Cat6A like a giant arachnid nest, and having a couple desktops with 2.5GbE on board, but I'm not sure what to do about the routing setup. I have three Ethernet runs to "30cm from the ISP equipment" now.

For gigabit in this scenario, the turnkey solution is any random Wi-Fi/router/firewall box which has 1Gb WAN and four 1Gb LAN ports. But where do you go when you start wanting 2.5GbE?

It seems like the "Wifi/Router/firewall" boxes with 2.5GbE ports are quite spendy, especially if you want more than one LAN port. I know a lot of this cost is because they tend to be the latest-and-greatest in terms of Wi-Fi, with 82 antennae, but that's only a secondary consideration for me with the heavy users on wires. Hell, my smartphone only supports the 2.4GHz band!

It seems like other options include:

• 2-box solution: A slightly cheaper Wifi-Router with 2.5GbE WAN and one LA

I want to create a simple web service that'll manage WireGuard VPN servers of mine in defferent locations. It'll work like this: whenever I try to access a site in from certain, pre-defined list, a web service (a) or a local customly-modified VPN client (b) will switch me to a VPN server in a certain location. When I go back to other, normal website, it'll switch me back to the last VPN server.

How would I go about this? Will it be implemented on the side of the server (a) - web service? Or on the client one (b) -- by a custom VPN client which I'd have to modify to incorporate this functionality?

cross-posted from: https://slrpnk.net/post/4975009

Are there any Debian apps that will track bandwidth consumption on a per-app basis, and ideally website-specific when a browser with sandboxing has multiple tabs?

These tools are vaguely described as being able to monitor network traffic:

iftop, nload, nethogs, vnstat, bmon, iperf, netperf, iptraf, cbm, zabbix, nagios, cacti, darkstat, sarg, monitorx, etherape

I’ve tried iftop, nload, vnstat, & bmon. Some of those are just showing realtime stats (bytes per second) and some are per net interface, not per app. I need to know the total bandwidth used on a per-process basis so if a website is streaming or buffering something heavy like video I can react. Since browsers tend to have sandboxing, i think there is a separate process per website. So if a website is a pig I need stats on it.

Ultimately I’m on a limited connection and it’s a mystery what is hogging my bandwidth allowance. I prefer light non-graphical

As the title alludes, I have two devices that I would like to connect to my LAN (a TC - wired; and a phone - wireless), but I would want them to be connected to a separate subnet, so they wouldn't communicate with the rest of my LAN.

Currently I have those two wirelessly connected via my router through a guest network, which automatically assigns them on a different subnet, but the router (provided by my ISP) is pretty crap, and the wifi networks either drop, or have bandwidth issues quite frequently. Unfortunately, due to the router not being the best, it doesn't allow me to assign IPs for those two devices that are outside the LAN subnet.

I would like to be able to connect the TC via ethernet instead, to guarantee the best connection, and perhaps link the phone with a separate wifi network, or perhaps just use data connection, thus taking it out of the LAN completely.

To achieve this I was thinking of getting a second router (second hand perhaps), flash OpenWRT on it, and use it

I have a vm for which I have s specific whitelist only firewall. It is supposed to only allow connections to the IPs an app connects to when syncing.

I first got the sync server IP's listening to tcpdump, then when I had the IP's I activated the whitelist.

This worked perfectly for some time, but now it appears that the IP's have changed. I could do the same thing again but repeating the process regularly is annoying and defeats the whole purpose of only ever allowing network connections to specific whitelisted serves.

Alternatively, I could set up a process to only allow network traffic from that app somewhat.

Using debian-11 btw.

Any help is appreceated !!!

Relevant enough, the author also references recent developments around ActivityPub, the Fediverse, and Lemmy:

As we discussed last year, there are real signs of life for the decentralization of social media thanks to the emergence of ActivityPub and the Fediverse. Just as I was putting finishing touches on my slide deck, there was yet another meltdown in the world of centralized platforms, with the CEO of Reddit deciding that sudden changes to API pricing – to the point that lots of third-party applications become economically unsustainable – was such a good idea at Twitter that he would bring the same approach to Reddit.

The response from volunteer moderators at Reddit – the unpaid community members who make the platform valuable to users – has been swift and, in some cases, hilarious. But the aspect of this story that really caught my eye was the rapid rise of ActivityPub-powered Reddit alternatives Kbin and Lemmy.

A cloud-native network function or CNF is defined as a software service that fulfills network functionalities while adhering to cloud-native design principles without requiring any hardware or appliance to house it. This article explains the architecture and working of a cloud-native network function. It also provides examples of commonly-used CNFs.

The domain name system (DNS) is a naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses. The domain name system maps the name people use to locate a website to the IP address that a computer uses to locate that website.