Solved VPN work computer on my home network router traffic question

August 15, 2012 at 20:57:48
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Hello I have a work issued laptop which I connect to my home network on the weekends. I use a VPN connection to connect to terminal servers at work if needed. I am concerned that because I have a work laptop using this VPN connection the IT guys will be able to see what router traffic is being generated from my personal computers. I know this would be illegal and as such highly unlikely. I just want to know if it's possible and if so what softwares would be used / is there a way to see if my router is being sniffed. I use a wired router no wifi. Thanks


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August 16, 2012 at 01:39:15
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We have a similar setup at work, we issue laptops to some users aprox 1000. They have the option to VPN into the office if and when needed. Otherwise they are able to use the laptops for whatever they like, persumably work related, but i highly doubt it all work related and to be honest, we are not really bothered what they use it for as long as its not for illegal activity.

Now, if they are connect to VPN and using internet explorer within their VPN session then yes, we 'could' monitor what they are looking at, however, if we did this for all users

1) it would be a waste of resources
2) it will mean requiring a lot of hard disk space, and a means to filter out content that is of interest to us
3) possibly illegal, though im not sure about that

But if you are not connected to a VPN, then how would your work be able to access your laptop through your router? they cant do it and to be honest why would they need to?

So to answer your question, as far as i am aware, they cannot access the laptop remotely (unless they have a remote client application installed) and they probably would not need to.

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August 16, 2012 at 11:58:22
You forgot to add:

4) Would require a lot of man hours to monitor the log files

We keep internet logs where I work too but those aren't accessed without a specific reason.

I wouldn't worry about traffic from other computers being broadcast to your work via the VPN. That's not the way switches work. They broadcast ONLY to the port the traffic is supposed to go to. Which is to say for example, you're surfing some porn on your favorite XP desktop while connected to your VPN with your work laptop. The traffic from your desktop goes only to the desktop. The port your work laptop is plugged into has no awareness of that other traffic going to a different port.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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August 16, 2012 at 12:23:21
For that to be possible you would have to manually setup routing between your local interface and your virtual VPN interface, so unless you setup some static routes, your local traffic stays local only.


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