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Curious About Some Things Regarding Modem/Router...


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#1 Easy John

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Posted 20 August 2015 - 06:50 PM

Currently, there are a lot of people in my household. Everyone connects to me, as I'm the one who pays for the Internet, and also the one who owns the standard Virgin Media Modem and NetGear Wireless Router (bought separately years ago).

This is where it gets complicated for me. See, I've heard that if even just one person who's got access to the wireless network has a virus of some sort, then everyone on the wireless network could potentially all be infected through the virus propagating itself to different devices connected to it, even with top security, like Avast or AVG, or whatever it's called, etc., etc..

Now, I'll be buying a new laptop pretty soon anyway, so I figure that this is a great time to start fresh, making sure anything I transfer from current computer to laptop is virus-free. I really don't want to deal with viruses right from the get-go (especially if it's true about people being connected to the network passing on viruses to everybody).

To avoid any nasties altogether, my plan is to keep the current wireless setup with the current computer I'm using right now, and only use this option when everyone wants to use my connection, but whenever I get time to myself to surf the web, check emails, or whatever, I'll use the new laptop (which I plan to install some good antivirus gear on) and anything else that's mine (and virus-free) with a completely separate modem/router combo. This way, I'm thinking it's a good way to just avoid everybody else's craziness, because, let me tell you, the people in my household don't even take care what's on their systems, and I don't want to have to suffer because of all of that plain stupidity.

I know it sounds a little bit extreme, but I'm just curious about it.

I guess I'll summarise:


1.
Is it true about viruses from one device affecting other devices also connected to the same network, even if, say, some of the devices have great antivirus security, etc.?


2.
Would this idea of switching from one setup of standard Virgin Media Modem and NetGear Router to another Modem/Router combo at different times be effective? Or is there something standing in the way of that; like, is it unhealthy tech-wise to keep switching back and forth between different setups to the wireless cable, or is it only damaging to actual electronic devices (modems/routers) if it were them being switched on, off, on...? Oh, and, not sure how it works if you're in the U.S., but here in the U.K. to get the signal from Virgin Media, it's basically a little white wire that you have to sort of twist, kind of like one of those old brown coaxial wires for TVs that seem to have been around forever.


I know this is probably basic stuff, but I'm no expert with any of it. I just so happen to have enough good sense to try and avoid the crazies in my household with their virus-ridden systems.



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#2 CaveDweller2

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Posted 20 August 2015 - 10:52 PM

 

1.
Is it true about viruses from one device affecting other devices also connected to the same network, even if, say, some of the devices have great antivirus security, etc.?

Yes but just like almost all viruses you have to actively do something to get it. Simply sharing an internet connection will not do it. If they have a virus and they 1) shared files on the network and you accessed them 2) put infected files on a shared network storage and you accessed them 3) sneaker net some files with a thumb drive onto your PC and you accessed them(see a pattern?) or any of the 100 other ways of getting an infected file on your PC, then yes you'll probably get infected OR your antivirus will set off an alarm to prevent you from getting infected provided it is always up to date. But you are just as likely to get a virus opening a bad email attachment or going to a bad website.

 

 

2.
Would this idea of switching from one setup of standard Virgin Media Modem and NetGear Router to another Modem/Router combo at different times be effective? Or is there something standing in the way of that; like, is it unhealthy tech-wise to keep switching back and forth between different setups to the wireless cable, or is it only damaging to actual electronic devices (modems/routers) if it were them being switched on, off, on...? Oh, and, not sure how it works if you're in the U.S., but here in the U.K. to get the signal from Virgin Media, it's basically a little white wire that you have to sort of twist, kind of like one of those old brown coaxial wires for TVs that seem to have been around forever.

Not going to say it won't work or it's not a bad idea just going to say if you don't share anything with the others, don't open email attachments from people you don't know, keep you A/V updated, and practice good surfing habits, I wouldn't bother. Just in case, backup using the 3, 2 ,1 method: 3 copies, 2 different local medias, at least 1 offsite. So 1 on a thumb drive, 1 on another hard drive, and 1 online(Google Drive, Dropbox, etc....) and you'll be fine.


Hope this helps thumbup.gif

Associate in Applied Science - Network Systems Management - Trident Technical College


#3 Wand3r3r

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Posted 21 August 2015 - 09:54 AM

You would be better off with a wifi router that supports multiple SSID's/Guest wifi network.  Then you can connect to your own wifi network and not be on the same one everyone else is on.






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