Bob Goodwin - Zuni, Virginia, USA sent: > Presently we have simply pulled the Ethernet plug on her > computer, she can reconnect if she needs to but can't leave it > on. She is threatening to buy a new computer and start over? > Female logic! Doesn't equate to the "but I'll lose my data"... > There must be one hundred applications active on that computer > and one of them is trying to suck up the whole internet. It's an > dual quad core Apple Mac and I hesitate to do anything with it > lest I leave it in some condition where she can't get her data. Well, the problem is really the computer, not external, so best to attack it where it really is. Trying to firewall a problem is a bit of a risk, if it doesn't work, and her problem is more serious than just wasting bandwidth. Not to mention that it increases the workload on your router, trying to solve the problem, there, and some routers just don't handle doing a lot of work. A modern Apple is a distro of BSD (a real Unix), not too dissimilar to Linux. So the same methodologies apply, even though the implementation is different. Find their "top" command, and see what's running. Find their nettop command, and see what's using the network. (Those may not be the specific names of their commands, but you can google for "top for MacOS," or any other command that you're used to using on Linux, to find out about equivalents.) Then research anything that you find running, that you don't know what it does. With the amount of traffic you've mentioned, previously, I'd be concerned about peer-to-peer. Whether she's doing it on purpose, or has become owned, and acting as a hub without knowing it. Being a zombie, or an email server. If you can't control your router, enough, to log what's going on, you can put a second NIC into your Linux computer, and sit it between the Mac and the router, forcing traffic in through one NIC and out on the other, and do your network snooping on your computer. -- [tim@localhost ~]$ uname -rsvp Linux 3.6.10-2.fc17.x86_64 #1 SMP Tue Dec 11 18:07:34 UTC 2012 x86_64 All mail to my mailbox is automatically deleted, there is no point trying to privately email me, I will only read messages posted to the public lists. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org