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Do you need AV and Firewall?

Join Date: Jun 2005
Posts: 48
Reputation: navyjax2 is an unknown quantity at this point 
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navyjax2 navyjax2 is offline Offline
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Re: Do you need AV and Firewall?

  #8  
Jun 14th, 2005
Misinformed? How about the fact I have seen things firsthand? Can you say that you are an administrator of a network that has seen such things as non-application oriented scripts that will run regardless of the permissions you lock down on your computer? How about UNIX scripts that are not bound by Windows permissions? I've seen it happen on both my home network and the one I work on at work where things are not bound by simple Windows NT permissions. Where do you get off at? What experience do you have? Are you actually a legitimate Systems Administrator, or are you just a hobbyist?

You can't lock down your Temporary Internet Files folder to have only read permissions to it or you'd never get internet pages (they are downloaded off the internet for you to view them, after all, requiring "write" permission somewhere). And little good restricting a user's account would do if they are already a standard user. And how can you restrict an admin account without reverting it to a standard user account? Far as I know, unless you know something I don't, at least with XP, it's only either/or, nothing in-between. I know there are those that would say never log in as an admin unless you're going to install stuff. Yes, that is why they were created like this in the first place. But that is inconvenient and inefficient, and will not stop scripts that don't use normal install channels from running unblocked if the person is logged in under a standard user account, anyway, so what good does it serve a person other than to inconvenience themselves for nothing?

And all of the sudden I know nothing because I bring up viruses you obviously know nothing about:

Originally Posted by me:
They come as an attachment some people actually inadvertently run, or even as a TEMPORARY INTERNET FILE off of a site you may visit, without you even knowing, and do not need for you to run them for them to do what they are going to do.
Your response:
Wrong, your failure to read is affluently made clear. Restrict administrative accounts from running untrusted applications and isolate/restrict standard users in a manner that prevents the virus from being able to propagate.

The specific issues I was talking about at the end of my quote aren't "applications" per se that will be picked up as such to be blocked from running. They come in the form of trojan scripts. Scripts are text-files, not applications. This is why they are called scripts. A script can run regardless of user privileges, and can fake a signature of a dll that is trusted. And all a virus needs is network connectivity and to have part of their script ran in order to propagate. I had a virus once that propagated through files I used just by me double-clicking and opening them before I realized what it was doing. All I could see right away was that it changed the file-extension to all-caps. After I went back to a file I had opened before and couldn't open it again, only then did I know something was wrong. But this opening of files action can be done by a standard user or admin user. People like you that rely on account privileges to solve everything are not living in reality, so yes, I do know better. Kinda funny how if someone has seen something you obviously haven't that it seems to automatically make them a liar and not know what they are talking about with you. Arrogance is not your best friend when it comes to the security threats that are out there, my friend.
 
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