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Old 10-29-2007, 05:10 PM   #1
eoinrua
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Elementary security issues: hopefully useful to all


Although I'm not a newbie, I'm posting in the newbie forum because I've just upgraded from dial-up to broadband. So I might as well be a newbie!

The questions, though, will be of interest to every Linux user who goes online as they address some core safety issues.

1. Linux is a lot safer than Windows - but does that mean there's no need for anti-virus software? If not, what should I use?

2. As a dual-booter, is my Vista partition safe when I go online in Linux? I use Fuse 3G to access my Windows partition from Linux (it's mounted permanently for my convenience) and am concerned that a virus not harmful to Linux but harmful to Windows might sneak through and infect the "other" OS.

3. Until now, on dial-up, I have been happy enough to use Firestarter as my firewall. But Firestarter requires root login before it operates. How can this be safe? Going online as root? Is there a non-root alternative?

4. Is there any sort of utility that can tell me - say at the bottom of the screen - what the connection/download speed is?

Thanks for your help in advance.
 
Old 10-29-2007, 05:32 PM   #2
Tinkster
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Quote:
Originally Posted by eoinrua View Post
Although I'm not a newbie, I'm posting in the newbie forum because I've just upgraded from dial-up to broadband. So I might as well be a newbie!

The questions, though, will be of interest to every Linux user who goes online as they address some core safety issues.

1. Linux is a lot safer than Windows - but does that mean there's no need for anti-virus software? If not, what should I use?
clam-av, f-prot (one OpenSource, the other proprietary but free
for non-commercial use). While Linux itself is pretty much at
no risk it can serve as a stepping stone.

Quote:
Originally Posted by eoinrua View Post
2. As a dual-booter, is my Vista partition safe when I go online in Linux? I use Fuse 3G to access my Windows partition from Linux (it's mounted permanently for my convenience) and am concerned that a virus not harmful to Linux but harmful to Windows might sneak through and infect the "other" OS.
See above. While malicious windows things you d/l can't be
executed in Linux (unless you try really hard to get a virus
to work with wine [or CrossOver office for Office macro viruses])
you can save infected stuff and then run it from Vista manually.
And while there's few viruses for Linux - if you managed to get
yourself "rooted" the intruder can still do whatever they please
to your vista partition.

Quote:
Originally Posted by eoinrua View Post
3. Until now, on dial-up, I have been happy enough to use Firestarter as my firewall. But Firestarter requires root login before it operates. How can this be safe? Going online as root? Is there a non-root alternative?
Just start it from rc.local (or your distro's equivalent).


Quote:
Originally Posted by eoinrua View Post
4. Is there any sort of utility that can tell me - say at the bottom of the screen - what the connection/download speed is?

Thanks for your help in advance.
Dunno ...



Cheers,
Tink
 
Old 10-29-2007, 06:21 PM   #3
seelenbild28
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to question no. 4: download speed...

you could use superkaramba (display of widgets/gadgets/desklets, however you want to call them) and inside superkaramba try glass-monitor. you find it on www.kde-apps.org. glass-monitor is able to display statistics on eth0, wlan0 etc., also information about your system as e.g., cpu stuff, partition size et.
 
Old 11-04-2007, 12:29 AM   #4
eoinrua
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Thanks, Tinkster.

I really needed to know that. I've got clamAV up and running now, but is there any way of scanning the entire system at once instead of going directory by directory?

And do you know of any alternatives to Firestarter?

Cheers.
 
Old 11-04-2007, 11:05 AM   #5
Tinkster
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Quote:
Originally Posted by eoinrua View Post
Thanks, Tinkster.

I really needed to know that. I've got clamAV up and running now, but is there any way of scanning the entire system at once instead of going directory by directory?
clamscan -r /
should do the trick.

Quote:
Originally Posted by eoinrua View Post
And do you know of any alternatives to Firestarter?

Cheers.
Heaps of them ... go to http://freshmeat.net and search for
iptables. I tend to use a script generated by "Easy Firewall
Generater" as the basis for my iptables needs (with some
manual tweaking around the squid proxy).




Cheers,
Tink

Last edited by Tinkster; 11-04-2007 at 11:07 AM.
 
  


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