[ubuntu-in] anti-virus

[subhanil CHOWDHURY]

THANKS A LOT RAVI FOR A WONDERFUL SET OF INFORMATION
ON VIRUS AND ANTI-VIRUS ON LINUX!!
--- Ravi Shanker <ra21vi at gmail.com> wrote:

> On Tue, 2007-05-15 at 01:31 -0700, subhanil
> CHOWDHURY wrote:
> > do i need any anti-virus or firewall if i have
> ubuntu
> > on my computer??
> > 
> > 
> >  
> >
>
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> 
> On Linux for Desktop users, you never need
> Anti-virus. If you install
> it, you are seriously wasting the machine resources.
> There have been no
> serious virus attack claims on Linux, though some
> were made
> experimental, but that too won;t effect the system
> due to variants in
> Linux systems.
> So why there is no virus threat in Linux?
> The file permission in filesystem and self(memory)
> protected Kernel.
> ALso, all the applications you use is OpenSource,
> there can be bugs, but
> cann't be viruses and backdoor, else it will get
> attention and
> maintainer or developers will remove that portion.
> Everything is more
> managed. 
> Other thing is, since you execute users programs
> with your limited user
> capabilities, not root, the code if malicious will
> not do any harm.
> There are lot many factors. Linux has never been an
> easy and successful
> platform for Virus propagation and attack.
> 
> Linux doesnt have something like Buffer Overflow
> bugged Abstract Syntax
> Notation (ASN), Scripting Layers, heavily bugged RPC
> etc.  
> 
> Neither assembly and shell code exploit could do
> anything on
> Linux(secure implementation), nor did the malicious
> scripting work. Any
> virus from Emails can also do nothing on your system
> and also can't
> execute itself to replicate.
> So you have the secure system dear friend. There is
> really no need for
> antivirus. They are used on Linux servers, like mail
> server and also on
> system which is information gateway to mixed type
> environment, cuz they
> have to remove the virus and malicious attachments
> before it goes to
> Windows systems.
> 
> SO ultimately, what you learn, no virus if you use
> LInux, so no
> antivirus.
> But if you have Windows too in other partition, you
> must install
> antivirus. Go for Avast, the free and my personal
> like. Its better than
> AVG (I have used both of them, for a long). Never
> install Norton, it is
> not free, and is the heavy system resource eating
> package,.Also ,
> removing Norton much times give you a pain in ass,
> and surely after than
> you need to reinstall WIndows. 
> 
> Firewall is necessary, on Ubuntu Feisty, every port
> is shielded. So as a
> default, you have maximum security. If you need to
> open some ports, you
> can guard them with firewall.
> -- 
> Ravi
> ------------------------------------
> Email : ra21vi at gmail.com
> Homepage : http://ra21vi.googlepages.com
> 
> ------------------------------------
> > -- 
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> 



       
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