[BBLISA] Firewall question #2

[John Orthoefer]

It comes down to the halting problem.   So you can write a virus that 
disables zone alarm, zone alarm can't stop all virus.

External hardware is harder to for a virus to infect than something like 
zonealarm.

johno

Eric smith wrote:

> Just as an aside to these points, I believe there already has been a 
> virus that altered the "allowed" software list for zonealarm.  I 
> believe zonealarm now protects against this (probably 
> encrypts/checksums the list.)