I am considering purchasing a G4 Powerbook. Will I be able to use it to console into Cisco switches and routers? What programs would you suggest I use to do so? What tftp server software can be used on the Powerbook for IOS upgrades? Any help from...

I want to block all traffic from an IP range. What would be the best way to do this? We have a pix 520 running 6.3(3).