I hav domain network of 10 w2k professional clients and 1 w2k advanced server. All computers are in domain. 1 win2k prof computer has 2 NIC ...first is connected to broadband cable and second is connected to hub. All computer access internet via this w2kprof computer. Whats the best way to protect my network from hackers and virus. All w2k professional clients hav Mcafee antivirus installed and w2k advanced Server has Mcafee netshield antivrus installed. Now whats the best thing install on the win2k prof computer who has 2 NIC.