(Use environment windows2003, iis6.0, IIS comes with FTP, database: SQL2000, MYSQL Security reinforcement of system disks and folders, remove useless user rights of all disks, user blocking prevention for established IIS, cross-site own IPSEC policy, Software restriction policies, as well as optimization of some local security policies Customized changes to firewalls, remote desktop ports and other tools Customize backup databases, restart servers, etc.)