File signature verification: sigverif.exe - detects file changes. Windows 2000 passwords can be a maximum of 14 characters long and are case-sensitive. France <=40 bit DES Multiple browsers with mutual authentication (no plaintext) Use Certificate Authentication (SSL) + Transport Layer Security (TLS) IE 5.0 can use Kerberos + CHAP. Kerberos can go thru a firewall into a screened subnet where CHAP cannot. Generally, servers requiring secure communications should be placed in their own OU for Group Policy management.