Index_U

U

Uniform Resource Locators (URLs), 452–453

unmanaged code, See also AppDomain class; validation

in Active Directory, 344

calling DCOM components from, 217–219

naming, 165

securing in AppDomain class

accessing external programs, 167–169

calling Win32 API functions, 165–166

overview of, 164–165

security issues, 148, 392, 393

sorting into classes, 165

in Win32 API remote components, 432–437

UnsafeAuthenticatedConnectionSharing property, 244–245

untrustable data risk in Web services, 304

Untrusted zone, 74–75

update tools, 15

updating virus scanners, 235

URL evidence class, 76

UrlAuthorizationModule class, 383–384

URLs (Uniform Resource Locators), 452–453, See also Web sites

URLScan tool, 253

user access token functions in Win32 API, 395–397

usernames, choosing, 237