AuthenticationBasic authenticationDigest authenticationSafer authenticationAccess Control and AuthorizationHost-based access controlEnvironment-variable access controlUser-based access controlCombined access controlSSLSessions and CookiesPHPPerlSite Management: Uploading FilesNot-so-good ideasBetter ideas: ssh, scp, sftp, rsyncWebDAVNew Frameworks: SOAP, Web Services, and RESTRobots and SpidersDetecting and Deflecting AttackersCaches, Proxies, and Load BalancersLogging