HP Cache Server Appliance Administrator Guide

Contents

Blocking particular groups . . . . . ................................ 18

Clustering.............................................. 18

Transparency............................................ 19

Posting............................................... 19

Maintaining the cache: updates and feeds . ............................ 19

Configuringaccesscontrol..................................... 20

Using enhanced NNTP authentication . . . ............................ 20

Obeying NNTP control messages . ................................ 21

Clientbandwidththrottling..................................... 21

4 TransparentProxyCaching....................................................... 22

Serving requests transparently . . . . ................................ 22

ARMredirection............................................ 22

Interceptionstrategies......................................... 23

Using a layer 4 switch with cache switching functionality to filter transparency requests . . . . . 23

Using a WCCP-enabled router for transparency . . ........................ 24

Usingpolicy-basedroutingtofiltertransparencyrequests..................... 27

Interceptionbypass.......................................... 28

Dynamicbypassrules....................................... 29

Staticbypassrules......................................... 32

Viewingthecurrentsetofbypassrules .............................. 32

ConfiguringARMsecurity ..................................... 32

5 ReverseProxyandHTTPRedirects................................................ 33

Understanding reverse proxy caching ................................ 33

Reverseproxysolutions...................................... 33

Howdoesreverseproxycachingwork?.............................. 34

HTTPReverseProxy......................................... 35

Handling origin server redirect responses . ............................ 35

Using mapping rules . ....................................... 36

SettingHTTPreverseproxyoptions................................ 38

FTPReverseProxy.......................................... 39

ConfiguringFTPReverseProxy.................................. 40

SettingFTPMappingRules.................................... 40

Enabling FTP Reverse Proxy. . . . ................................ 40

ModifyingFTPOptions....................................... 41

Redirecting HTTP Requests . . . . . ................................ 43

6 TrafficServerClusters........................................................... 45

Understanding Traffic Server clusters. ................................ 45

Management-only clustering . . . . ................................ 45

Fullclustering............................................ 45

Changingclusteringmode..................................... 46

Adding and deleting nodes in a cluster ................................ 46

Adding nodes to a cluster . . . . . ................................ 46

Deleting nodes from a cluster . . . ................................ 47

VirtualIPfailover........................................... 47

Setting virtual IP address options . ................................ 48