Changed the defaults, so that it behaves exactly is it has been behaving (no WebFetch cap by default).

OpenSim/Region/CoreModules/Framework/Caps/CapabilitiesModule.cs

@@ -239,6 +239,8 @@ namespace OpenSim.Region.CoreModules.Framework
                     Uri uri = new Uri(kvp2.Value.ToString());
                     caps.AppendFormat("   {0} = {1}\n", kvp2.Key, uri.PathAndQuery);
                 }
+                foreach (KeyValuePair<string, string> kvp3 in kvp.Value.ExternalCapsHandlers)
+                    caps.AppendFormat("   {0} = {1}\n", kvp3.Key, kvp3.Value);
             }
 
             MainConsole.Instance.Output(caps.ToString());

bin/OpenSim.ini.example

@@ -292,6 +292,20 @@
     ;; building's lights to possibly not be rendered.
     ; DisableFacelights = "false"
 
+[ClientStack.LindenCaps]
+	;; For the long list of capabilities, see OpenSimDefaults.ini
+	;; Here are the few ones you may want to change. Possible values
+	;; are:
+	;;   "" -- empty, capability disabled
+	;;   "localhost" -- capability enabled and served by the simulator
+	;;   "<url>" -- capability enabled and served by some other server
+	;;
+	; These are enabled by default to localhost. Change if you see fit.
+    Cap_GetTexture = "localhost"
+	Cap_GetMesh = "localhost"
+	; This is disabled by default. Change if you see fit. Note that
+	; serving this cap from the simulators may lead to poor performace.
+	Cap_WebFetchInventoryDescendents = ""
 
 [Chat]
     ;# {whisper_distance} {} {Distance at which a whisper is heard, in meters?} {} 10

bin/OpenSimDefaults.ini

@@ -409,64 +409,73 @@
     ;DisableFacelights = "false"
 
 [ClientStack.LindenCaps]
-	Cap_AttachmentResources = "localhost"
-    Cap_AvatarPickerSearch = "localhost"
-    Cap_ChatSessionRequest = "localhost"
-    Cap_CopyInventoryFromNotecard = "localhost"
-    Cap_DispatchRegionInfo = "localhost"
-    Cap_EstateChangeInfo = "localhost"
+	;; Long list of capabilities taken from 
+	;; http://wiki.secondlife.com/wiki/Current_Sim_Capabilities
+	;; Not all are supported by OpenSim. The ones supported are
+	;; set to localhost. These defaults can be overwritten
+	;; in OpenSim.ini
+	;;
+	Cap_AttachmentResources = ""
+    Cap_AvatarPickerSearch = ""
+    Cap_ChatSessionRequest = ""
+    Cap_CopyInventoryFromNotecard = ""
+    Cap_DispatchRegionInfo = ""
+    Cap_EstateChangeInfo = ""
     Cap_EventQueueGet = "localhost"
-    Cap_FetchInventory = "localhost"
+    Cap_FetchInventory = ""
     Cap_ObjectMedia = "localhost"
     Cap_ObjectMediaNavigate = "localhost"
-    Cap_FetchLib = "localhost"
-    Cap_FetchLibDescendents = "localhost"
-    Cap_GetDisplayNames = "localhost"
+    Cap_FetchLib = ""
+    Cap_FetchLibDescendents = ""
+    Cap_GetDisplayNames = ""
     Cap_GetTexture = "localhost"
     Cap_GetMesh = "localhost"
-    Cap_GetObjectCost = "localhost"
-    Cap_GetObjectPhysicsData = "localhost"
-    Cap_GroupProposalBallot = "localhost"
-    Cap_HomeLocation = "localhost"
-    Cap_LandResources = "localhost"
+    Cap_GetObjectCost = ""
+    Cap_GetObjectPhysicsData = ""
+    Cap_GroupProposalBallot = ""
+    Cap_HomeLocation = ""
+    Cap_LandResources = ""
     Cap_MapLayer = "localhost"
     Cap_MapLayerGod = "localhost"
     Cap_NewFileAgentInventory = "localhost"
     Cap_NewFileAgentInventoryVariablePrice = "localhost"
     Cap_ObjectAdd = "localhost"
     Cap_ParcelPropertiesUpdate = "localhost"
-    Cap_ParcelMediaURLFilterList = "localhost"
-    Cap_ParcelNavigateMedia = "localhost"
-    Cap_ParcelVoiceInfoRequest = "localhost"
-    Cap_ProductInfoRequest = "localhost"
-    Cap_ProvisionVoiceAccountRequest = "localhost"
+    Cap_ParcelMediaURLFilterList = ""
+    Cap_ParcelNavigateMedia = ""
+    Cap_ParcelVoiceInfoRequest = ""
+    Cap_ProductInfoRequest = ""
+    Cap_ProvisionVoiceAccountRequest = ""
     Cap_RemoteParcelRequest = "localhost"
-    Cap_RequestTextureDownload = "localhost"
-    Cap_SearchStatRequest = "localhost"
-    Cap_SearchStatTracking = "localhost"
-    Cap_SendPostcard = "localhost"
-    Cap_SendUserReport = "localhost"
-    Cap_SendUserReportWithScreenshot = "localhost"
-    Cap_ServerReleaseNotes = "localhost"
-    Cap_SimConsole = "localhost"
-    Cap_SimulatorFeatures = "localhost"
-    Cap_SetDisplayName = "localhost"
-    Cap_StartGroupProposal = "localhost"
-    Cap_TextureStats = "localhost"
-    Cap_UntrustedSimulatorMessage = "localhost"
-    Cap_UpdateAgentInformation = "localhost"
-    Cap_UpdateAgentLanguage = "localhost"
-    Cap_UpdateGestureAgentInventory = "localhost"
+    Cap_RequestTextureDownload = ""
+    Cap_SearchStatRequest = ""
+    Cap_SearchStatTracking = ""
+    Cap_SendPostcard = ""
+    Cap_SendUserReport = ""
+    Cap_SendUserReportWithScreenshot = ""
+    Cap_ServerReleaseNotes = ""
+    Cap_SimConsole = ""
+    Cap_SimulatorFeatures = ""
+    Cap_SetDisplayName = ""
+    Cap_StartGroupProposal = ""
+    Cap_TextureStats = ""
+    Cap_UntrustedSimulatorMessage = ""
+    Cap_UpdateAgentInformation = ""
+    Cap_UpdateAgentLanguage = ""
+    Cap_UpdateGestureAgentInventory = ""
     Cap_UpdateNotecardAgentInventory = "localhost"
     Cap_UpdateScriptAgent = "localhost"
-    Cap_UpdateGestureTaskInventory = "localhost"
+    Cap_UpdateGestureTaskInventory = ""
     Cap_UpdateNotecardTaskInventory = "localhost"
     Cap_UpdateScriptTask = "localhost"
     Cap_UploadBakedTexture = "localhost"
     Cap_UploadObjectAsset = "localhost"
-    Cap_ViewerStartAuction = "localhost"
-    Cap_ViewerStats = "localhost"
-    Cap_WebFetchInventoryDescendents = "localhost"
+    Cap_ViewerStartAuction = ""
+    Cap_ViewerStats = ""
+	; This last one is supported by OpenSim, but may
+	; lead to poor sim performance if served by the simulators,
+	; so it is disabled by default.
+    Cap_WebFetchInventoryDescendents = ""
 
 [Chat]
     ; Controls whether the chat module is enabled.  Default is true.