The agent can be configured to offer its own web (HTTP)-based interface. The interface allows users to retrieve measurements and other information from the agent, and it also lets users change agent configurations, queue application ping requests, etc.

Enable Agent Web Server

The agent web server can be enabled either through the configuration distributed by PerformanceGuard or by adding registry values on individual computers that run the agent.

In the default configuration, the agent web server is enabled on port 4007 for access from the same computer, eveen if the agent GuiMode parameter is set to NoWindow. You should make sure to change the web server setup in the agent configuration (as explained in the following) if you want to change this.

Access Agent Web Interface

The agent web interface can be reached on the '/' resource on the configured port, which will redirect you to the '/cmd/cmd ' resource.

By default you'll see the View > Status page.

The agent web interface's yellow menu bar provides access to a wide range of configuration information as well as data collected by the agent.

Example: Select View > IP Data to view IP-traffic data measured by the agent. This is the same as typing view ip data in the agent's Telnet interface.

Example: Select View > DNS to view all entries in the agent's reverse DNS cache. This is the same as typing view dns in the agent's Telnet interface.

Agent 'Get' Interface

There is an additional web-based interface URL, which is normally used to relay information to the system tray icon. This interface is reached on, for example, http://localhost:4007/get/get?version=0.
One or more parameters may be queried in a single request:

Parameter	Value
version	Build label
isservice	true if the agent runs as a windows service
build_time	Date and time of compilation
window_title	Window title to use for Agent
agent_name	Name of agent distinguishes OEM agents
agent_dir	Catalog where agent is installed
agent_id	ID assigned by PerformanceGuard backend server for the agent
configuration_id	ID of the configuration currently used by the agent
protocolversion	Version of the protocol used to communicate with the PerformanceGuard backend
GUImode	Configuration values that control how the agent should be presented
configuration	Agent configuration string

The following command will query all variables:

http://localhost:4007/get/get?version=0&isservice=0&build_time=0&window_title=0&agent_name

Result:

version=Internal Jun 27 2007 09:44:48
isservice=no
build_time=-
window_title=PremiTech PerformanceGuard Agent
agent_name=GuardAgentD
agent_dir=C:\Dev\bugfix-pg-5-1\premitech\bin\win32
agent_id=5
configuration_id=1
protocolversion=510
GUImode=Icon Window NoExit AutoHide SendReport
configuration="Promiscuous=false
FrameType=Ethernet
DiscoverServerPorts=true
TCPReport=true
UDPReport=true
UDPLocalPortBlackList=1-1024
CitrixReport=true
CitrixStatInterval=10
ProcessStatInterval=10
DiskIOReport=true
CPUUsageLimit=1
CPUTop=0
MemTop=0
GUIMode=Icon Window NoExit AutoHide SendReport
SocketReadTimeOut=6000
keepalivefilter=Server=0.0.0.0/0 Port=0-65535 Type=TCPKeepAlive\tServer=0.0.0.0/0 Port=139
Type=NetBiosKeepAlive
TelnetClientList=127.0.0.1/8
ReportInterval=60
HistogramIntervals=10,20,50,100,200,500,1000,2000,5000"

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