ISA Firewall Test

This test reports statistics pertaining to the Firewall service of the ISA Proxy server 2004.

Target of the test : An ISA Proxy server 2004

Agent deploying the test : An internal agent

Outputs of the test : One set of results for every ISA Proxy server that is being monitored

Configurable parameters for the test
Parameters Description

Test period

This indicates how often should the test be executed.


The host for which the test is to be configured.


Refers to the port used by the ISA Proxy server.

Measurements made by the test
Measurement Description Measurement Unit Interpretation

DNS cache hit ratio

Indicates the percentage of DNS domain names retrieved from the DNS cache.



Pending DNS resolutions

Indicates the number of gethostbyname and gethostbyaddr API calls pending resolution. These are calls used to resolve host DNS domain names and IP addresses for Firewall Service connections.



Worker threads

Indicates the number of Firewall Service worker threads that are currently alive.


A high value indicates that the current workload of the ISA Proxy Server is very high.