How do I perform diagnostics on iPrism?

This article lists various diagnostic tasks that can be performed in iPrism. Additionally, other diagnostic techniques may also be listed.  It is intended as a quick reference to various examples. Note that these examples may be embedded in other articles.

Using Real-Time Monitor (RTM) as a Diagnostic Tool

Pinging an IP or Hostname

Running an iPrism Self-Check

Checking Duplex Settings

Checking Filter List Age

Checking for a disjoined Domain

Checking iPrism Email Destinations

Checking URL Ratings and Web Access

Checking 'iPrism Update Server' (IUS) Connectivity

Checking the iPrism Routing Table

Checking User's Windows Authentication Credentials

Checking User's current Login-Account

Checking a User's Global Group Membership

Checking iPrism Trusted Domains

LDAP Diagnostics

Enabling a Tech-Support Tunnel

Other Diagnostics or Tools

Checking Internet Throughput

Wireshark (Ethereal) as a Diagnostic Tool to Examine Network Traffic

How do I increase the Logging Level of my Domain Controller?

Network/Netmask Calculators

HTTP Server Status Codes