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Foglight Agent Manager 5.9.3 - Foglight Agent Manager Guide

Configuring the embedded Agent Manager Installing external Agent Managers
Understanding how the Agent Manager communicates with the Management Server Deploying the Agent Manager cartridge Downloading the Agent Manager installer Installing the Agent Manager Starting or stopping the Agent Manager process Frequently asked questions
Configuring the Agent Manager Advanced system configuration and troubleshooting
Configuring Windows Management Instrumentation (WMI) Configuring Windows Remote Management (WinRM) UNIX- and Linux-specific configuration
Monitoring the Agent Manager performance Deploying the Agent Manager to large-scale environments

Enabling connection type debugging

If the only information you are interested in is the types of connections that are being established, there is a command-line setting that enables logging the connection types.

Run the Agent Manager with the following switch:

-Dquest.debug.windowsinfo.types

 
* 
NOTE: This logging occurs every time a connection is established and can be very verbose. It is recommended for debugging purposes only.

UNIX- and Linux-specific configuration

This contains platform-specific configuration information for configuring the Foglight Agent Manager on UNIX® or Linux®.

If your database is installed on an HP-UX server, regardless of the operating system, see Using the HP patch checking tool .

This section provides solutions for the following issues:

•
SSH IPv6 connection support
•
About supported remote monitoring protocols
•
Configuring the Agent Manager to run as a daemon
•
Configuring Agent Manager agent privileges
•
Using the HP patch checking tool
•
About Agent Manager installations on AIX
•
Preventing Agent Manager core dumps on Linux

SSH IPv6 connection support

Starting with the Foglight Agent Manager version 5.9.1, the SSH connection with unique local IPv6 Address and link-local IPv6 Address is supported on the Agent Manager running on Windows, Linux, and Solaris.

About supported remote monitoring protocols

The Agent Manager supports the SSH (secure shell) protocol for remote monitoring of hosts running Linux® and UNIX® operating systems. SSH is a protocol which encrypts all traffic between the client and the server, and supports a wide variety of secure authentication mechanisms. SSH is available for installation on all platforms supported for remote monitoring by Foglight.

The Agent Manager does not support the older Telnet protocol for remote monitoring. Telnet is an insecure protocol which does not encrypt traffic, and requires that the passwords used to authenticate collections are sent in the clear. For that reason, supporting Telnet as a remote monitoring protocol potentially exposes monitored systems to trivial network eavesdropping attacks, disclosing passwords to attackers.

While it is possible to create a closed network with strong security boundaries within which it is safe to run the Telnet protocol, this use case is not common, and it is impossible for the Agent Manager to determine if Telnet is safe to use before offering it as an option for connectivity. Further, the effort required on the part of the user to maintain such a secure environment is far less than that required to simply enable SSH connections on a host. For these reasons, the Agent Manager does not support Telnet as a remote monitoring protocol.

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