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Foglight 5.9.4 - Security and Compliance Guide

Security overview
Foglight security measures Customer security measures Security features in Foglight Disclaimer
Security features for APM appliances Usage feedback Appendix: FISMA compliance

Secure remote access

An authorized user can access an appliance remotely using one of the following secure methods: Remote Access Controller (DRAC) or SSH.

To use SSH, the user’s account on the appliance needs to be configured to enable SSH. By default, the setup account and all new accounts have SSH disabled. If SSH is enabled, the user account requires a strong password, which must contain at least the following elements:

For instructions, see the Foglight APM Installation and Setup Guide.

Restricted network ports for appliances

All appliances

Communicate with other appliances

Management Server —> Sniffer or Archiver


Communicate with other appliances

Management Server —> Archiver


Transmit capture data from Sniffers to Archivers

Sniffer —> Relayer —> Archiver

Management Server

Communicate with other appliances

Archiver or Sniffer —> Management Server

Management Server

Run the Foglight browser interface

Client —> Management Server

Management Server

Run the browser interface over a secure connection (HTTPS)

Client —> Management Server

All appliances

Enable remote access using SSH

Client —> Appliance

The following TCP ports are left open to detect port-scanning programs: 1, 11, 110, and 143. For more information, see Layer 2: Port scan detection and blocking tool. When time synchronization with a time server using NTP is enabled, UDP port 123 is open.

To use port 8443 instead of 8080, set the Management Server’s httpsonly option to true. When the Management Server is hosted on an appliance, the setting is located in the appliance.config file, which you can access from the command line.

Select Advanced Options.
Select Access Shell.
Type: vi /opt/quest/foglight/config.appliance/appliance.config
Type: rcfoglight restart

To enable remote access using SSH, open port 22 for individual Console Program user accounts.

Select Console User Accounts.
Select Modify Console User.
Select Enable/Disable SSH.

Defense against Denial-of-Service attacks

Any network services that are not required for the operation of APM appliances are removed. This reduces the possible avenues through which an attacker may attempt to gain access. For example, the appliance does not respond to ping requests. A firewall (Bastille) and a port scanning tool (Port Sentry) are used to restrict and monitor access to appliances. In addition, certain ports have been opened for the sole purpose of intrusion detection. If an appliance observes a computer probing any of these ports, it automatically records the computer’s IP address and blocks any future access. Such an event is recorded in the logs.

Logs for appliances

In addition to the logs provided by the Management Server (see “Audit log” and Log files ), appliances have the following types of logs:

Configuration Change Log — All changes to the configuration through the APM > Traffic Capture or APM > Traffic Analysis dashboards are recorded in the Configuration Change Log on the appliance hosting the Management Server. For more information, see “Managing Configuration Changes” in the Foglight® APM Administration and Configuration Guide.
Console Program Logs — Changes to the appliance are logged in the following logs:
Sniffer changes: /var/log/sniffer
Relayer changes: /var/log/relayer
Upgrade: /var/log/install and /var/log/rpmupgrade
Support Bundle Logs — Log files are also created when generating a support bundle from the Console Program, including:
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