Red Hat NETWORK BASIC - USER REFERENCE GUIDE 4.0 Guia do Utilizador descarregar pdf (Página 45)

PVS Web Server Idle

Session Timeout

This setting is the number of minutes after which a web session becomes idle. The

default setting for this timeout is 30 minutes. The valid settings are between 5 and 60

minutes.

Enable SSL Client

Certificate Authentication

When selected, the web server will only accept SSL client certificates for user

authentication.

Enable Debug Logging for

PVS Web Server

When selected, debug information will be included in the web server logs for

troubleshooting issues related to the web server. The logs will grow rather large if this

is routinely enabled.

Plugins

Process High Speed

Plugins Only

PVS is designed to expect to find various protocols on non-standard ports. For example,

PVS can easily find an Apache server running on a port other than 80. However, on a

high traffic network, PVS can be placed into a “high-speed” mode that allows it to focus

certain plugins on specific ports. When the high speed option is enabled, any plugin that

utilizes the keywords hs_dport or hs_sport will be executed only on traffic traversing

the specified ports.

Enable Automatic Plugin

Updates

When enabled, PVS will automatically update its plugins from the Tenable site on a

daily basis. Disabling this option if the PVS server is not connected to the Internet is

recommended.

When the HTML Client is updated the web browser needs to be refreshed

to utilize the new client. In some cases the browser’s cache must be

deleted to view the new client.

Realtime Events

Realtime Events File Size

The Realtime Events File Size option specifies the maximum amount of data from

real-time events that will be stored in one text file. The option must be specified in

kilobytes, megabytes, or gigabytes by appending a “K”, “M”, or “G” to the value.

Log Realtime Events

This option records PVS detected real-time events to a local log file.

Reports

Report Threshold

This setting is used to determine the number of times the encryption detection

algorithm is executed during a session. Once the threshold is reached, the algorithm is

no longer executed during the session. This variable has a default of “3”.

Report Lifetime

Reports can be cached for a specified number of days. After the configured day count is

met, PVS’s entire model of a discovered network is completely removed. PVS starts over

again learning about the hosts that are involved on the network. This value can be set to

a maximum value of 90 days, if this behavior is not desired. However, it is very useful to

have fresh reports on a weekly or monthly basis. The default value is 7 days.

Report Frequency

This variable specifies in minutes (default 15) how often the PVS will write a report.

SecurityCenter 4.6 and higher will retrieve the PVS report every 15 minutes.

Knowledgebase Lifetime

The maximum length of time in seconds that a knowledgebase entry remains valid

after its addition.

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