PRTG Manual: SSL Security Check Sensor
The SSL Security Check sensor monitors Secure Sockets Layer (SSL)/Transport Layer Security (TLS) connectivity to the port of a device. It tries to connect to the specified TCP/IP port number of a device with different SSL/TLS versions and shows if the device supports a particular protocol.
For a detailed list and descriptions of the channels that this sensor can show, see section Channel List.
- Dutch: SSL Security Check
- French: SSL vérification de sécurité
- German: SSL-Sicherheitsüberprüfung
- Japanese: SSL セキュリティーチェック
- Portuguese: Verificação de segurança SSL
- Russian: Проверка безопасности SSL
- Simplified Chinese: SSL 安全检查
- Spanish: Comprobación de seguridad SSL
- This sensor only checks accepted protocols. It does not consider the used ciphers.
- This sensor supports IPv6.
- This sensor has a very low performance impact.
- This sensor uses lookups to determine the status values of one or more channels.
- Knowledge Base: How do you determine the protocol security ratings of the SSL Security Check sensor?
Setting |
Description |
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Sensor Name |
Enter a name to identify the sensor. By default, PRTG shows this name in the device tree, as well as in alarms, logs, notifications, reports, maps, libraries, and tickets.
|
Parent Tags |
The tags that the sensor inherits from its parent device, parent group, and parent probe.
|
Tags |
Enter one or more tags. Confirm each tag with the Spacebar key, a comma, or the Enter key. You can use tags to group objects and use tag-filtered views later on. Tags are not case-sensitive. Tags are automatically inherited.
The sensor has the following default tags that are automatically predefined in the sensor's settings when you add the sensor:
|
Priority |
Select a priority for the sensor. This setting determines the position of the sensor in lists. The highest priority is at the top of a list. Choose from the lowest priority ( |
Setting |
Description |
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Timeout (Sec.) |
Enter a timeout in seconds for the request. Enter an integer. The maximum timeout value is 900 seconds (15 minutes).
|
Port |
Enter the number of the port to which this sensor connects. Enter an integer. The default port is 443. |
Virtual Host (SNI Domain) |
Enter the host name that the sensor queries. The sensor uses this host for the connection if the target server has multiple certificates on the same IP address and IP port when using Server Name Indication (SNI). |
Setting |
Description |
---|---|
Use SOCKS Proxy (v5 only) |
Define if the sensor uses a SOCKS proxy server for the sensor connection:
|
Server |
This setting is only visible if you select Use SOCKS proxy above. Enter the IP address or host name of the proxy server that the sensor uses for connection. |
Port |
This setting is only visible if you select Use SOCKS proxy above. Enter the port number of the proxy server that the sensor uses for connection. |
User Name |
This setting is only visible if you select Use SOCKS proxy above. If the proxy server requires authentication, enter a user name. |
Password |
This setting is only visible if you select Use SOCKS proxy above. If the proxy server requires authentication, enter the password for the user you specified above. |
Setting |
Description |
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Primary Channel |
Select a channel from the list to define it as the primary channel. In the device tree, the last value of the primary channel is always displayed below the sensor's name. The available options depend on what channels are available for this sensor.
|
Graph Type |
Define how different channels are shown for this sensor:
|
Stack Unit |
This setting is only visible if you enable Stack channels on top of each other as Graph Type. Select a unit from the list. All channels with this unit are stacked on top of each other. By default, you cannot exclude single channels from stacking if they use the selected unit. However, there is an advanced procedure to do so. |
By default, all of these settings are inherited from objects that are higher in the hierarchy. We recommend that you change them centrally in the root group settings if necessary. To change a setting for this object only, click under the corresponding setting name to disable the inheritance and to display its options.
For more information, see section Inheritance of Settings.
For more information, see section Root Group Settings, section Scanning Interval.
Schedules, Dependencies, and Maintenance Window
You cannot interrupt the inheritance for schedules, dependencies, and maintenance windows. The corresponding settings from the parent objects are always active. However, you can define additional schedules, dependencies, and maintenance windows. They are active at the same time as the parent objects' settings.
For more information, see section Root Group Settings, section Schedules, Dependencies, and Maintenance Window.
For more information, see section Root Group Settings, section Access Rights.
Which channels the sensor actually shows might depend on the target device, the available components, and the sensor setup.
Channel |
Description |
---|---|
Downtime |
In the channel table on the Overview tab, this channel never shows any values. PRTG uses this channel in graphs and reports to show the amount of time in which the sensor was in the Down status |
Security Rating |
The security of the connection to the defined port
|
SSL 2.0 (Deprecated) |
No longer available |
SSL 3.0 (Weak) |
The status of connections using SSL v3
|
TLS 1.0 (Weak) |
The status of connections using TLS 1.0
|
TLS 1.1 (Weak) |
The status of connections using TLS 1.1
|
TLS 1.2 (Strong) |
The status of connections using TLS 1.2
|
TLS 1.3 (Perfect) |
The status of connections using TLS 1.3
|
KNOWLEDGE BASE
What security features does PRTG include?
How do you determine the protocol security ratings of the SSL Security Check sensor?