Seitenhistorie

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Possibility 1: Limiting management access to specific IP addresses or IP address ranges

If access to the switch should only be allowed from is only accessed by devices with a specific IP addresses address or from devices within a specific IP address rangesrange, it is practical to limit access correspondinglyaccordingly. In doing so, the webinterface can only be invoked by a device with this IP address or from this IP address range.

For this purpose, adjust the following parameters in the menu Security → Access Management → Configuration  and click Apply:

• Set the Mode to Enabled.
• Specify an IP address range for Start IP Address and End IP Address from which access to the switch should be allowed. It is also possible to only allow access from a single IP address by entering the same IP address in both fields. 
• Choose, which management protocols should be allowed for the IP address or IP address range (HTTP/HTTPS, SNMP, Telnet/SSH).

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In the menu Security → Auth Method set the Authentication Method for the protcols protocols TFTP and HTTP to none to deactivate the login. Click Apply afterwards.

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Possibility 4: Configuration login lock

To complicate guessing make it more difficult to guess the login credentials via through multiple login-attempts, there is a brute force protection in the switch.

Modify the values for the Configuration login lock in the menu Security → Auth Method, if necessary. Click Apply afterwards.

Abschließender Schritt: Speichern der Start-Konfiguration:

Damit Konfigurations-Änderungen bootpersistent gespeichert werden, muss die Konfigration als Start-Konfiguration gespeichert werden.

Concluding step: Saving the start configuration

In order for configuration changes to be saved boot persistent, the configuration has to be saved as the start configuration.

Wechseln Sie in das Menü Navigate to the menu Maintenance → Save/Restore → Save Start und klicken auf Save, um die Konfiguration als Start-Konfiguration zu speichern. and click on Save so that the configuration is saved as a Start configuration.