50FilteringTo enable IP and/or MAC filtering, click the IP Filter Enable and/or MAC Filter Enable checkbox. There are a maximum of 100filters allowed for each.• If the include button is checked, all the addresses withinthe filter range are allowed access to the B064-Series KVMSwitch; all other addresses are denied access.• If the exclude button is checked, all the addresses withinthe filter range are denied access to the B064-Series KVMSwitch; all other addresses are allowed access.IP FilteringTo add an IP filter:1. Check the IP Filter Enable check box.2. Click Add. A dialog box similar to the one below appears:3. Check the IPv4 or IPv6 option, depending on what type ofaddress you are filtering.Note: You must access the OSD via the local console or one of thenon-browser clients in order to filter an IPv6 address. When accessingthe OSD via browser, you are only able to set up IPv4 filters.4. To filter a single IP address, check the Single IP checkboxand enter the IP address you want to filter in the From field.Note: This feature is not available when accessing the OSD viabrowser. To filter a single IP address via the browser OSD, you mustenter in the same IP address in both the From and To fields.5. To filter a range of IP addresses, enter the starting IP addressin the From field, and the ending IP address in the To field.6. After filtering in the addresses, click OK.7. Repeat these steps for any additional IP addresses you wantto filter.To delete an IP filter:Select the desired IP filter from the list and click Remove.To modify an IP filter:1. Select the desired IP filter from the list and click Edit. An Editdialog box similar to the Add dialog box will appear.2. Delete the old start IP address and replace it with the newone.3. Delete the old end IP address and replace it with the newone. Click OK.Note: To block a computer from accessing the B064-Series KVM Switch,you do not need to filter both its IP address and its MAC address. Anycomputer blocked by an IP filter will be denied access to the KVM switch,even if the computer is allowed to access the KVM switch under the MACfilters that are set up.OSD OperationSecuritySetting DescriptionAllowed Determines the number of failed login attempts an account gets before they are prevented from accessingthe KVM switch.Timeout Determines the amount of time that the user is prevented from accessing the KVM switch afterexceeding the maximum number of failed login attempts.Lock Client PC When this checkbox is checked, the computer used to unsuccessfully access the KVM will be locked outafter exceeding the maximum number of failed login attempts.Note: This feature blocks the computer using its IP address. If the computer IP address is changed, it will be able to accessthe KVM in spite of this setting.Lock Account When this checkbox is checked, the account used to unsuccessfully access the KVM will be locked outafter exceeding the maximum number of failed login attempts.Login FailuresThe Login Failures section allows you to set up the parameters for what occurs when an account fails to login successfully. Toenable the settings entered here, check the Enable checkbox. The table below describes the settings found in this section.Note: When the Login Failures settings are disabled, there is no restriction on the number of login failures. It is strongly recommended that you enablethese features, and that both the Lock Client PC and Lock Account settings are enabled.