Before setting the Default Policy to Drop, i.e. to apply the local firewall rules and to drop any incoming call that does not match a rule, review your rules to make sure that at least one rule accepts incoming packets for management, otherwise the communication with the Mediatrix Sentinel will be lost.
For example, if the Web interface is used for management (HTTP port 80) via the unit's LAN interface (default IP address = 192.168.0.10), then the following rule could be added:Activation=Enable / Destination Address=192.168.0.10 / Destination port=80 / Protocol=TCP / Action=Accept
For blacklisting to be used, at least one firewall rule must have the Black listing enable box checked.
Before setting the Default Policy to Drop, review your rules to make sure that at least one rule accepts incoming packets, otherwise the communication with the Mediatrix Sentinel will be lost.
Take the time to carefully review your rules before continuing to the next step.
If a rule with the Black listing enable box checked matches a packet and no Rate Limit Value was set, then the source address of the packet will be black listed and all packets coming from this address will be blocked for the duration of the Blacklist Timeout.
If a rule with the Black listing enable box checked matches a packet and the Rate Limit Value has been reached, then the source address of the packet will be black listed and all packets coming from this address will be blocked for the duration set for the Blacklist Rate Limit Timeout.
The Mediatrix unit does not support a mix of both TLS and non-TLS links. Once TLS is enabled, all configured gateways will use TLS, and all other protocols will be disabled.
Make sure the Telnet access is disabled. You can look at the Cli.EnableTelnet variable to verify if Telnet connections are allowed. The access is disabled by default.
If you are not familiar with the meaning of the fields and buttons, click Show Help, located at the upper right corner of the Web page. When activated, the fields and buttons that offer online help will change to green and if you hover over them, the description will be displayed.
Mediatrix units are supplied with an exhaustive set of documentation.
Mediatrix user documentation is available on the Documentation Portal .
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