ubnet to which the rule applies, specified in one of the following formats:</p>
<ul class="simple">
<li>IP_address/mask_length (for example, <code class="docutils literal notranslate"><span class="pre">192.168.0.1/24</span></code>)</li>
<li>IP_address/netmask (for example, <code class="docutils literal notranslate"><span class="pre">192.168.0.1/255.255.255.0</span></code>)</li>
<li>Network name, preceded by an equals (=) symbol (for example, <code class="docutils literal notranslate"><span class="pre">=EXAM