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    <title>topic Change Topology / Anti-Spoofing in Spark Firewall (SMB)</title>
    <link>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251311#M12817</link>
    <description>&lt;P&gt;Hello,&lt;/P&gt;
&lt;P&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="0:1"&gt;I&lt;/SPAN&gt;&lt;SPAN&gt; have &lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="2:7"&gt;added&lt;/SPAN&gt;&lt;SPAN&gt; a &lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="10:5"&gt;new&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="16:9"&gt;interface&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="26:1"&gt;to&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="28:4"&gt;my&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="33:7"&gt;Quantum&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="41:5"&gt;Spark&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="47:4"&gt;1900&lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="51:1"&gt;,&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="53:7"&gt;which&lt;/SPAN&gt;&lt;SPAN&gt; is &lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="73:15"&gt;centrally&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="61:11"&gt;managed&lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="88:1"&gt;.&lt;BR /&gt;Then I&amp;nbsp;downloaded&amp;nbsp;&lt;SPAN&gt;the &lt;/SPAN&gt;new topology&amp;nbsp;on&amp;nbsp;SM, and&lt;SPAN&gt; I received&amp;nbsp;&lt;/SPAN&gt;&lt;SPAN&gt;a &lt;/SPAN&gt;warning that Anti-Spoofing&lt;SPAN&gt; is &lt;/SPAN&gt;not activated&lt;SPAN&gt;.&lt;BR /&gt;Unfortunately, I forgot how to do this in the CLI -&amp;nbsp;could you please remind me?&amp;nbsp;&lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="88:1"&gt;&lt;SPAN&gt;Thank you!&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Change Topology 1.png" style="width: 857px;"&gt;&lt;img src="https://community.checkpoint.com/t5/image/serverpage/image-id/30761i87432C1800DB1BFD/image-size/large?v=v2&amp;amp;px=999" role="button" title="Change Topology 1.png" alt="Change Topology 1.png" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
    <pubDate>Mon, 16 Jun 2025 08:53:40 GMT</pubDate>
    <dc:creator>Exonix</dc:creator>
    <dc:date>2025-06-16T08:53:40Z</dc:date>
    <item>
      <title>Change Topology / Anti-Spoofing</title>
      <link>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251311#M12817</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;
&lt;P&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="0:1"&gt;I&lt;/SPAN&gt;&lt;SPAN&gt; have &lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="2:7"&gt;added&lt;/SPAN&gt;&lt;SPAN&gt; a &lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="10:5"&gt;new&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="16:9"&gt;interface&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="26:1"&gt;to&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="28:4"&gt;my&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="33:7"&gt;Quantum&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="41:5"&gt;Spark&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="47:4"&gt;1900&lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="51:1"&gt;,&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="53:7"&gt;which&lt;/SPAN&gt;&lt;SPAN&gt; is &lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="73:15"&gt;centrally&lt;/SPAN&gt; &lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="61:11"&gt;managed&lt;/SPAN&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="88:1"&gt;.&lt;BR /&gt;Then I&amp;nbsp;downloaded&amp;nbsp;&lt;SPAN&gt;the &lt;/SPAN&gt;new topology&amp;nbsp;on&amp;nbsp;SM, and&lt;SPAN&gt; I received&amp;nbsp;&lt;/SPAN&gt;&lt;SPAN&gt;a &lt;/SPAN&gt;warning that Anti-Spoofing&lt;SPAN&gt; is &lt;/SPAN&gt;not activated&lt;SPAN&gt;.&lt;BR /&gt;Unfortunately, I forgot how to do this in the CLI -&amp;nbsp;could you please remind me?&amp;nbsp;&lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&lt;SPAN class="aNeGP0gI0B9AV8JaHPyH" data-src-align="88:1"&gt;&lt;SPAN&gt;Thank you!&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Change Topology 1.png" style="width: 857px;"&gt;&lt;img src="https://community.checkpoint.com/t5/image/serverpage/image-id/30761i87432C1800DB1BFD/image-size/large?v=v2&amp;amp;px=999" role="button" title="Change Topology 1.png" alt="Change Topology 1.png" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 16 Jun 2025 08:53:40 GMT</pubDate>
      <guid>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251311#M12817</guid>
      <dc:creator>Exonix</dc:creator>
      <dc:date>2025-06-16T08:53:40Z</dc:date>
    </item>
    <item>
      <title>Re: Change Topology / Anti-Spoofing</title>
      <link>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251313#M12818</link>
      <description>&lt;P&gt;Not sure what the CLI/API option might be, but if you want to edit those options you have to change the Security Blades option on the main Topology page to 'Manually defined'.&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot 2025-06-16 172242.png" style="width: 682px;"&gt;&lt;img src="https://community.checkpoint.com/t5/image/serverpage/image-id/30762i8F67C327CFAFA332/image-size/large?v=v2&amp;amp;px=999" role="button" title="Screenshot 2025-06-16 172242.png" alt="Screenshot 2025-06-16 172242.png" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 16 Jun 2025 09:24:14 GMT</pubDate>
      <guid>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251313#M12818</guid>
      <dc:creator>emmap</dc:creator>
      <dc:date>2025-06-16T09:24:14Z</dc:date>
    </item>
    <item>
      <title>Re: Change Topology / Anti-Spoofing</title>
      <link>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251317#M12819</link>
      <description>&lt;P&gt;thanks, good to know. I will use it if i don't find cli-solution I used earlier...&lt;/P&gt;</description>
      <pubDate>Mon, 16 Jun 2025 09:38:48 GMT</pubDate>
      <guid>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251317#M12819</guid>
      <dc:creator>Exonix</dc:creator>
      <dc:date>2025-06-16T09:38:48Z</dc:date>
    </item>
    <item>
      <title>Re: Change Topology / Anti-Spoofing</title>
      <link>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251340#M12820</link>
      <description>&lt;P&gt;I set it manually, then changen needed settings and then set it back to automatically - it worked!&lt;/P&gt;</description>
      <pubDate>Mon, 16 Jun 2025 13:10:06 GMT</pubDate>
      <guid>https://community.checkpoint.com/t5/Spark-Firewall-SMB/Change-Topology-Anti-Spoofing/m-p/251340#M12820</guid>
      <dc:creator>Exonix</dc:creator>
      <dc:date>2025-06-16T13:10:06Z</dc:date>
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