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    <title>topic Re: unable to block facebook posting ? in General Topics</title>
    <link>https://community.checkpoint.com/t5/General-Topics/unable-to-block-facebook-posting/m-p/17030#M2851</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This should be in &lt;A href="https://community.checkpoint.com/space/2030"&gt;General Product Topics&lt;/A&gt;‌.&lt;/P&gt;&lt;P&gt;If you're trying to access &lt;A href="http://www.facebook.com"&gt;http://www.facebook.com&lt;/A&gt;&amp;nbsp;(note the non HTTPS url), I would expect that to fail only because your browser is enforcing HTTPS (this is what HSTS does) and this should have nothing to do with HTTPS Inspection.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The only reason I can think you may have seen this with an HTTPS URL is you didn't configure the&amp;nbsp;browser with the HTTPS Inspection CA key as being trusted.&lt;/P&gt;&lt;P&gt;This is required for HTTPS Inspection to work properly&amp;nbsp;and absolutely mandatory to access any site requiring HSTS (like Facebook):&amp;nbsp;&lt;A class="link-titled" href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;amp;solutionid=sk106996" title="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;amp;solutionid=sk106996"&gt;"HTTP Strict Transport Security" (HSTS) header handling in HTTPS Inspection&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Did you do this?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 15 Nov 2018 13:19:57 GMT</pubDate>
    <dc:creator>PhoneBoy</dc:creator>
    <dc:date>2018-11-15T13:19:57Z</dc:date>
    <item>
      <title>unable to block facebook posting ?</title>
      <link>https://community.checkpoint.com/t5/General-Topics/unable-to-block-facebook-posting/m-p/17029#M2850</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi&lt;/P&gt;&lt;P style="padding: 0px; min-height: 8pt;"&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am unable to block facebook posting. i have enable http inspections .&amp;nbsp; every time I am getting below error while accessing even facebook on client machine.&lt;/P&gt;&lt;P&gt;NET::ERR_CERT_AUTHORITY_INVALID on client in checkpoint&lt;/P&gt;&lt;P style="padding: 0px; min-height: 8pt;"&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;You cannot visit &lt;A href="http://www.facebook.com/" rel="nofollow"&gt;&lt;SPAN style="color: #0066cc; text-decoration: underline;"&gt;www.facebook.com&lt;/SPAN&gt;&lt;/A&gt; right now because the website uses HSTS&amp;amp;oq=You cannot visit &lt;A href="http://www.facebook.com/" rel="nofollow"&gt;&lt;SPAN style="color: #0066cc; text-decoration: underline;"&gt;www.facebook.com&lt;/SPAN&gt;&lt;/A&gt; right now because the website uses HSTS&amp;amp;aqs=chrome..69i57j69i59.1146j0j7&amp;amp;sourceid=chr&lt;/P&gt;&lt;P style="padding: 0px; min-height: 8pt;"&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 15 Nov 2018 12:45:42 GMT</pubDate>
      <guid>https://community.checkpoint.com/t5/General-Topics/unable-to-block-facebook-posting/m-p/17029#M2850</guid>
      <dc:creator>vikas_kapoor</dc:creator>
      <dc:date>2018-11-15T12:45:42Z</dc:date>
    </item>
    <item>
      <title>Re: unable to block facebook posting ?</title>
      <link>https://community.checkpoint.com/t5/General-Topics/unable-to-block-facebook-posting/m-p/17030#M2851</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This should be in &lt;A href="https://community.checkpoint.com/space/2030"&gt;General Product Topics&lt;/A&gt;‌.&lt;/P&gt;&lt;P&gt;If you're trying to access &lt;A href="http://www.facebook.com"&gt;http://www.facebook.com&lt;/A&gt;&amp;nbsp;(note the non HTTPS url), I would expect that to fail only because your browser is enforcing HTTPS (this is what HSTS does) and this should have nothing to do with HTTPS Inspection.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The only reason I can think you may have seen this with an HTTPS URL is you didn't configure the&amp;nbsp;browser with the HTTPS Inspection CA key as being trusted.&lt;/P&gt;&lt;P&gt;This is required for HTTPS Inspection to work properly&amp;nbsp;and absolutely mandatory to access any site requiring HSTS (like Facebook):&amp;nbsp;&lt;A class="link-titled" href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;amp;solutionid=sk106996" title="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;amp;solutionid=sk106996"&gt;"HTTP Strict Transport Security" (HSTS) header handling in HTTPS Inspection&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Did you do this?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 15 Nov 2018 13:19:57 GMT</pubDate>
      <guid>https://community.checkpoint.com/t5/General-Topics/unable-to-block-facebook-posting/m-p/17030#M2851</guid>
      <dc:creator>PhoneBoy</dc:creator>
      <dc:date>2018-11-15T13:19:57Z</dc:date>
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