<p><strong>1．</strong><strong>What free security tools do Ping An Cloud provide?</strong></p> <p>The free software provided by Ping An Cloud includes Ping An Hotfix, Pingan Guard, and Basic Edition of PHS.</p> <p>2．<strong>What operating systems do Ping An Hotfix, Pingan Guard, and PHS support?</strong></p> <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="vertical-align:top"> <p><strong>Software</strong></p> </td> <td style="vertical-align:top"> <p><strong>Operation System</strong></p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Ping An Hotfix</p> </td> <td style="vertical-align:top"> <p>Linux（RHEL、CentOS、Oracle Linux）</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Pingan Guard</p> </td> <td style="vertical-align:top"> <p>Windows</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>PHS</p> </td> <td style="vertical-align:top"> <p>Linux</p> </td> </tr> </tbody> </table> <p><strong>3．</strong><strong>Which regions of ECS support the security group function?</strong></p> <p>All regions support the security group function.</p> <p><strong>4．</strong><strong>Does Pingan Guard charge?</strong></p> <p>No, Pingan Guard is a Windows system anti-virus software provided by Ping An Cloud for free, and provides cloud killing function for ECS.</p> <p><strong>5．</strong><strong>What kind of anti-virus engine does Pingan Guard use?</strong></p> <p>Pingan Guard uses the McAfee anti-virus engine, which can effectively protect the security of your ECS and prevent virus attacks in a timely manner.</p>