<div dir="ltr">SINFP method is used to get the kernel information.<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 28, 2020 at 11:10 AM lists <<a href="mailto:lists@lazygranch.com">lists@lazygranch.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="background-color:rgb(255,255,255);background-image:initial;line-height:initial"><div id="gmail-m_-479715111517355810response_container_BBPPID" style="outline:currentcolor none medium" dir="auto"> <div name="BB10" id="gmail-m_-479715111517355810BB10_response_div_BBPPID" dir="auto" style="width:100%"> Well I know nmap can detect the OS. I don't recall it could detect the rev of the kernel. </div><div name="BB10" id="gmail-m_-479715111517355810BB10_response_div_BBPPID" dir="auto" style="width:100%"><br></div><div name="BB10" id="gmail-m_-479715111517355810BB10_response_div_BBPPID" dir="auto" style="width:100%"><a href="https://nmap.org/book/man-os-detection.html" target="_blank">https://nmap.org/book/man-os-detection.html</a></div><div name="BB10" id="gmail-m_-479715111517355810BB10_response_div_BBPPID" dir="auto" style="width:100%"><br></div><div name="BB10" id="gmail-m_-479715111517355810BB10_response_div_BBPPID" dir="auto" style="width:100%"><a href="https://nmap.org/book/defenses.html" target="_blank">https://nmap.org/book/defenses.html</a></div>                                                                                                                                      <div name="BB10" id="gmail-m_-479715111517355810response_div_spacer_BBPPID" dir="auto" style="width:100%"> <br style="display:initial"></div> <div id="gmail-m_-479715111517355810blackberry_signature_BBPPID" name="BB10" dir="auto">     <div id="gmail-m_-479715111517355810_signaturePlaceholder_BBPPID" name="BB10" dir="auto"></div> </div></div><div id="gmail-m_-479715111517355810_original_msg_header_BBPPID" dir="auto">                                                                                                                                             <table id="gmail-m_-479715111517355810_pHCWrapper_BBPPID" style="border-spacing:0px;display:table;outline:currentcolor none medium" width="100%"><tbody><tr><td colspan="2" style="padding:initial;font-size:initial;text-align:initial">                           <div style="border-color:rgb(181,196,223) currentcolor currentcolor;border-style:solid none none;border-width:1pt medium medium;padding:3pt 0in 0in;font-family:Tahoma,"BB Alpha Sans","Slate Pro";font-size:10pt">  <div id="gmail-m_-479715111517355810from"><b>From:</b> <a href="mailto:praveenssit@gmail.com" target="_blank">praveenssit@gmail.com</a></div><div id="gmail-m_-479715111517355810sent"><b>Sent:</b> April 27, 2020 9:41 PM</div><div id="gmail-m_-479715111517355810to"><b>To:</b> <a href="mailto:nginx@nginx.org" target="_blank">nginx@nginx.org</a></div><div id="gmail-m_-479715111517355810reply_to"><b>Reply-to:</b> <a href="mailto:nginx@nginx.org" target="_blank">nginx@nginx.org</a></div><div id="gmail-m_-479715111517355810subject"><b>Subject:</b> How to hide kernel information</div></div></td></tr></tbody></table> <br> </div><div name="BB10" dir="auto" style="background-image:initial;line-height:initial;outline:currentcolor none medium"><div dir="ltr"><div>Hello,</div><div><br></div><div>I have hosted Nginx 1.16.1 on Ubuntu 16.04. Have configured SSL from LetsEncrypt. Everything is running fine. Only port 80 and 443 are allowed.<br></div><div><br></div><div>During security testing, I see that kernel information is exposed on domain. More details at <a href="https://www.tenable.com/plugins/nessus/11936" target="_blank">https://www.tenable.com/plugins/nessus/11936</a></div><div><br></div><div>Is there any way to hide kernel information using Nginx ?</div><div><br></div><div>Cheers,</div><div>PK<br></div></div>
</div></div>_______________________________________________<br>
nginx mailing list<br>
<a href="mailto:nginx@nginx.org" target="_blank">nginx@nginx.org</a><br>
<a href="http://mailman.nginx.org/mailman/listinfo/nginx" rel="noreferrer" target="_blank">http://mailman.nginx.org/mailman/listinfo/nginx</a></blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><font style="font-family:courier new,monospace" size="1"><b style="color:rgb(102,102,102)">Regards,<br><br></b></font><div style="color:rgb(102,102,102)"><font size="1"><b><font face="'comic sans ms', sans-serif"><font style="font-family:courier new,monospace" size="1">K S Praveen Kumar<br>M: +91-9986855625 </font><br></font></b></font></div></div>