<HTML ><HEAD ><TITLE >BIOS features</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Remote Serial Console HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Security" HREF="security.html"><LINK REL="PREVIOUS" TITLE="Modem features to restrict usage" HREF="security-modem.html"><LINK REL="NEXT" TITLE="Use a boot loader password" HREF="security-bootloader.html"></HEAD ><BODY CLASS="SECTION" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Remote Serial Console HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="security-modem.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 9. Security</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="security-bootloader.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECTION" ><H1 CLASS="SECTION" ><A NAME="SECURITY-BIOS" ></A >9.6. <SPAN CLASS="ACRONYM" >BIOS</SPAN > features</H1 ><P >Most <SPAN CLASS="ACRONYM" >BIOS</SPAN >s can be configured with a <SPAN CLASS="QUOTE" >"configuration password"</SPAN >. This should set and tested. Some motherboards will require a jumper to be set to allow the password to take effect. Some <SPAN CLASS="ACRONYM" >BIOS</SPAN >s have well-known <SPAN CLASS="QUOTE" >"master passwords"</SPAN >, use a search engine to ensure that your <SPAN CLASS="ACRONYM" >BIOS</SPAN > is not one of these. The password should not be the same as the boot loader or <SPAN CLASS="SYSTEMITEM" >root</SPAN > passwords.</P ><P >The <SPAN CLASS="ACRONYM" >BIOS</SPAN > configuration will have a <SPAN CLASS="QUOTE" >"boot order"</SPAN > setting. It should be set to boot from the hard disk before any other media. This prevents someone inserting a rescue diskette, booting the machine, and gaining access to the filesystems as <SPAN CLASS="SYSTEMITEM" >root</SPAN >.</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="security-modem.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="security-bootloader.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Modem features to restrict usage</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="security.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Use a boot loader password</TD ></TR ></TABLE ></DIV ></BODY ></HTML >