<HTML ><HEAD ><TITLE >Send Information Back Judiciously</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Secure Programming for Linux and Unix HOWTO" HREF="index.html"><LINK REL="PREVIOUS" TITLE="Hide Sensitive Information" HREF="hide-sensitive-information.html"><LINK REL="NEXT" TITLE="Minimize Feedback" HREF="minimize-feedback.html"></HEAD ><BODY CLASS="CHAPTER" 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" >Secure Programming for Linux and Unix HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="hide-sensitive-information.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="minimize-feedback.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="CHAPTER" ><H1 ><A NAME="OUTPUT" ></A >Chapter 9. Send Information Back Judiciously</H1 ><TABLE BORDER="0" WIDTH="100%" CELLSPACING="0" CELLPADDING="0" CLASS="EPIGRAPH" ><TR ><TD WIDTH="45%" > </TD ><TD WIDTH="45%" ALIGN="LEFT" VALIGN="TOP" ><I ><P ><I >Do not answer a fool according to his folly, or you will be like him yourself.</I ></P ></I ></TD ></TR ><TR ><TD WIDTH="45%" > </TD ><TD WIDTH="45%" ALIGN="RIGHT" VALIGN="TOP" ><I ><SPAN CLASS="ATTRIBUTION" >Proverbs 26:4 (NIV)</SPAN ></I ></TD ></TR ></TABLE ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT >9.1. <A HREF="minimize-feedback.html" >Minimize Feedback</A ></DT ><DT >9.2. <A HREF="no-comments.html" >Don't Include Comments</A ></DT ><DT >9.3. <A HREF="handle-full-output.html" >Handle Full/Unresponsive Output</A ></DT ><DT >9.4. <A HREF="control-formatting.html" >Control Data Formatting (Format Strings/Formatation)</A ></DT ><DT >9.5. <A HREF="output-character-encoding.html" >Control Character Encoding in Output</A ></DT ><DT >9.6. <A HREF="prevent-include-access.html" >Prevent Include/Configuration File Access</A ></DT ></DL ></DIV ></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="hide-sensitive-information.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="minimize-feedback.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Hide Sensitive Information</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Minimize Feedback</TD ></TR ></TABLE ></DIV ></BODY ></HTML >