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>Software -Networking/Encryption</TITLE
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>Securing and Optimizing Linux: RedHat Edition -A Hands on Guide</TH
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>Chapter 24. Software -Networking/Encryption</A
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><DIV
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><DL
><DT
><B
>Table of Contents</B
></DT
><DT
>24.1. <A
HREF="opssl.html"
>Linux OPENSSL Server</A
></DT
><DT
>24.2. <A
HREF="chap24sec192.html"
>Compile and Optimize</A
></DT
><DT
>24.3. <A
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>Configure OpenSSL to optimise</A
></DT
><DT
>24.4. <A
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>The <TT
CLASS="filename"
>/etc/ssl/openssl.cnf</TT
> file</A
></DT
><DT
>24.5. <A
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>Create the <TT
CLASS="filename"
>/usr/bin/sign.sh</TT
> program file</A
></DT
><DT
>24.6. <A
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>Commands -often used</A
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><DT
>24.7. <A
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>Securing OpenSSL</A
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>24.8. <A
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>Installed files</A
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>&#13; Most server software like <SPAN
CLASS="acronym"
>IMAP</SPAN
> &#38; <SPAN
CLASS="acronym"
>POP</SPAN
>, Samba, OpenLDAP, <SPAN
CLASS="acronym"
>FTP</SPAN
>, Apache, and others that ask for users authentication before allowing services, by default transmit the user's
identification and password in plain text. Alternatively, encryption mechanisms like <SPAN
CLASS="acronym"
>SSL</SPAN
> ensure safe and secure transactions. With this technology, data going over the network is point-to-point encrypted. Once OpenSSL
has been installed on your Linux server you can use it as a third party tool to enable other applications with <SPAN
CLASS="acronym"
>SSL</SPAN
> functionality.
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