144 lines
2.2 KiB
HTML
144 lines
2.2 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Security Considerations</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.63
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"><LINK
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REL="HOME"
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TITLE="Modem Sharing mini-HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="The Client Side"
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HREF="the-client-side.html"><LINK
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REL="NEXT"
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TITLE="Examples"
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HREF="examples.html"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Modem Sharing mini-HOWTO</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="the-client-side.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="examples.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="SECURITY-CONSIDERATIONS"
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>4. Security Considerations</A
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></H1
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><P
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>If you have only one modem for all your hosts in your local area
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network, there is probably no reason to worry about security here.
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However, if any one or more of the hosts in your LAN are connected to
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the Internet by other means than using the modem we have just setup as
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a modem server, then security considerations are required, otherwise
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anybody can do a <B
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CLASS="COMMAND"
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>telnet your_host modem</B
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> and dial
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out long distance or even international calls at will.</P
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><P
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>I suggest to install and configure tcp-wrappers in order to protect
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the modem server against unauthorized access.</P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="the-client-side.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="examples.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>The Client Side</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Examples</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |