105 lines
3.9 KiB
HTML
105 lines
3.9 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
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<TITLE>Sentry Firewall CD HOWTO: Obtaining the CDROM</TITLE>
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<LINK HREF="Sentry-Firewall-CD-HOWTO-4.html" REL=next>
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<LINK HREF="Sentry-Firewall-CD-HOWTO-2.html" REL=previous>
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<LINK HREF="Sentry-Firewall-CD-HOWTO.html#toc3" REL=contents>
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<A HREF="Sentry-Firewall-CD-HOWTO-4.html">Next</A>
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<A HREF="Sentry-Firewall-CD-HOWTO.html#toc3">Contents</A>
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<HR>
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<H2><A NAME="s3">3. Obtaining the CDROM</A></H2>
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<H2><A NAME="ss3.1">3.1 Downloading</A>
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</H2>
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<P> The CDROM is distributed as a gzip or bzip2 compressed iso image, and is
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generally between 95-105MB in size. ISO images for the sentyrcd-RH branch are
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generally much larger, between 150-200MB in size. Available download mirrors
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are listed on the websites;
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<A HREF="http://www.SentryFirewall.com/">http://www.SentryFirewall.com/</A> or
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<A HREF="http://Sentry.Sourceforge.net/">http://Sentry.Sourceforge.net/</A>.
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<P>
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<P><BR>
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<H2><A NAME="ss3.2">3.2 Purchasing</A>
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</H2>
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<P> Although the iso image is free to use and distribute, copies of the Sentry
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Firewall CD mailed to you at a minimal cost. Custom versions of the CD and support
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can also be made available and tailored to a specific network configuration.
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<P>For more information about these services, please
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<A HREF="mailto:Obsid@Sentry.net">email me</A>.
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<P>
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<P><BR>
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<H2><A NAME="ss3.3">3.3 Burning the CDROM</A>
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</H2>
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<P> This section will attempt a general overview on how to burn the CD iso
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image once you have obtained it from one of the mirrors. All the commands
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presume you're working in Linux. Buring ISO images in Windows is not covered
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in this howto. If you are using windows then check out the
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<A HREF="http://www.e-smith.org/docs/howto/CD_burning_howto.php3">CD Burning Howto</A><P>First, let's decompress the iso image: <BR>
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<B>NOTE:</B> Make sure you have enough disk space, the decompressed iso image can be
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somewhere between 250MB and 400MB.
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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blah@wherever:~$ gzip -d sentrycd.iso.gz
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or
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blah@wherever:~$ bzip2 -d sentrycd.iso.bz2
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>Verify the integrity of the iso image,
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<BLOCKQUOTE><CODE>
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<PRE>
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blah@wherever:~$ md5sum -b sentrycd.iso
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>
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<P> Now, let's try to burn the CD. You'll need the 'cdrecord' utility
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available, it can be obtained
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<A HREF="http://www.fokus.gmd.de/research/cc/glone/employees/joerg.schilling/private/cdrecord.html">here</A>.
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You will want to run 'cdrecord -scanbus' in order to find the 'dev' value
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required for the following command. You will also need to know the write speed
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of your CDRW. Details on how to set this all up are beyond the scope of this
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document, please refer to the
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<A HREF="http://www.linux.org/docs/ldp/howto/CD-Writing-HOWTO.html">CD Writing HOWTO</A>
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for more details.
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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blah@wherever:~$ DEV="DEV_LINE_HERE" SPEED="SPEED"
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blah@wherever:~$ cdrecord -v -data speed=$SPEED dev=$DEV sentrycd.iso
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>That's it, you now have a Sentry Firewall CDROM. By the way, you
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may have to be 'root' to do all this.
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<P>Keep in mind, if you simply want to look at the ISO image without actually
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burning the CD, you can mount the image on a loopback device;
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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blah@wherever:~$ mount -o loop ./sentrycd.iso /MOUNT_POINT
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>Where "MOUNT_POINT" is where you would like the CD mounted. You may
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then 'cd' to the MOUNT_POINT directory and poke around - don't forget to 'umount' the
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image once you're finished. This assumes you have support in your kernel for
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the loopback device. You probably do, but once again, recompiling kernels is
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beyond the scope of this document.
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<P>
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<P>
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<P><BR>
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<HR>
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<A HREF="Sentry-Firewall-CD-HOWTO-4.html">Next</A>
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<A HREF="Sentry-Firewall-CD-HOWTO-2.html">Previous</A>
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<A HREF="Sentry-Firewall-CD-HOWTO.html#toc3">Contents</A>
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