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On Tue, Jan 29, 2013 at 9:45 AM, James <wireless@×××××××××××.com> wrote: |
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> Hello, |
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> |
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> From here: http://ebtables.sourceforge.net/ |
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> |
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> |
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> We read: |
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> The ebtables tool can be combined with the other Linux filtering tools |
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> (iptables, ip6tables and arptables) to make a bridging firewall that is also |
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> capable of filtering these higher network layers. This is enabled through the |
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> bridge-netfilter architecture which is a part of the standard Linux kernel. |
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> |
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> |
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> Can someone explain to me when/how you would use ebtables |
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> for enhanced security, or forward me to a good written |
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> presentation on when, why or how to deploy ebtables? |
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> Maybe a package already blends these components together? |
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> I recently saw ebtables pop up in a commercial product |
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> ( sniffed terminal boot session) offered by Seimens...... |
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> |
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> |
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> Of keen interest is documentation/experiences on the |
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> Gentoo platform when using ebtables. Googling has provided little. |
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> |
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> |
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> curiously, |
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> James |
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> |
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> |
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iptables and ip6tables operate at the data layer, layer 3. |
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ebtables operates at the link layer, layer 2. |
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This is really the best explanation I can offer, as I haven't used |
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ebtables myself: |
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http://upload.wikimedia.org/wikipedia/commons/3/37/Netfilter-packet-flow.svg |
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-- |
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:wq |
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