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l2-security-bh.ppt
NetOPS/SecOPS, WhoÕs Problem Is It?
¥ I handle security
issues at L3 and
above
¥ I have no idea if we
are using VLANs
¥ Why would I care
what the network
guy does with the
switch?
¥ I ask Netops for a
segment, they give
me ports and
addresses
¥ I handle security
issues at L3 and
above
¥ I have no idea if we
are using VLANs
¥ Why would I care
what the network
guy does with the
switch?
¥ I ask Netops for a
segment, they give
me ports and
addresses
Most NetOPS
Most NetOPS
Most SecOPS
Most SecOPS
¥ What is your stance
on L2 security
issues?
¥ Do you use VLANs
often?
¥ Do you ever put
different security
levels on the same
switch using
VLANs?
¥ What is the process
for allocating
addresses for
segments?
Questions:
Questions:
¥ There are L2
Security issues?
¥ I use VLANs all
the time
¥ Routing in and out
of the same switch
is OK by me! ThatÕs
what VLANs are for
¥ The security guy
asks me for a new
segment, I create a
VLAN and assign
him an address
space
¥ There are L2
Security issues?
¥ I use VLANs all
the time
¥ Routing in and out
of the same switch
is OK by me! ThatÕs
what VLANs are for
¥ The security guy
asks me for a new
segment, I create a
VLAN and assign
him an address
space
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