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| • |
TCP
bytes seems normal or low, TCP packets
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normal
or slightly higher, TCP flows high
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– |
look
for SYN flood or similar strangeness
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| • |
Ratio
of TCP to UDP/ICMP (any) decreasing
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– |
packet
loss on network causing TCP to back off
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| • |
Watch
high-traffic hosts and hosts which talk to
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many
other external machines
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– |
find
the owned warez box faster
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| • |
Look
for traffic which shouldn't make it through
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your
firewall configuration
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