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Mention a potential net.inet.ip.random_id drawback.

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Submitted by:	ru
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Maxim Konovalov 2004-08-16 06:30:58 +00:00
parent dbc13869ee
commit b2df3ab18e
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share/man/man4/inet.4
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@ -297,6 +297,8 @@ incremented by 1 with each packet generated.
This closes a minor information leak which allows remote observers to
determine the rate of packet generation on the machine by watching the
counter.
In the same time, on high-speed links, it can decrease the ID reuse
cycle greatly.
Default is 0 (sequential IP IDs).
IPv6 flow IDs and fragment IDs are always random.
.El