ip_always_defrag setting for hosts (not routers)

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Hello All,

The info in Documentation/proc.txt for the
ip_always_defrag sysctl variable states that : 

"never ever say Y here for a normal router or host."

For a router, the possibility of not all fragments 
being routed through the same router(s) is a clear
reason for this statement. However, why is this option

ruled out for a host which is a simple endpoint for 
IP-traffic ?

My interest is mainly because enabling the option 
would simplify the IPCHAINS rules required to 
provide packet filtering of selected services on
a web server host.

Is there a performance reason for not enabling the
option or is there another rationale ?

Any info appreciated.

Many thanks,
James Griffiths


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