forked from Minki/linux
ip: update the description of rp_filter in ip-sysctl.txt
The commit 27fed4175a
(ip: fix logic of
reverse path filter sysctl) has changed the logic of rp_filter. The
document about rp_filter is out of date. Now, setting
conf/all/rp_filte with 0 can also enable source validation.
Update the document according to the commit.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
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1f5865e73f
@ -738,8 +738,8 @@ rp_filter - INTEGER
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to prevent IP spoofing from DDos attacks. If using asymmetric routing
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or other complicated routing, then loose mode is recommended.
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conf/all/rp_filter must also be set to non-zero to do source validation
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on the interface
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The max value from conf/{all,interface}/rp_filter is used
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when doing source validation on the {interface}.
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Default value is 0. Note that some distributions enable it
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in startup scripts.
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