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-rw-r--r--net/ipv4/Kconfig2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index c7a814860ce1..b2cf91e4ccaa 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -50,6 +50,8 @@ config IP_ADVANCED_ROUTER
echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter
Note that some distributions enable it in startup scripts.
+ For details about rp_filter strict and loose mode read
+ <file:Documentation/networking/ip-sysctl.txt>.
If unsure, say N here.