summary refs log tree commit diff
path: root/Documentation/networking
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-06-30 22:39:27 -0700
committerDavid S. Miller <davem@davemloft.net>2012-06-30 22:39:27 -0700
commitc801e3cc1925e02fa7213889306d4d77e6ad1550 (patch)
treeede9d0db5e2e6e2b723bc13688d386192a779f63 /Documentation/networking
parentf7eadafb13daa0efcbd9d5fe5e53dcaee21208e8 (diff)
downloadlinux-c801e3cc1925e02fa7213889306d4d77e6ad1550.tar.gz
ipv4: Clarify in docs that accept_local requires rp_filter.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ip-sysctl.txt11
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 99d0e0504d6e..47b6c79e9b05 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -857,9 +857,14 @@ accept_source_route - BOOLEAN
 		FALSE (host)
 
 accept_local - BOOLEAN
-	Accept packets with local source addresses. In combination with
-	suitable routing, this can be used to direct packets between two
-	local interfaces over the wire and have them accepted properly.
+	Accept packets with local source addresses. In combination
+	with suitable routing, this can be used to direct packets
+	between two local interfaces over the wire and have them
+	accepted properly.
+
+	rp_filter must be set to a non-zero value in order for
+	accept_local to have an effect.
+
 	default FALSE
 
 route_localnet - BOOLEAN