From: David S. Miller Date: Sun, 1 Jul 2012 05:39:27 +0000 (-0700) Subject: ipv4: Clarify in docs that accept_local requires rp_filter. X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c801e3cc1925;p=openwrt%2Fstaging%2Fblogic.git ipv4: Clarify in docs that accept_local requires rp_filter. Signed-off-by: David S. Miller --- 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