From: Shan Wei Date: Wed, 2 Dec 2009 23:39:04 +0000 (-0800) Subject: ip: update the description of rp_filter in ip-sysctl.txt X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1f5865e73fb18834f52bd6e1d27bce86ff372089;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ip: update the description of rp_filter in ip-sysctl.txt The commit 27fed4175acf81ddd91d9a4ee2fd298981f60295 (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 The document about rp_filter is out of date.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 Signed-off-by: David S. Miller --- diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index fbe427a6580c..5dcc06721bba 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -738,8 +738,8 @@ rp_filter - INTEGER to prevent IP spoofing from DDos attacks. If using asymmetric routing or other complicated routing, then loose mode is recommended. - conf/all/rp_filter must also be set to non-zero to do source validation - on the interface + The max value from conf/{all,interface}/rp_filter is used + when doing source validation on the {interface}. Default value is 0. Note that some distributions enable it in startup scripts.