diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 71041c21af9b..e0b8c2c61710 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -711,8 +711,8 @@ rp_filter - INTEGER the packet check will fail. Current recommended practice in RFC3704 is to enable strict mode - to prevent IP spoofin from DDos attacks. If using asymmetric routing - or other complicated routing,t hen loose mode is recommended. + 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