Index: head/en_US.ISO8859-1/books/handbook/security/chapter.xml =================================================================== --- head/en_US.ISO8859-1/books/handbook/security/chapter.xml +++ head/en_US.ISO8859-1/books/handbook/security/chapter.xml @@ -2127,10 +2127,9 @@ information on the IPsec subsystem in &os;. - IPsec support is enabled by default on &os;   11 and newer. - To add IPsec support to the kernel of older &os; releases, - add the following options to the custom kernel configuration file - and rebuild the kernel using the instructions in IPsec support is enabled by default on &os; 11 and later. + For previous versions of &os;, add these options to a custom kernel + configuration file and rebuild the kernel using the instructions in :