| pkey | pkey | false | true | | | 1.81.15 | a generated primary key |
| httpd_site_bind | fkey | false | false | httpd_site_binds.pkey | | 1.81.15 | the site bind that is being referenced |
| sort_order | short | false | false | | | 1.81.15 | the per-bind unique sort ordering |
| type | string | false | false | | | 1.81.15 | the type of header, either "Header" or "RequestHeader" |
| always | boolean | false | false | | | 1.81.15 | the condition is either "onsuccess" (default, can be omitted) or "always" |
| action | string | false | false | | | 1.81.15 | the action to be performed |
| header | string | false | false | | | 1.81.15 | the header name, without any final colon |
| value | string | true | false | | | 1.81.15 | the header value, not used for all actions |
| replacement | string | true | false | | | 1.81.15 | the replacement value, only used for "edit" and "edit*" |
| when | string | true | false | | | 1.81.15 | optional control over when is this header directive is applied |
| comment | string | true | false | | | 1.81.15 | an optional comment describing the redirect |
