below.
.TP
.BR mark " = <value>[/<mask>]"
-sets an XFRM mark in the inbound and outbound
-IPsec SAs and policies. If the mask is missing then a default
+sets an XFRM mark on the inbound policy and outbound
+IPsec SA and policy. If the mask is missing then a default
mask of
.B 0xffffffff
is assumed. The special value
may be used.
.TP
.BR mark_in " = <value>[/<mask>]"
-sets an XFRM mark in the inbound IPsec SA and
-policy. If the mask is missing then a default mask of
+sets an XFRM mark on the inbound policy (not on the SA). If the mask is missing
+then a default mask of
.B 0xffffffff
is assumed.
.TP
.BR mark_out " = <value>[/<mask>]"
-sets an XFRM mark in the outbound IPsec SA and
+sets an XFRM mark on the outbound IPsec SA and
policy. If the mask is missing then a default mask of
.B 0xffffffff
is assumed.