MATCH_FORWARD
if (dir == MATCH_FORWARD) {
s->st_state |= (dir == MATCH_FORWARD) ? flags : (flags << 8);
dir = MATCH_FORWARD;
ipfw_state_update(id, MATCH_FORWARD, tcp, s);
x->xlat_dir = MATCH_FORWARD;
MATCH_FORWARD : MATCH_REVERSE;
if (dyn_dir == MATCH_FORWARD) {
if (!dyn_f || dyn_dir == MATCH_FORWARD) {
if (x->xlat_dir == MATCH_FORWARD)