Symbol: V_dyn_keepalive
sys/netpfil/ipfw/ip_fw_dynamic.c
1008
if (V_dyn_keepalive != 0 &&
sys/netpfil/ipfw/ip_fw_dynamic.c
2804
if (V_dyn_keepalive != 0 &&
sys/netpfil/ipfw/ip_fw_dynamic.c
3198
V_dyn_keepalive = 1; /* send keepalives */