====== Packet Filter States ======

===== Simplify cmd =====
<file>
pfctl -s state -v | tr -s " " | grep -v \\[
</file>

===== Case 1 =====
<file>
all udp 10.1.3.34:4979 -> 216.189.128.10:62669 -> 255.255.255.255:2008 SINGLE:NO_TRAFFIC
 age 00:00:00, expires in 00:01:00, 1:0 pkts, 44:0 bytes
</file>
  * -> forward flow
  * 44:0 bytes 44 bytes sent, 0 bytes recv
  * **src** 0.1.3.34:4979
  * **dest** 255.255.255.255:2008
  * **via** 216.189.128.10:62669

===== Case 2 =====
<file>
all udp 255.255.255.255:2008 <- 10.1.3.34:4979 NO_TRAFFIC:SINGLE
 age 00:00:00, expires in 00:01:00, 1:0 pkts, 44:0 bytes, rule 7
</file>
  * <- backward flow
  * 44:0 bytes 44 bytes sent, 0 bytes recv
  * **src** 0.1.3.34:4979
  * **dest** 255.255.255.255:2008
  * **via** 216.189.128.10:62669