<div class="content"><p> </p><p>This enumeration represents the direction of network traffic
flow.</p><dl>
<dd>
<div><pre> typedef  enum _tag_FW_DIRECTION
 {
   FW_DIR_INVALID = 0,
   FW_DIR_IN,
   FW_DIR_OUT,
   FW_DIR_MAX
 } FW_DIRECTION;
</pre></div>
</dd></dl><p><b>FW_DIR_INVALID:  </b>This is an invalid value, and
it MUST NOT be used. It is defined for simplicity in writing <span><a href="d891304d-92d8-4f9f-9e60-a1f02b28ae30#gt_73177eec-4092-420f-92c5-60b2478df824" data-linktype="relative-path">IDL</a></span>
definitions and code. This symbolic constant has a value of zero.</p><p><b>FW_DIR_IN:  </b>Specifies an inbound network
traffic flow. These are flows that are initiated by a remote machine toward the
local machine. This symbolic constant has a value of 1.</p><p><b>FW_DIR_OUT:  </b>Specifies an outbound network
traffic flow. These are flows that are initiated by the local machine toward a
remote machine. This symbolic constant has a value of 2.</p><p><b>FW_DIR_MAX:  </b>This value and values that exceed
this value are not valid and MUST NOT be used. This symbolic constant is
defined for simplicity in writing IDL definitions and code. It has a value of
3.</p></div>