<div class="content"><p> </p><p>The RRPC_FWAddFirewallRule2_24 method requests the server to
add the specified firewall rule in the policy contained in the policy store
that is referenced by the handle specified in the <i>hPolicyStore</i>
parameter. The method is only supported for binary version 0x0218.</p><dl>
<dd>
<div><pre> DWORD RRPC_FWAddFirewallRule2_24(
   [in] FW_CONN_HANDLE rpcConnHandle,
   [in] FW_POLICY_STORE_HANDLE hPolicyStore,
   [in] PFW_RULE2_24 pRule,
   [out] FW_RULE_STATUS* pStatus
 );
</pre></div>
</dd></dl><p><b>rpcConnHandle: </b>An <span><a href="d891304d-92d8-4f9f-9e60-a1f02b28ae30#gt_8a7f6700-8311-45bc-af10-82e10accd331" data-linktype="relative-path">RPC</a></span> binding handle that
connects to the RPC interface of the Firewall and Advanced Security Protocol.</p><p><b>hPolicyStore: </b>An input parameter that is an
FW_POLICY_STORE_HANDLE data type. This parameter MUST contain an opened policy
store handle, successfully opened with the RRPC_FWOpenPolicyStore (Opnum 0)
method (section <span><a href="2157e39a-1bf0-4e0c-abae-0811fd918b11" data-linktype="relative-path">3.1.4.1</a></span>). The
handle MUST have read/write access rights.</p><p><b>pRule: </b>Represents the firewall rule that the
client adds to the store. The rule MUST be a valid rule, as specified in the
definition of the <span><a href="4f5bc5fd-4a3c-46a5-98dc-98b31b73aa89" data-linktype="relative-path">FW_RULE2_24</a></span> data
type.</p><p><b>pStatus: </b>An output parameter that is the
status code of the rule, as specified by the <span><a href="c4fd81e6-38dd-47c5-8a0f-a98a11cf190e" data-linktype="relative-path">FW_RULE_STATUS</a></span>
enumeration. This field is filled out on return.</p><p><b>Return Values: </b>The method returns 0 if
successful; if it fails, it returns a nonzero error code. The field can take
any specific error code value, as specified in <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>.
The following return values are common.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>0x000000B7</p>
  <p>ERROR_ALREADY_EXISTS</p>
  </td>
  <td>
  <p>The specified rule has a rule ID that already exists
  in the specified store.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x00000032</p>
  <p>ERROR_NOT_SUPPORTED</p>
  </td>
  <td>
  <p>The specified store does not support this method; the
  store might be read-only.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x00000005</p>
  <p>ERROR_ACCESS_DENIED</p>
  </td>
  <td>
  <p>The <i>hPolicyStore</i> handle was not opened with
  read/write access rights. This error is also returned if the client does not
  have the required credentials to call the method.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x00000057</p>
  <p>ERROR_INVALID_PARAMETER</p>
  </td>
  <td>
  <p>One of the parameters of this method is incorrect or
  is required but not specified. This error can be returned in the following
  cases:</p>
  <p>- The <i>pRule</i> object did not pass the firewall
  rule validations specified in the definition of the <span><a href="8c008258-166d-46d4-9090-f2ffaa01be4b" data-linktype="relative-path">FW_RULE</a></span> data
  type.</p>
  <p>- One of the required values is not specified.</p>
  <p>- A policy store does not support rules with profile
  conditions other than ALL profiles.</p>
  <p>- The <b>wszLocalApplication</b> member of the rule
  contains a string that, at enforcement time, does not represent a valid file
  path.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p><b>Exceptions Thrown:</b> No exceptions are thrown
beyond those thrown by the underlying RPC protocol, as specified in <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>.
If any lower-layer errors are reported by RPC exception, this exception is
converted to an error code and reported to higher-layer protocols via the
return value.</p><p>This method adds a firewall rule in the firewall linked list
of the memory representation of the store being modified. It also writes
through and saves the rule on disk. If called on an online store, the firewall
rule is also enforced.</p><p>The server MUST validate that the client is authorized to
perform the requested operation (as defined in section <span><a href="b0c93352-8371-4d63-abca-b0cc8dbcc3d7" data-linktype="relative-path">3.1.4</a></span>)
before executing this method.</p></div>