156 lines
9.5 KiB
HTML
156 lines
9.5 KiB
HTML
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<meta name="DC.Title" content="Configure packet rules" />
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<title>Configure packet rules</title>
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</head>
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<body id="rzajbx1-creating_new_rules_sd"><a name="rzajbx1-creating_new_rules_sd"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Configure packet rules</h1>
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<div><p>Read the checklist that contains an overview of the tasks you must
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complete to ensure that your rules work properly when activated.</p>
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<div class="section"><p>You find the specific, step-by-step information in the Packet
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Rules Editor online help.</p>
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<p>After you have created a <a href="rzajbrzajb7planningsd.htm#rzajb7-planning_sd">plan
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for configuring packet rules</a> on your system, you should be ready to
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begin actually creating and applying them.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="void" border="0" rules="none"><tbody><tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Access
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the Packet Rules Editor. Follow these instructions to access the Packet Rules
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Editor in iSeries™ Navigator.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Use the wizards provided as part of the Packet Rules
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Editor (V5R2 and later) to create your rules files:<ul><li><strong>Permit a Service Wizard</strong><p>This wizard will generate and insert
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a set of packet rule statements that will permit the necessary traffic for
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a given TCP or UDP service.</p>
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</li>
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<li><strong>Spoof Protection Wizard</strong><p>This wizard will generate and insert
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a set of packet rule statements that will deny any traffic on an interface
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that should only be entering this server through a different interface.</p>
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</li>
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<li><strong>Address Translation Wizard</strong><p>This wizard will generate and insert
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a set of either map or hide packet rules statements.</p>
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</li>
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</ul>
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Depending on what type of rules you want to configure, these wizards
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create all of the required filter and NAT statements for you. You can access
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the wizards from the <strong>Wizards</strong> menu in the Packet Rules Editor. If you
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prefer to write the rules yourself, continue to the next item in the checklist.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Define
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addresses and services by creating aliases for the addresses and services
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for which you plan to create multiple rules.<div class="note"><span class="notetitle">Note:</span> You <em>must</em> define addresses
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if you want to create NAT rules.</div>
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</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Create
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NAT rules. Perform this task <em>only</em> if you plan to use NAT.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Create
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filter rules to define what filters to apply to the network that this system
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administrates.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Specify
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any additional files that you want to include in your "master" rules file.
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Complete this task <em>only</em> if you have existing rules files that you want
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to reuse in a new rules file.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Define
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the interfaces by applying your rules.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Make
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comments to describe what each rules file does.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Verify
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your rules files to ensure that your rules will activate error free and without
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problems.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Activate
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your rules file. Packet rules must be activated in order for them to work.</td>
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</tr>
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<tr><td valign="top" width="4.58486162054018%">__</td>
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<td valign="top" width="95.41513837945982%">Manage packet rules. After you have activated your packet
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rules, you must manage them periodically to maintain the security of your
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system.</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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<div>
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<ol>
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<li class="olchildlink"><a href="rzajbrzajb8accessingsd.htm">Access packet rules</a><br />
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Use the Packet Rules Editor to start creating packet rules on your system.</li>
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<li class="olchildlink"><a href="rzajbrzajb8b0definingaddsd.htm">Define addresses and services</a><br />
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When you create packet rules, you must specify the IP addresses and services to which you want the rules to apply.</li>
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<li class="olchildlink"><a href="rzajbrzajb8bcreatingnatrulessd.htm">Create NAT rules</a><br />
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To use network address translation (NAT), you <em>must</em> define
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nicknames for the IP addresses you intend to use.</li>
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<li class="olchildlink"><a href="rzajbrzajb8a0creatingsd.htm">Create IP filter rules</a><br />
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When you create a filter, you specify a rule that governs the IP traffic flow in and out of your system.</li>
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<li class="olchildlink"><a href="rzajbrzajb82filterinterfacessd.htm">Define IP filter interfaces</a><br />
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Define filter interfaces to establish the filter rules that you want the system to apply to each interface.</li>
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<li class="olchildlink"><a href="rzajbrzajb88includessd.htm">Include files in packet rules</a><br />
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You can activate more than one packet rules file on your system
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by using the <strong>Include</strong> feature of the Packet Rules Editor.</li>
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<li class="olchildlink"><a href="rzajbrzajb89commentssd.htm">Add comments in the packet rules</a><br />
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Adding comments about your rules files is a way to record how you intend your rules to work.</li>
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<li class="olchildlink"><a href="rzajbrzajb8a1verifyingsd.htm">Verify packet rules</a><br />
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Always verify your rules before you activate them. This helps ensure that the rules will be activated without problems.</li>
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<li class="olchildlink"><a href="rzajbactivaterules.htm">Activate packet rules</a><br />
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Activating the packet rules that you create is the final step in configuring packet rules.</li>
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</ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajbrzajb0ippacketsecuritysd.htm" title="IP filtering and network address translation (NAT) act like a firewall to protect your internal network from intruders.">IP filtering and network address translation</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzajbrzajb7planningsd.htm" title="Before you connect any of your network resources to the Internet, develop a security plan and understand the potential security risks involved.">Plan for packet rules</a></div>
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<div><a href="rzajbrzajbx2managingrulessd.htm" title="To maintain the security of your system and the integrity of your packet rules, periodically perform the management tasks.">Manage packet rules</a></div>
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</div>
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</div>
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</body>
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</html>
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