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	    </a></td><td><img src="../../common/images/highlight-blue.gif" alt="H" height="25px" onclick="toggleHighlight()" id="showHideHighlight" style="cursor:pointer" title="Toggle search result highlighting"/></td><td><a accesskey="p" href="securityLevel.html">Prev</a> 
		|
		<a accesskey="n" href="installUpdates.html">Next</a></td></tr></table></div><div id="headerlogo"><img src="https://doc.mageia.org/g/mageia-2013-200p.png" alt="Company Logo"/></div><h1 id="pagetitle">Firewall<br/> </h1></div><div id="content"><!----><div class="section" title="Firewall"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="firewall"><!----></a>Firewall</h2></div></div></div><p><a id="firewall-pa1"><!----></a>This section allows you to
  configure some simple firewall rules: they determine which type of message
  from the Internet will be accepted by the target system. This, in turn,
  allows the corresponding services on the system to be accessible from the
  Internet.</p><div class="mediaobject" align="center"><img src="images/dx2-firewall.png" align="middle"/></div><p>In the default setting (no button is checked), no service of the
  system is accessible from the network. The <span class="emphasis"><em>Everything (no
  firewall)</em></span> option enables access to all services of the machine -
  an option that does not make much sense in the context of the installer
  since it would create a totally unprotected system. Its veritable use is in
  the context of the Mageia Control Center (which uses the same GUI layout)
  for temporarily disabling the entire set of firewall rules for testing and
  debugging purposes.</p><p>All other options are more or less self-explanatory. As an example,
  you will enable the CUPS server if you want printers on your machine to be
  accessible from the network.</p><p><span class="bold"><strong>Advanced</strong></span></p><p>The <span class="emphasis"><em>Advanced</em></span> option opens a window where you can
  enable a series of services by typing a list of <span class="quote">“<span class="quote">couples</span>”</span>
  (blank separated)</p><p><span class="emphasis"><em>&lt;port-number&gt;/&lt;protocol&gt;</em></span></p><table border="0" summary="Simple list" class="simplelist"><tr><td>- <span class="emphasis"><em>&lt;port-number&gt;</em></span> is the value of the
    port assigned to the service you want to enable (e.g. 873 for the RSYNC
    service) as defined in <span class="emphasis"><em>RFC-433</em></span>;</td></tr><tr><td>- <span class="emphasis"><em>&lt;protocol&gt;</em></span> is one of
    <span class="emphasis"><em>TCP</em></span> or <span class="emphasis"><em>UDP</em></span> - the internet
    protocol that is used by the service.</td></tr></table><p>For instance, the entry for enabling access to the RSYNC service
  therefore is <span class="emphasis"><em>873/tcp</em></span>.</p><p>In case a service is implemented to use both protocols, you specify 2
  couples for the same port.</p></div><script xmlns="" type="text/javascript" src="main.js"><!----></script><hr xmlns=""/><div xmlns="" class="copyright">© Mageia</div><div xmlns="" class="license"><a href="index.html#CC_BY-SA">CC BY-SA 3.0</a></div><div id="upload_date">Uploaded on 25/08/2023</div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="securityLevel.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="installUpdates.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></div><span id="zz_current-id" style="display: none;" data-id="toc-d4e1371"><!----></span><div><div id="leftnavigation"><div id="tabs"><ul><li><a href="#treeDiv"><em>Contents</em></a></li><li><a href="#searchDiv"><em>Search</em></a></li></ul><div id="treeDiv"><img src="../../common/images/loading.gif" alt="loading table of contents..." id="tocLoading" style="display:block;"/><div id="ulTreeDiv" style="display:none"><ul id="tree" class="filetree"><li id="toc-d4e15"><span class="file section"><a href="Select-and-use-ISOs.html">Select and use ISOs</a></span><ul><li id="toc-d4e18"><span class="file section"><a href="Select-and-use-ISOs.html#d4e18">Introduction</a></span></li><li id="toc-d4e40"><span class="file section"><a href="Select-and-use-ISOs.html#d4e40">Media</a></span><ul><li id="toc-d4e42"><span class="file section"><a href="Select-and-use-ISOs.html#d4e42">Definition</a></span></li><li id="toc-d4e47"><span class="file section"><a href="Select-and-use-ISOs.html#d4e47">Classical installation media</a></span><ul><li id="toc-d4e49"><span class="file section"><a href="Select-and-use-ISOs.html#d4e49">Common features</a></span></li></ul></li><li id="toc-d4e67"><span class="file section"><a href="Select-and-use-ISOs.html#d4e67">Live media</a></span><ul><li id="toc-d4e69"><span class="file section"><a href="Select-and-use-ISOs.html#d4e69">Common features</a></span></li><li id="toc-d4e82"><span class="file section"><a href="Select-and-use-ISOs.html#d4e82">Live DVD Plasma</a></span></li><li id="toc-d4e91"><span class="file section"><a href="Select-and-use-ISOs.html#d4e91">Live DVD GNOME</a></span></li><li id="toc-d4e100"><span class="file section"><a href="Select-and-use-ISOs.html#d4e100">Live DVD Xfce</a></span></li></ul></li><li id="toc-d4e109"><span class="file section"><a href="Select-and-use-ISOs.html#d4e109">Net install media</a></span><ul><li id="toc-d4e111"><span class="file section"><a href="Select-and-use-ISOs.html#d4e111">Common features</a></span></li><li id="toc-d4e118"><span class="file section"><a href="Select-and-use-ISOs.html#d4e118">netinstall.iso</a></span></li><li id="toc-d4e123"><span class="file section"><a href="Select-and-use-ISOs.html#d4e123">netinstall-nonfree.iso</a></span></li></ul></li></ul></li><li id="toc-d4e128"><span class="file section"><a href="Select-and-use-ISOs.html#d4e128">Downloading and Checking Media</a></span><ul><li id="toc-d4e130"><span class="file section"><a href="Select-and-use-ISOs.html#d4e130">Downloading</a></span></li><li id="toc-d4e148"><span class="file section"><a href="Select-and-use-ISOs.html#d4e148">Checking the integrity of the downloaded
      media</a></span></li></ul></li><li id="toc-d4e167"><span class="file section"><a href="Select-and-use-ISOs.html#d4e167">Burn or dump the ISO</a></span><ul><li id="toc-d4e171"><span class="file section"><a href="Select-and-use-ISOs.html#d4e171">Burning the ISO to a CD/DVD</a></span></li><li id="toc-d4e178"><span class="file section"><a href="Select-and-use-ISOs.html#d4e178">Dump the ISO to a USB stick</a></span><ul><li id="toc-d4e186"><span class="file section"><a href="Select-and-use-ISOs.html#d4e186">Using a graphical tool within Mageia</a></span></li><li id="toc-d4e190"><span class="file section"><a href="Select-and-use-ISOs.html#d4e190">Using a graphical tool within Windows</a></span></li><li id="toc-d4e200"><span class="file section"><a href="Select-and-use-ISOs.html#d4e200">Using the Command line within a GNU/Linux system</a></span></li></ul></li></ul></li></ul></li><li id="toc-d4e255"><span class="file section"><a href="installer.html">DrakX, the Mageia Installer</a></span><ul><li id="toc-d4e259"><span class="file section"><a href="installer.html#d4e259">The installation steps</a></span></li><li id="toc-d4e281"><span class="file section"><a href="installer.html#d4e281">Installation Welcome Screen</a></span><ul><li id="toc-d4e285"><span class="file section"><a href="installer.html#d4e285">Legacy (BIOS) Systems</a></span></li><li id="toc-d4e308"><span class="file section"><a href="installer.html#d4e308">UEFI Systems</a></span></li></ul></li><li id="toc-d4e330"><span class="file section"><a href="installer.html#d4e330">Installation Problems and Possible Solutions</a></span><ul><li id="toc-d4e332"><span class="file section"><a href="installer.html#d4e332">No Graphical Interface</a></span></li><li id="toc-d4e347"><span class="file section"><a href="installer.html#d4e347">The Install Freezes</a></span></li><li id="toc-d4e351"><span class="file section"><a href="installer.html#d4e351">RAM problem</a></span></li><li id="toc-d4e358"><span class="file section"><a href="installer.html#d4e358">Dynamic partitions</a></span></li></ul></li></ul></li><li id="toc-d4e365"><span class="file section"><a href="selectLanguage.html">Please choose a language to use</a></span></li><li id="toc-d4e392"><span class="file section"><a href="acceptLicense.html">License and Release Notes</a></span><ul><li id="toc-d4e399"><span class="file section"><a href="acceptLicense.html#license">License Agreement</a></span></li><li id="toc-d4e413"><span class="file section"><a href="acceptLicense.html#releaseNotes">Release Notes</a></span></li></ul></li><li id="toc-d4e418"><span class="file section"><a href="setupSCSI.html">Setup SCSI</a></span></li><li id="toc-d4e426"><span class="file section"><a href="selectInstallClass.html">Install or Upgrade</a></span></li><li id="toc-d4e458"><span class="file section"><a href="selectKeyboard.html">Keyboard</a></span></li><li id="toc-d4e478"><span class="file section"><a href="diskPartitioning.html">Partitioning</a></span><ul><li id="toc-d4e480"><span class="file section"><a href="diskPartitioning.html#doPartitionDisks">Suggested Partitioning</a></span></li><li id="toc-d4e575"><span class="file section"><a href="diskPartitioning.html#ask_mntpoint_s">Choose the mount points</a></span></li><li id="toc-d4e608"><span class="file section"><a href="diskPartitioning.html#takeOverHdConfirm">Confirm hard disk to be
    formatted</a></span></li><li id="toc-d4e624"><span class="file section"><a href="diskPartitioning.html#diskdrake">Custom Disk Partitioning with
    DiskDrake</a></span></li><li id="toc-d4e671"><span class="file section"><a href="diskPartitioning.html#formatPartitions">Formatting</a></span></li></ul></li><li id="toc-d4e690"><span class="file section"><a href="software.html">Software</a></span><ul><li id="toc-d4e692"><span class="file section"><a href="software.html#d4e692">Media Selection</a></span><ul><li id="toc-d4e694"><span class="file section"><a href="software.html#add_supplemental_media">Supplemental Installation
    Media</a></span></li><li id="toc-d4e713"><span class="file section"><a href="software.html#media_selection">Available Media</a></span></li></ul></li><li id="toc-d4e730"><span class="file section"><a href="software.html#chooseDesktop">Desktop Selection</a></span></li><li id="toc-d4e745"><span class="file section"><a href="software.html#choosePackageGroups">Package Group Selection</a></span></li><li id="toc-d4e767"><span class="file section"><a href="software.html#minimal-install">Minimal Install</a></span></li><li id="toc-d4e794"><span class="file section"><a href="software.html#choosePackagesTree">Choose Individual Packages</a></span></li></ul></li><li id="toc-d4e803"><span class="file section"><a href="addUser.html">User Management</a></span><ul><li id="toc-d4e809"><span class="file section"><a href="addUser.html#root-password">Set Administrator (root)
      Password:</a></span></li><li id="toc-d4e818"><span class="file section"><a href="addUser.html#enterUser">Enter a user</a></span></li><li id="toc-d4e849"><span class="file section"><a href="addUser.html#addUserAdvanced">User Management (advanced)</a></span></li></ul></li><li id="toc-d4e867"><span class="file section"><a href="graphicalConfiguration.html">Graphical Configuration</a></span><ul><li id="toc-d4e870"><span class="file section"><a href="graphicalConfiguration.html#configureX_chooser">Graphics Card and Monitor
    Configuration</a></span></li><li id="toc-d4e910"><span class="file section"><a href="graphicalConfiguration.html#configureX_card_list">Choose an X Server (Configure
    your Graphic Card)</a></span></li><li id="toc-d4e933"><span class="file section"><a href="graphicalConfiguration.html#configureX_monitor">Choosing your Monitor</a></span></li></ul></li><li id="toc-d4e968"><span class="file section"><a href="setupBootloader.html">Bootloader</a></span><ul><li id="toc-d4e971"><span class="file section"><a href="setupBootloader.html#d4e971">Available Bootloaders</a></span><ul><li id="toc-d4e973"><span class="file section"><a href="setupBootloader.html#d4e973">Grub2</a></span></li><li id="toc-d4e990"><span class="file section"><a href="setupBootloader.html#d4e990">rEFInd</a></span></li></ul></li><li id="toc-d4e1000"><span class="file section"><a href="setupBootloader.html#d4e1000">Bootloader Setup</a></span><ul><li id="toc-d4e1003"><span class="file section"><a href="setupBootloader.html#d4e1003">Bootloader main options</a></span></li><li id="toc-d4e1069"><span class="file section"><a href="setupBootloader.html#d4e1069">Bootloader Configuration</a></span></li></ul></li><li id="toc-d4e1131"><span class="file section"><a href="setupBootloader.html#d4e1131">Other Options</a></span><ul><li id="toc-d4e1133"><span class="file section"><a href="setupBootloader.html#d4e1133">Using an existing bootloader</a></span></li><li id="toc-d4e1136"><span class="file section"><a href="setupBootloader.html#d4e1136">Installing Without a Bootloader</a></span></li><li id="toc-d4e1139"><span class="file section"><a href="setupBootloader.html#setupBootloaderAddEntry">Add or Modify a Boot Menu
    Entry</a></span></li></ul></li></ul></li><li id="toc-d4e1147"><span class="file section"><a href="misc-params.html">Configuration Summary</a></span><ul><li id="toc-d4e1164"><span class="file section"><a href="misc-params.html#misc-params-system">System parameters</a></span></li><li id="toc-d4e1195"><span class="file section"><a href="misc-params.html#misc-params-hardware">Hardware parameters</a></span></li><li id="toc-d4e1223"><span class="file section"><a href="misc-params.html#misc-params-network">Network and Internet
      parameters</a></span></li><li id="toc-d4e1239"><span class="file section"><a href="misc-params.html#misc-params-security">Security</a></span></li></ul></li><li id="toc-d4e1258"><span class="file section"><a href="locale.html">Locale</a></span><ul><li id="toc-d4e1260"><span class="file section"><a href="locale.html#configureTimezoneUTC">Configure your Timezone</a></span></li><li id="toc-d4e1272"><span class="file section"><a href="locale.html#selectCountry">Select your Country / Region</a></span><ul><li id="toc-d4e1288"><span class="file section"><a href="locale.html#inputMethod">Input method</a></span></li></ul></li></ul></li><li id="toc-d4e1300"><span class="file section"><a href="configureServices.html">Configure your Services</a></span></li><li id="toc-d4e1313"><span class="file section"><a href="selectMouse.html">Select mouse</a></span></li><li id="toc-d4e1328"><span class="file section"><a href="soundConfig.html">Sound Configuration</a></span><ul><li id="toc-d4e1342"><span class="file section"><a href="soundConfig.html#soundConfig-Advanced">Advanced</a></span></li></ul></li><li id="toc-d4e1349"><span class="file section"><a href="securityLevel.html">Security Level</a></span></li><li id="toc-d4e1371"><span class="file section"><a href="firewall.html">Firewall</a></span></li><li id="toc-d4e1399"><span class="file section"><a href="installUpdates.html">Updates</a></span></li><li id="toc-d4e1416"><span class="file section"><a href="exitInstall.html">Congratulations</a></span></li><li id="toc-d4e1428"><span class="file section"><a href="uninstall-Mageia.html">Uninstalling Mageia</a></span></li></ul></div></div><div id="searchDiv"><div id="search"><form onsubmit="Verifie(ditaSearch_Form);return false" name="ditaSearch_Form" class="searchForm"><fieldset class="searchFieldSet"><legend>Search</legend><center><input id="textToSearch" name="textToSearch" type="text" class="searchText"/> &nbsp; <input onclick="Verifie(ditaSearch_Form)" type="button" class="searchButton" value="Go" id="doSearch"/></center></fieldset></form></div><div id="searchResults"><center/></div></div></div></div></div></body></html>