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</style><link rel="shortcut icon" href="favicon.png" type="image/x-icon"/><link rel="stylesheet" type="text/css" href="../../common/css/positioning.css"/><link rel="stylesheet" type="text/css" href="../../common/jquery/theme-redmond/jquery-ui-1.8.2.custom.css"/><link rel="stylesheet" type="text/css" href="../../common/jquery/treeview/jquery.treeview.css"/><link rel="stylesheet" type="text/css" href="webhelp-default.css"/><link rel="stylesheet" type="text/css" href="webhelp-custom.css"/><script type="text/javascript" src="../../common/jquery/jquery-1.4.2.min.js"><!----></script><script type="text/javascript" src="../../common/jquery/jquery-ui-1.8.2.custom.min.js"><!----></script><script type="text/javascript" src="../../common/jquery/jquery.cookie.js"><!----></script><script type="text/javascript" src="../../common/jquery/treeview/jquery.treeview.min.js"><!----></script><script type="text/javascript" src="search/htmlFileList.js"><!----></script><script type="text/javascript" src="search/htmlFileInfoList.js"><!----></script><script type="text/javascript" src="nwSearchFnt.js"><!----></script><script type="text/javascript" src="search/stemmers/en_stemmer.js"><!--//make this scalable to other languages as well.--></script><script type="text/javascript" src="search/index-1.js"><!----></script><script type="text/javascript" src="search/index-2.js"><!----></script><script type="text/javascript" src="search/index-3.js"><!----></script></head><body><div xmlns="" id="header"><div id="navheader"><!----><table><tr><td style="height: 28px; width: 16px;"><a id="showHideButton" onclick="showHideToc();" class="pointLeft" title="Hide TOC tree">.
</a></td><td><img src="../../common/images/highlight-blue.gif" alt="H" height="25px" onclick="toggleHighlight()" id="showHideHighlight" style="cursor:pointer" title=""/></td><td><a accesskey="p" href="securityLevel.html">Forrige</a>
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<a accesskey="n" href="installUpdates.html">Neste</a></td></tr></table></div><div id="headerlogo"><img src="mageia-2013-200p.png" alt="Company Logo"/></div><h1 id="pagetitle">Brannmur<br/> </h1></div><div id="content"><!----><div xml:lang="nb" class="section" title="Brannmur"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="firewall"><!----></a>Brannmur</h2></div></div></div><p><a id="firewall-pa1"><!----></a>This section allows 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><p>In the default setting, no button is checked - no service of the system is
accessibly from the network. The "<span class="emphasis"><em>Everything (no
firewall)</em></span>" button has a particular role: it 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 checkbuttons are more or less self-explanatory. As an example, you
will check the "CUPS server" button if you want printers on your machine to
be accessible from the network.</p><p><span class="bold"><strong>Avansert</strong></span></p><p>The set of checkbuttons only comprises the most common services. The
"Advanced" button allows to enable messages that correspond to a service for
which no checkbutton exists. The "<span class="emphasis"><em>Advanced</em></span>" button
opens a window where you can enable a series of services by typing a list of
couples (blank separated)</p><p><span class="emphasis"><em><port-nummer>/<protokoll></em></span></p><table border="0" summary="Simple list" class="simplelist"><tr><td>- <span class="emphasis"><em><port-nummer></em></span> er verdien til porten som er tildelt
tjenesten du vil sette opp ( 873 for RSYNC tjenesten) som definert i
<span class="emphasis"><em>RFC-433</em></span>;</td></tr><tr><td>- <span class="emphasis"><em><protocol></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 14/07/2017</div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="securityLevel.html">Forrige</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="installUpdates.html">Neste</a></td></tr><tr><td width="40%" align="left" valign="top"> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Hjem</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></div><div><div id="leftnavigation"><div id="tabs"><ul><li><a href="#treeDiv"><em>Innholdsfortegnelse</em></a></li><li><a href="#searchDiv"><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><span class="file section"><a href="Select-and-use-ISOs.html">Velg og bruk ISOer</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e18">Introduksjon</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e28">Media</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e30">Definisjon</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e35">Klassisk installasjonsmedia</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e37">Felles egenskaper</a></span></li></ul></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e52">Live media</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e54">Felles egenskaper</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e68">Live DVD Plasma</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e77">Live DVD GNOME</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e86">Live DVD Xfce</a></span></li></ul></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e95">Kun oppstarts CD media</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e97">Felles egenskaper</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e108">netinstall.iso</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e113">netinstall-nonfree.iso</a></span></li></ul></li></ul></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e118">Laster ned og kontrollerer media.</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e120">Laster ned</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e132">Checking the integrity of the downloaded media</a></span></li></ul></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e145">Brenn eller dump ISOen</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e148">Brenner ISO til en CD/DVD</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e153">Dumper ISOen til en USB disk</a></span><ul><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e159">Bruker et grafisk verktøy inne i Mageia</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e163">Bruker et grafisk verktøy i Windows</a></span></li><li><span class="file section"><a href="Select-and-use-ISOs.html#d4e170">Å bruke kommandolinje i et GNU/Linux system</a></span></li></ul></li></ul></li></ul></li><li><span class="file section"><a href="installer.html">DrakX er Mageia installereren</a></span><ul><li><span class="file section"><a href="installer.html#d4e217">Installasjons velkomstskjermen</a></span><ul><li><span class="file section"><a href="installer.html#d4e219">Bruker en Mageia DVD</a></span></li><li><span class="file section"><a href="installer.html#d4e283">Using a Wired Network</a></span></li></ul></li><li><span class="file section"><a href="installer.html#d4e293">Installasjonsfasene</a></span></li><li><span class="file section"><a href="installer.html#d4e304">Installasjonsproblem og mulige løsninger</a></span><ul><li><span class="file section"><a href="installer.html#d4e306">Ikke Grafisk grensesnitt</a></span></li><li><span class="file section"><a href="installer.html#d4e314">Installasjonen fryser</a></span></li><li><span class="file section"><a href="installer.html#d4e318">RAM problem</a></span></li><li><span class="file section"><a href="installer.html#d4e323">Dynamiske partisjoner</a></span></li></ul></li><li><span class="file section"><a href="installer.html#d4e327"/></span></li></ul></li><li><span class="file section"><a href="selectLanguage.html">Velg språk</a></span></li><li><span class="file section"><a href="acceptLicense.html">Lisens og utgivelsesmerknader</a></span><ul><li><span class="file section"><a href="acceptLicense.html#license">Lisensavtale</a></span></li><li><span class="file section"><a href="acceptLicense.html#releaseNotes">Utgivelsesmerknader</a></span></li></ul></li><li><span class="file section"><a href="setupSCSI.html">Set opp SCSI</a></span></li><li><span class="file section"><a href="selectInstallClass.html">Installer eller Oppgrader</a></span></li><li><span class="file section"><a href="selectKeyboard.html">Tastatur</a></span></li><li><span class="file section"><a href="doPartitionDisks.html">Partisjonering</a></span></li><li><span class="file section"><a href="ask_mntpoint_s.html">Velg monteringspunktene</a></span></li><li><span class="file section"><a href="takeOverHdConfirm.html">Confirm hard disk to be formatted</a></span></li><li><span class="file section"><a href="diskdrake.html">Egendefinert partisjonering med DiskDrake</a></span></li><li><span class="file section"><a href="formatPartitions.html">Formater</a></span></li><li><span class="file section"><a href="add_supplemental_media.html">Mediumvalg (sett opp supplerende installasjonsmedia)</a></span></li><li><span class="file section"><a href="media_selection.html">Mediumvalg (Ikke fri)</a></span></li><li><span class="file section"><a href="chooseDesktop.html">Skrivebordsvalg</a></span></li><li><span class="file section"><a href="choosePackageGroups.html">Valg pakkegruppe</a></span></li><li><span class="file section"><a href="minimal-install.html">Minimal Installasjon</a></span></li><li><span class="file section"><a href="choosePackagesTree.html">Individuelt pakkevalg</a></span></li><li><span class="file section"><a href="addUser.html">Administrasjon av Brukere og superbrukere</a></span><ul><li><span class="file section"><a href="addUser.html#root-password">Angi Adminstrasjons (root) Passord:</a></span></li><li><span class="file section"><a href="addUser.html#enterUser">Angi en bruker</a></span></li><li><span class="file section"><a href="addUser.html#addUserAdvanced">Avansert brukeradministrasjon</a></span></li></ul></li><li><span class="file section"><a href="configureX_chooser.html">Graphic Card and Monitor Configuration</a></span></li><li><span class="file section"><a href="configureX_card_list.html">Choose an X Server (Configure your Graphic Card)</a></span></li><li><span class="file section"><a href="configureX_monitor.html">Velg en monitor</a></span></li><li><span class="file section"><a href="setupBootloader.html">Hovedvalg for oppstartslaster</a></span><ul><li><span class="file section"><a href="setupBootloader.html#d4e844">Oppstartslaster grensesnitt</a></span><ul><li><span class="file section"><a href="setupBootloader.html#d4e854">Grub2 på et eldre/MBR og eldre/GPT system</a></span></li><li><span class="file section"><a href="setupBootloader.html#d4e860">Grub2-efi på UEFI systemer</a></span></li></ul></li><li><span class="file section"><a href="setupBootloader.html#d4e868">Bruker en Mageia oppstartslaster</a></span></li><li><span class="file section"><a href="setupBootloader.html#d4e882">Bruker en eksisterende oppstartslaster</a></span></li><li><span class="file section"><a href="setupBootloader.html#d4e885">Bruker kjedelasting</a></span></li><li><span class="file section"><a href="setupBootloader.html#d4e899">Valg</a></span><ul><li><span class="file section"><a href="setupBootloader.html#d4e901">Første side</a></span></li><li><span class="file section"><a href="setupBootloader.html#d4e933">Neste side</a></span></li></ul></li></ul></li><li><span class="file section"><a href="setupBootloaderAddEntry.html">Legg til eller endre et oppstartsmenypunkt</a></span></li><li><span class="file section"><a href="misc-params.html">Summary of miscellaneous parameters</a></span><ul><li><span class="file section"><a href="misc-params.html#misc-params-system">System parameters</a></span></li><li><span class="file section"><a href="misc-params.html#misc-params-hardware">Maskinvare-parametre</a></span></li><li><span class="file section"><a href="misc-params.html#misc-params-network">Nettverk og internettparametre</a></span></li><li><span class="file section"><a href="misc-params.html#misc-params-security">Sikkerhet</a></span></li></ul></li><li><span class="file section"><a href="configureTimezoneUTC.html">Sett opp tidssonen din</a></span></li><li><span class="file section"><a href="selectCountry.html">Velg Land/Region</a></span><ul><li><span class="file section"><a href="selectCountry.html#inputMethod">Innput metode</a></span></li></ul></li><li><span class="file section"><a href="configureServices.html">Konfigurer dine tjenester</a></span></li><li><span class="file section"><a href="selectMouse.html">Velg mus</a></span></li><li><span class="file section"><a href="soundConfig.html">Sett opp lyd</a></span><ul><li><span class="file section"><a href="soundConfig.html#soundConfig-Advanced">Avansert</a></span></li></ul></li><li><span class="file section"><a href="securityLevel.html">Sikkerhetsnivå</a></span></li><li id="webhelp-currentid"><span class="file section"><a href="firewall.html">Brannmur</a></span></li><li><span class="file section"><a href="installUpdates.html">Oppdateringer</a></span></li><li><span class="file section"><a href="exitInstall.html">Gratulerer</a></span></li><li><span class="file section"><a href="uninstall-Mageia.html">Avinstaller Mageia</a></span><ul><li><span class="file section"><a href="uninstall-Mageia.html#d4e1212">Hvordan</a></span></li></ul></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/><center><input id="textToSearch" name="textToSearch" 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