<!DOCTYPE html
  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><?xml-stylesheet href="http://www.w3.org/Math/XSL/mathml.xsl" type="text/xsl" ?>
      <meta http-equiv="Content-Script-Type" content="text/javascript" />
      <meta http-equiv="Content-Style-Type" content="text/css" />
      <meta name="description"
            content="Netzwerktechnik 2: Incoming-/Outgoing-Datenfilter. " />
      <meta name="copyright" content="" />
      <meta name="author" content="" />
      <meta name="keywords"
            content="Netzwerktechnik 2, Spanning-Tree-Protokoll (STP),  Rapid-Spanning-Tree-Protokoll (RSTP), Per-VLAN-Spanning-Tree (PVST), Multiple-Spanning-Tree (MST), Variable-Length-Subnet-Masking (VLSM), Route-Summarization, Overhead, Message-Digest Algorithm 5 (MD5), Time Division Multiplexing, Packet Assembler/Disassembler, Internetwork Operating System (IOS), Access-Routern, Non-volatile RAM (NVRAM), Public Switched Telephone Network (PSTN), Security-Gateway, Inaktivitätszeit, Trunk, eLML" />
      <title>1.13.15. Incoming-/Outgoing-Datenfilter</title>
      <link href="../../../_templates/airnet/elml.css" type="text/css" rel="stylesheet"
            media="screen" />
      <link href="../../../_templates/airnet/elml_print.css" type="text/css"
            rel="stylesheet"
            media="print,handheld" /><script src="../../../_templates/airnet/elml.js" type="text/javascript"></script><script type="text/javascript"
              src="../../../_templates/airnet/lightwindow/javascript/prototype.js"
              id="lwloader_prototype_js"></script><script type="text/javascript"
              src="../../../_templates/airnet/lightwindow/javascript/effects.js"
              id="lwloader_effects_js"></script><script type="text/javascript"
              src="../../../_templates/airnet/lightwindow/javascript/lightwindow_loader.js"
              id="lwloader"></script><script type="text/javascript" language="JavaScript1.2" src="scorm_generic.js"></script></head>
   <body xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:elml="http://www.elml.ch"
         xmlns:xhtml="http://www.w3.org/1999/xhtml"
         xmlns:functx="http://www.functx.com"
         onunload="finish()">
      <div class="bodywidth"><a accesskey="1" href="#navigation" title="Zur Navigation springen">
     <!----> </a><a accesskey="2" href="#content" title="Zum Inhalt springen"> <!----> </a><a name="top"> <!----> </a><div id="breadcrumbnav"><a href="index.xml">Netzwerktechnik 2</a> > <a href="unit_AufbAnwAL.xml">Aufbau und Anwendung von Access-Control-Listen</a> > <a href="#top">Incoming-/Outgoing-Datenfilter</a><div style="float:right;">
               <div id="logos_lang">
                  <table>
                     <tbody>
                        <tr>
                           <td class="columnRight"><a><img alt="airnet logo" height="25"
                                      src="/_templates/airnet/authoring/images/airnet_logo.jpg" /></a></td>
                        </tr>
                     </tbody>
                  </table>
               </div>
            </div>
         </div>
         <div id="headerarea">
            <video src="/_templates/airnet/authoring/images/video.mp4" type="video/mp4"
                   width="1000"
                   height="250"
                   unit="pixels"
                   autoplay="yes"
                   loop="yes"
                   poster="/_templates/airnet/authoring/images/Head.jpg"></video>
         </div>
         <div class="floatclear"> <!----> </div>
         <div id="primarnav"><a class="namedanchor" name="navigation"> <!----> </a><a href="unit_EntwLANBer.xml">Entwicklung des LAN-Bereichs</a><div class="linkseparator">|</div><a href="unit_GrundfBrdg.xml">Grundfunktion einer Transparent-Bridge</a><div class="linkseparator">|</div><a href="unit_Lay2Sw.xml">Der Layer-2-Switch</a><div class="linkseparator">|</div><a href="unit_Lay3Rout.xml">Layer-3-Routing</a><div class="linkseparator">|</div><a href="unit_STPErwCisco.xml">Spanning-Tree-Erweiterungen -- Cisco</a><div class="linkseparator">|</div><a href="unit_STPErwIEEE.xml">Spanning-Tree-Erweiterungen – IEEE</a><div class="linkseparator">|</div><a href="unit_STPOpt.xml">Spanning-Tree-Optionen</a><div class="linkseparator">|</div><a href="unit_SwSec.xml">Switch-Security</a><div class="linkseparator">|</div><a href="unit_VerwHTTP.xml">Verwaltung mit HTTP</a><div class="linkseparator">|</div><a href="unit_DrahtL.xml">Drahtlose Kommunikation</a><div class="linkseparator">|</div><a href="unit_VLSMRoutSum.xml">VLSM und Route-Summarization</a><div class="linkseparator">|</div><a href="unit_GrundKonfRIP.xml">Grundlagen und Konfiguration von RIP</a><div class="linkseparator">|</div><a href="unit_AufbAnwAL.xml">Aufbau und Anwendung von Access-Control-Listen</a><div class="linkseparator">|</div><a href="unit_NATProt.xml">Adressübersetzung durch NAT und PAT</a><div class="linkseparator">|</div><a href="unit_VPN.xml">Virtuelle Private Netze (Virtual Private Networks)</a><div class="linkseparator">|</div><a href="unit_KryptIPSecVPNs.xml">Kryptographie und IPSec VPNs</a><div class="linkseparator">|</div><a href="unit_GrundIPv6.xml">Grundlagen von IPv6</a><div class="linkseparator">|</div><a href="unit_SNMP.xml">Simple Network Management Protocol (SNMP)</a><div class="linkseparator">|</div>
         </div>
         <div class="floatclear"> <!----> </div>
         <div class="endheaderline"><img alt="separation line" height="1"
                 src="/_templates/airnet/authoring/images/1.gif"
                 width="1" /></div>
         <div id="toolnav"><!---->
     </div>
         <div class="floatclear"> <!----> </div>
         <div id="col1">
            <div id="secnav">
               <div class="solidline"><img alt="separation line" height="1"
                       src="/_templates/airnet/authoring/images/1.gif"
                       width="1" /></div>
               <p class="titel"><br /><a href="index.xml">1. Netzwerktechnik 2</a></p>
               <div class="dotlinelead"><img alt="separation line" height="1"
                       src="/_templates/airnet/authoring/images/1.gif"
                       width="1" /></div>
               <ul>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <ul>
                     <li><a href="AufbAnwAL_learningObject1.xml">1.13.1. Definition von ACLs</a></li>
                     <li><a href="AufbAnwAL_learningObject2.xml">1.13.2. Einsatzgebiet von ACLs</a></li>
                     <li><a href="AufbAnwAL_learningObject3.xml">1.13.3. Grundsätzliche Bestimmungen</a></li>
                     <li><a href="AufbAnwAL_learningObject4.xml">1.13.4. Grundsätzliche Bestimmungen</a></li>
                     <li><a href="AufbAnwAL_learningObject5.xml">1.13.5. Grundsätzliche Bestimmungen und Nummernbereiche von ACLs</a></li>
                     <li><a href="AufbAnwAL_learningObject6.xml">1.13.6. Grundsätzliche Bestimmungen</a></li>
                     <li><a href="AufbAnwAL_learningObject7.xml">1.13.7. Abarbeitung der Statements</a></li>
                     <li><a href="AufbAnwAL_learningObject8.xml">1.13.8. Wildcard-Maske und Abkürzungen</a></li>
                     <li><a href="AufbAnwAL_learningObject9.xml">1.13.9. IP-Standard-ACL</a></li>
                     <li><a href="AufbAnwAL_learningObject10.xml">1.13.10. IP-Extended-ACL</a></li>
                     <li><a href="AufbAnwAL_learningObject11.xml">1.13.11. Verifizieren von ACLs</a></li>
                     <li><a href="AufbAnwAL_learningObject12.xml">1.13.12. Editieren von ACLs (früher)</a></li>
                     <li><a href="AufbAnwAL_learningObject13.xml">1.13.13. Editieren von ACLs (heute)</a></li>
                     <li><a href="AufbAnwAL_learningObject14.xml">1.13.14. Querverweis zur ACL</a></li>
                     <li><a class="activ" href="AufbAnwAL_learningObject15.xml">1.13.15. Incoming-/Outgoing-Datenfilter</a></li>
                     <li><a href="AufbAnwAL_learningObject16.xml">1.13.16. Incoming-Datenfilter</a></li>
                     <li><a href="AufbAnwAL_learningObject17.xml">1.13.17. Outgoing-Datenfilter</a></li>
                     <li><a href="AufbAnwAL_learningObject18.xml">1.13.18. Grundsätzliches zu Datenfiltern</a></li>
                     <li><a href="AufbAnwAL_learningObject19.xml">1.13.19. Verifizieren von Datenfiltern</a></li>
                     <li><a href="AufbAnwAL_learningObject20.xml">1.13.20. VTY-Zugriffseinschränkung</a></li>
                     <li><a href="AufbAnwAL_learningObject21.xml">1.13.21. Querverbindung zur ACL</a></li>
                     <li><a href="AufbAnwAL_learningObject22.xml">1.13.22. Zugriffseinschränkung auf Router</a></li>
                     <li><a href="AufbAnwAL_learningObject23.xml">1.13.23. IP-Standard-ACL</a></li>
                     <li><a href="AufbAnwAL_learningObject24.xml">1.13.24. IP-Extended-ACL</a></li>
                     <li><a href="AufbAnwAL_learningObject25.xml">1.13.25. IP-Extended-ACL</a></li>
                  </ul>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <li><a href="CR2-EG_glossary.xml">1.19. Glossar</a></li>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
                  <li><a href="CR2-EG_index.xml">1.20. Stichwortverzeichnis</a></li>
                  <div class="dotline"><img height="1" width="1" alt="separation line"
                          src="/_templates/airnet/authoring/images/1.gif" /></div>
               </ul> <!----> 
            </div>
         </div>
         <div class="contcol2"><a accesskey="2" class="namedanchor" name="content"> <!----> </a><div class="content">
               <h1 id="AufbAnwAL_learningObject15.xml">1.13.15. Incoming-/Outgoing-Datenfilter</h1>
               <div id="d8e11236.xml" class="look">
                  <table class="table" id="d8e11237" width="100%">
                     <thead>
                        <tr class="tablerowAlt">
                           <th class="tableheading" id="d8e11239" style="text-align: center; ">Präsentation</th>
                        </tr>
                     </thead>
                     <tbody>
                        <tr class="tablerowAlt">
                           <td class="tabledata" id="d8e11242"><span class="multimedia_paragraph_center"><img class="multimedia" id="d8e11243" src="../image/s2m007/AbbIncOutgDatFilt.jpg"
                                      width="55%"
                                      alt="" /></span></td>
                        </tr>
                     </tbody>
                  </table>
                  <p class="paragraph" id="d8e11244">Datenfilter werden in eine von zwei Richtungen, und zwar für <i>Incoming</i> oder <i>Outgoing</i> festgelegt. Soll das Filtern der Datenpakete auf der
                     					Quellschnittstelle erfolgen, wird der Befehl <code>ip
                        						access-group <i>x</i> in</code>
                     					eingegeben. Für den Fall, dass auf der Zielschnittstelle gefiltert werden soll,
                     					wird der Befehl <code>ip access-group <i>x</i> out</code> konfiguriert. Demnach
                     					bedeutet <i>Incoming</i>, in den Router eingehend
                     					und <i>Outgoing</i>, aus dem Router ausgehend. 
                  </p>
               </div>
            </div>
            <div class="footermargintop"> <!----> </div>
            <div class="topnav"><a href="#top">top</a></div>
            <div class="solidline"><img alt="separation line" height="1"
                    src="/_templates/airnet/authoring/images/1.gif"
                    width="1" /></div>
            <div id="footer"><a href="http://www.airnet.de">© AIRNET 2015</a> |  © <a href="http://www.elml.org/" target="_blank">(eLML)</a> | <a href="mailto:info@airnet.de">Kontakt</a> |  Update: 17.3.2015
            </div>
         </div>
      </div>
   </body>
</html>