<source>you can see instruction videos everywhere in the internet, just search for <a href="http://www.youtube.com/results?search_query=Open+Ports+on+a+Router">Open Ports on a &lt;our-router-type&gt; Router</a> and add your router type as search term.</source>
<source>However: if you fail to open a router port, you can nevertheless use YaCy with full functionality, the only function that is missing is on the side of the other YaCy users because they cannot see your peer.</source>