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<br> <br><p> However, if you aren't running a server that listens to port 80, your computer doesn't care what's in that packet; it will get rid of it. Running a server does not harm your pc. So, to run a server behind a router, it's a must to forward the port.If you ahead port eighty on your router to your pc, nice, your laptop will get any HTTP requests. Should you ran a web server behind your router, you could inform the router to ahead port 80 to the server; any packets coming to the WAN IP and the router tagged with 80 could be sent alongside to your server. IP handle of your pc in the context of your home network (LAN IP) is completely different from the IP address the rest of the world sees (WAN IP).for those who run a server of anything, folks trying to connect to it can even hit your router as a substitute.This is where port forwarding comes in. There should be some program listening to a port for any cracker to "break in" to yo