update readme

5 years ago · b437d5d0af
parent 7e375c2cbe
commit b437d5d0af
1 changed files with 3 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -76,7 +76,9 @@ $ sudo apt-get -y install miniupnpc
 $ upnpc -r 4001 tcp
 ```

-> Your IGD (router/GW) must support UPnP for this to work.
+> Your IGD (router/GW) must support UPnP for this to work.  
+> You can delete the port published via UPnP by running ``upnpc -d 4001 tcp``
+> and list them ``upnpc -l``.

 After that you should see lots of traffic is coming to your port 4001/tcp: