Test Your Router - RouterSecurity.org
https://www.routersecurity.org/testrouter.php
WEBStart with the "Common Ports" test which tests ports: 0, 21, 22, 23, 25, 79, 80, 110, 113, 119, 135, 139, 143, 389, 443, 445 1002, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1720 and 5000. Then, move on to the "All Service Ports" which tests all the ports from zero to 1055 and takes about 70 seconds to run.
DA: 74 PA: 91 MOZ Rank: 67