cannot stealth port 80

Hey guys, the same issue you’ve seen many times. I perform a security check with the shieldsup and port 80 fails. Under the “Firewall Tasks”, “stealth ports” part, I clicked “block incoming connections”, but still no chance. The strange thing with shieldsup, each time I reload the common ports page, it either complains ports 21 and 23 are open or they are stealthed. I don’t get this, do you think the state of the ports 21 and 23 can change from one moment to another? I use tp-link 8840t router.

Thanks for the help,

The operative word here is router. Shields Up is probing your router because it sits in between the site and your computer.