Hi @six ,   I am not sure if you ever resolved this issue, but in case you have not, I would advise reviewing the uplink loss on either end of the tunnel. You can check this by navigating to Security & SD-WAN > Monitor > Appliance Status > Uplink > Loss. Are you seeing packet loss on either side that could account for the spotty connection to your web servers? Are you running the latest MX firmware? Do other branch MX sites have troubles accessing these servers as well? ... View more