11201: TCP connection timed out



ERROR

TCP connection timed out

tcp-connection-timed-out page anchor

Twilio cannot establish a TCP connection to your web server. The two attempts to connect to your web server were timed out. Each connection attempt has a 5 second timeout.

  • firewall in your network blocking incoming TCP traffic
  • network outage between Twilio and your web server
  • invalid host part in the HTTP URL pointing to non-existing host or private IP address
  • verify firewall configuration in your network or on the web server
  • verify network connectivity to your web server
  • verify the HTTP URL provided is accessible to the public Internet