How to Resolve DNS Issues in Presto

Presto has detected a problem, typically stemming from an environment that has implemented DNS rebinding attack protection, that is preventing required DNS resolution.

Please ensure that the following are part of your network configuration:

Whitelist URLs

• *.collobos.net
• *.collobos.com
• *.papertrailapp.com
• https://maps.tilehosting.com
  

Required Ports

• TCP 9631 Inbound
• TCP/UDP 53 Inbound
• UDP 5335 Inbound
• TCP 443 Outbound (used for license activation)
• HTTPS 8009 Outbound

If you continue to encounter this issue, please contact our  Support team