Hi @milan.gurung ,

Thank you for your question. As the error suggests, the session is not opened, which might or might not be related with the Firewall. To investigate the session issue I would advice Diagnosing that using the following code:

import logging.config
session.set_log_level(logging.DEBUG)
session.open()
# To set logging back to default value
session.set_log_level(logging.WARNING)

To enable the logs in the console, please use:

rd.get_config().set_param(
    param=f"logs.transports.console.enabled", value=True
)

Hope this helps, feel free to share the log output if you would want us to investigate the issue further.

Best regards,

Haykaz

Hi @milan.gurung,

As pointed out by Haykaz, the default firewall settings in AWS block all the ports. Please have your admin configure the AWS security group to allow outgoing connections to following IP address on port 443.

DNS Records for api.refinitiv.com
Hostname          Type    TTL    Priority    Content
api.refinitiv.com    A    288                99.83.242.11
api.refinitiv.com    A    288                75.2.0.254

Thank you Haykaz, Gurpreet.
Once fire wall settings have been configured by our Firewall security engineer, our app is able to make a successful call to the end point.