For remote execution pull-mode to work, other than 443 and 1883 port that needed to be opened in between a Satellite and a Client  we also require port 9090 as well to be accessible from client to satellite 6

Here in https://docs.redhat.com/en/documentation/red_hat_satellite/6.16/html-single/managing_hosts/index#transport-modes-for-remote-execution_managing-hosts we say  * The host can communicate with its Capsule over MQTT using port 1883.

• The host can communicate with its Capsule over HTTPS.

But no where we mention about 9090 

Need to update Ports recommendation section of installation guide