what ports to open for netscaler
The web browser from the Internet connects to NetScaler Gateway in the first DMZ. Note: NetScaler Gateway includes an option to redirect connections that are made on port 80 to a secure port. If you enable this option on NetScaler Gateway, you can open port 80 through the first firewall. When a user makes an unencrypted connection to NetScaler Gateway on port 80, NetScaler Gateway automatically redirects the connection to a secure port.
Citrix Receiver from the Internet connects to NetScaler Gateway in the first DMZ. Open TCP port 443 through the first firewall. The following table shows the connections that occur through the second firewall and the ports that must be open to support the connections.