If there is a firewall/NAT between PFM - Agent for Service Response host and the target services for measuring, you need to set the communications that can pass through the firewall/NAT for each target service.

The following table lists how to set the communications that can pass through the firewall/NAT for each target service.

Table D-5 How to set the communications that can pass through the firewall/NAT for each target service

Target service for measuring	How to set	Port number
DHCP DNS FTP HTTP HTTPS IMAP4 POP3 SMTP	Set the port numbers for the communication protocol that can pass through the firewall/NAT.	--
TCP	Set the port numbers for TCP communication specification (IP address, port number) that can pass through the firewall/NAT.	--
Web transactions IE scenarios	Set the port numbers for the target Web pages that can pass through the firewall/NAT.	--
User-defined services	Set the port numbers for the user-defined programs that can pass through the firewall/NAT.	--

Legend:

--: Port numbers vary depending on the target services for measuring.