Canon PRO-100S series Online Manual page 194

Proxy Port
Proxy Address
("XX" represents alphanumeric characters.)
*1 Depending on the country or region of purchase, one of the channels from 1 to 11 is printed.
*2 Only when IPv6 is enabled, the status of the network is printed.
*3 Only when IPv6 and the IPsec setting are enabled, the status of the network is printed.
Specifying Proxy Port
Proxy Address
194
1 to 65535
XXXXXXXXXXXXXXXXXXXX