Fokotuʻu ʻa e browser ke ngāue ʻaki ʻa e forward proxy, ʻikai ʻa e ICAP port ʻo e scanner. Ko e proxy ko e ICAP client; ko e scanner ko e ICAP server. ʻE lava ke moʻui lelei ʻa e tokotaha fanongo ʻi he port 1344 neongo ʻoku ʻikai ke ne mahinoʻi ʻa e ngaahi kole HTTP proxy ʻa e browser pe CONNECT.

ʻOku maʻu ʻe he hala feʻao ʻo e ICAP ha ngaahi fekau HTTP kuo fili ke siviʻi pe fakaleleiʻi. ʻOku ʻikai ngoahi ko ha toe hala ʻo e ʻInitaneti ʻi ha sēpini proxy. Lau ʻa e tohi fakapālangi.

Ngaahi tokoni fekau'aki