Imperva – Port Usage
Port	Protocol	Description
443	TCP	HTTPS – Web console
80	TCP	HTTPS – Imperva Update Server
22	TCP	SSH – Remote Management
8083	TCP	Proxy – Appliance Agent communications
53	UDP	DNS Server
123	UDP	NTP Server
514	UDP	Syslog Server
162	UDP	SNMP Trap Server
25	TCP	SMTP Server

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