Port txt Named port (any name in /etc/services, e.g., http) u32:1-65535 Numbered port <start-end> Numbered port range (e.g. 1001-1005) \n\n Multiple destination ports can be specified as a comma-separated list.\n The whole list can also be negated using '!'.\n For example: '!22,telnet,http,123,1001-1005'