Why does an Active FTP not work with network firewalls?

Why does an Active FTP not work with network firewalls?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, network-security, topic-specific, security

参考答案摘要

A firewall is established by typing a port number (or a range of port numbers) and an incoming or outgoing direction of traffic (active or passive FTP) into the rules. These two types of traffic requi...

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