macos 如何在 Mac OS 10.7 Lion 上嗅探数据包？
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How to sniff packets on Mac OS 10.7 Lion?
提问by Michael Eilers Smith
I'm developing a website that uses SSL (connction to https) and I want to confirm that all the data sent is encrypted. Could anyone give me a good free packet sniffer on Mac OS that I could use?
我正在开发一个使用 SSL（连接到 https）的网站，我想确认发送的所有数据都已加密。任何人都可以在 Mac OS 上给我一个很好的免费数据包嗅探器，我可以使用它吗？
Thanks!
谢谢！
回答by Gordon Davisson
It's not as slick as Wireshark, but OS X has a built-in command line tool for capturing and displaying packets:
它不像 Wireshark 那样圆滑，但 OS X 有一个用于捕获和显示数据包的内置命令行工具：
sudo tcpdump -A -s0 -ien0 port 80
(the -Aflag makes it display the packets' contents as text, -s0makes it capture entire packets not just the headers, -ien0makes it capture on the first ethernet interface (generally, the wireless is en1), and port 80makes it only capture traffic to/from port 80 (see the man page for more options for capture patterns.)
（该-A标志使其将数据包的内容显示为文本，-s0使其捕获整个数据包而不仅仅是标头，-ien0使其在第一个以太网接口（通常，无线是 en1）上port 80捕获，并使其仅捕获进出端口的流量80（有关捕获模式的更多选项，请参见手册页。）
回答by AbiusX
Don't forget Packet Peeper, WireShark is not so nice on Mac.
不要忘记 Packet Peeper，WireShark 在 Mac 上不是很好。
回答by Marty
Wireshark, or, Lion comes with one built in. Find it at /System/Library/CoreServices/Wi-Fi Diagnostics. I prefer Wireshark.
Wireshark 或 Lion 内置了一个。在 /System/Library/CoreServices/Wi-Fi Diagnostics 中找到它。我更喜欢 Wireshark。
