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Instructions
http://source.android.com/porting/tcpdump.html
Source Code and Documents
http://www.tcpdump.org/
Compiled Binary Download
http://www.strazzere.com/android/tcpdump
數(shù)據(jù)包分析工具Wireshark
http://www.wireshark.org/download.html


Installing tcpdump
Pushing the binary to an existing device
Download tcpdump from http://www.tcpdump.org/, then execute:

adb rootadb remountadb push /wherever/you/put/tcpdump /system/xbin/tcpdumpadb shell chmod 6755 /data/local/tmp/tcpdump

Running tcpdump
You need to have root access on your device.
Batch mode capture
The typical procedure is to capture packets to a file and then examine the file on the desktop, as illustrated below:

adb shell tcpdump -i any -p -s 0 -w /sdcard/capture.pcap# "-i any": listen on any network interface# "-p": disable promiscuous mode (doesn't work anyway)# "-s 0": capture the entire packet# "-w": write packets to a file (rather than printing to stdout)... do whatever you want to capture, then ^C to stop it ...adb pull /sdcard/capture.pcap .sudo apt-get install wireshark  # or ethereal, if you're still on dapperwireshark capture.pcap          # or ethereal... look at your packets and be wise ...

You can run tcpdump in the background from an interactive shell orfrom Terminal. By default, tcpdump captures all traffic withoutfiltering. If you prefer, add an expression like port 80 to the tcpdumpcommand line.

Real time packet monitoring
Execute the following if you would like to watch packets go byrather than capturing them to a file (-n skips DNS lookups. -s 0captures the entire packet rather than just the header):

adb shell tcpdump -n -s 0

Typical tcpdump options apply. For example, if you want to see HTTP traffic:

adb shell tcpdump -X -n -s 0 port 80