Documentation/devtools/maemo5/tcpdump
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[[Documentation/devtools/maemo5/iputils|iputils]], [[Documentation/devtools/maemo5/netcat|netcat]] | [[Documentation/devtools/maemo5/iputils|iputils]], [[Documentation/devtools/maemo5/netcat|netcat]] | ||
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Latest revision as of 15:24, 11 March 2010
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This article documents a developer tool. A list of available devtools is available, together with installation instructions. |
Contents |
[edit] Description
Tcpdump is a powerful utility to capture and monitor data on the network.
Tcpdump can take a boolean expression to filter the traffic according to your interests. For example if you're only interested in HTTP traffic, you can easily let tcpdump only show or capture that.
Tcpdump is also able to print out a description of the contents of each captured packet. However, for closer analysis it's usually best to save the data and analyze it later.
[edit] Packages
source: tcpdump
binary: tcpdump
[edit] Usage Examples
Capture all data coming from host host.domain.net to your machine and write it to the file capture.cap:
# tcpdump -w capture.cap src host.domain.net
Display on screen a hex dump of all UDP packets going to host.domain.net:
# tcpdump -X udp and dst host.domain.net
[edit] Links
[tcpdump man page](/development/documentation/man_pages/tcpdump.html)
[edit] See Also
- This page was last modified on 11 March 2010, at 15:24.
- This page has been accessed 7,265 times.