clumsy will choose which packets to capture by given filter, in which in can specify whether it's inbound or outbound, tcp or udp, socket port or ip, or a logical combination of many of those criterias. When started clumsy will only capture packets based on the filter, leaving others untouched.

After packets are captured, you can choose to enable provided functions to worsen perspective network condition:

Lag, hold the packets for a short period of time to emulate network lagging.

Drop, randomly discard packets.

Throttle, block traffic for a given time frame, then send them in a single batch.

Duplicate, send cloned packets right after to the original one.

Out of order, re-arrange the order of packets.

Tamper, nudge bits of packet's content.

Though nowadays it seems everybody have high speed broadband Internet connection, it's still important to face the fact that network transportation isn't always reliable. You don't want a duplicated UDP packet to crash your application. Properly handle this usually requires adding more code in their projects, and it's not always easy nor possible. Hopefully clumsy can provide an easy and painless (though suboptimal) option to do this for busy developers.

The project repository is on github https://github.com/jagt/clumsy . Download clumsy here http://jagt.github.io/clumsy/download.html. But before you actually use it, be sure to read the manual to know its capabilities and limitations.

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