Yahoo Messenger

I'm installing a firewall, and discover that users need to treat Yahoo Messenger differently for a specified group. Therefore I need to know which ports are being used by YM.

Here are list of the ports:

- Messages: 5050, 80, 23 and any port

- Voice: 5000 and 5001

- Webcam: 5100

Network Troubleshooting on Ubuntu

# ifconfig <– to see the network interface

# ethtool ethX <– to see if the NIC is disconnected or not

# ethtool -S ethX <– any error on NIC ?

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