1. Run wireshark with administrative rights.
for ex:
sudo wireshark |
2. Open Capture->Interfaces
3. Click Options on your desired interface for ex. eth0
4. Type: tcp for tcp traffic or tcp port 1863 for msn traffic only.
5. Click start
6. If you have selected tcp on step 4, type msnms in filter textbox for msn traffic only.
7. Happy sniffing!