About
Wireshark 1) is a network sniffer that captures ethernet frames
Wireshark uses the library WinPcap to capture live network data on Windows.
Wireshark and HTTP
It can reassemble IP packet but it does not work on the message level (ie it doesn't act as a HTTP proxy, see other HTTP sniffer if you want to capture HTTP message)
Filter Expression
host 10.10.6.19 and port 8989
See also: Capture > Capture Filters