Linux Journal looks at
for network analysis. "Besides basic monitoring,
Ethereal offers a lot of analyzing options. In my example at the start of
this article, I could have used a filter to pull out the expected
traffic. For example, adding tcp.port != 80 to the filter window and
clicking the Apply button would have excluded any port 80 (HTTP) traffic
from the display.
" Originally published in Linux Gazette issue 98.
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