In an authorized capture, `tcp.port==80` is a Wireshark display filter that selects Transmission Control Protocol (TCP) traffic associated with port 80.
Answer
true
Explanation
### Why this is right
The expression `tcp.port==80` filters for Transmission Control Protocol (TCP) packets associated with port 80. It is a display filter, so it limits what Wireshark shows from the capture rather than initiating network traffic.
### The concept
A port filter helps isolate traffic associated with a particular service endpoint. A filter for port 80 is often used when examining web traffic, although the filter itself does not prove that every selected packet contains HTTP. Capturing and inspecting traffic must be limited to systems and networks where you have permission.
### Terms
- **TCP**: Transmission Control Protocol. A transport protocol that supports reliable, connection-oriented communication.
### Remember
A display filter selects captured packets; it does not perform an active scan.
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