This is usually a good thing, as Wireshark can create traffic of its own by transmitting the DNS queries trying to resolve all the IP addresses that it comes across during the capture, and you don't really want that going on during a capture. However, the Name Resolution option can be very helpful to resolve IP addresses to proper hostnames after a capture is complete.
If you want to change selection, open document below and click on "Move attachment"
- (no access) - 9781783554638-WIRESHARK_ESSENTIALS.pdf, p32
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