Domain Name System Query Wireshark. Open Wireshark and start a Wireshark capture by double clicking a network interface with traffic. In this lab you will install Wireshark and use Wireshark to filter for DNS packets and view the details of both DNS query and response packets.
Description Wireshark is marking UDP port 53 keepalives sent by BIG-IP as malformed. Filtering on DHCP traffic in Wireshark. 2017 - 2019 Cisco andor its affiliates.
Expand Domain Name System query in the Packet Details pane.
Type A for IPv4 addresses. Because Wireshark allows you to view the packet details it can be used as a reconnaissance tool for an attacker. TYPE Two octets containing one of th type codes. Then expand the Flags and Queries.