Domain Name System Query Wireshark
Dns domain name system dns is a very popular and well known protocol dns server is most critical service component of internet without dns service internet become paralysis.
Domain name system query wireshark. The well known tcp udp. Browse other questions tagged domain name system wireshark packet capture or ask your own question. Explore dns query traffic a. Expand domain name system query to view dns details.
Internet organization in every country are managing thousands of name servers around the world operating under 13 dns root zone servers are called authoritative name servers. Access the winclient machine. Notice that it is domain 53 the dns server port. You should find a user account name for theresa johnson in traffic between the domain controller at 172 16 8 8 and the windows client at 172 16 8 201 as shown in figure 14.
Observe the destination port. Observe the source port. Finding the windows user account name. Unlock the machine by clicking on the drop down arrow for that specific machine s tab and select send ctrl alt del.
Typically dns uses tcp or udp as its transport protocol. Notice that it is the same dynamic port used to make the dns query in the first packet. Expand flags to view flags details. Field name description type versions.
Making kubernetes work like it s 1999 with kelsey hightower. Notice that this is a recursive response. Dns was invented in 1982 1983 by paul mockapteris and jon postel. In this lab use wireshark to filter for dns packets and view the details of both dns query and response packets.
Scroll down to the last frames in the column display.