dns packet format rfc

RFC document directory Rfc1 host softwareRfc2 host softwareRfc3 documentation SpecificationRfc4 Network ScheduleRfc6 and Bob Kahn sessionsRfc10 documentation SpecificationRfc13 zero text length EOF InformationRfc16 M. I .tRf18imp-IMP and host-Host

DNS protocol details I. PrefaceThe new version of Foxmail provides the "express mail" function. At first, I did not know how to use it. Later I learned to set the IP address of the local DNS server in tools> System Options.I think this new function

I. PrefaceThe new version of Foxmail provides the "express mail" function. At first, I did not know how to use it. Later I learned to set the IP address of the local DNS server in tools> System Options.I think this new function is quite useful. You

The following is a brief description of each column:QidThe number of the DNS query package, which is used as the confirmation basis.QrThe query packet is 0 bytes and the response is 1. The length is 1 byte.OpcodesEncapsulation type (query, IQUERY,

When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The following procedure is for personal understanding only:Domain name resolution--Initiates a TCP 3 handshake-

Original address: http://www.cnblogs.com/engeng/articles/5959335.htmlRecently, the interview is often asked this question, want to interview the interviewer wants to examine the network knowledge, see whether this knowledge has formed the

1 b/S Network architecture overviewWhen a user enters URL:www.google.com in the browser, the following actions occur: 1. The browser requests DNS to resolve the domain name to the corresponding IP address ; 2. Locate the corresponding

What is the process of a complete HTTP transaction? statement: The statement in this article is only a summary of personal understanding, not necessarily completely correct, but can help to understand. For the HTTP protocol, refer to

Brief Introduction The simplest way to define tcpdump is: Dump the traffic on a network, the packet analysis tool that intercepts packets on the network according to the user's definition. Tcpdump can intercept the "head" of packets transmitted in

When we enter www.linux178.com in the address bar of the browser, and then go to the car, enter this moment to see the page in the end what happened. The following procedure is only a personal understanding: Domain name resolution--> initiate