dnp3 protocol specification

header should appear only once, except for the destination Address option header, which appears up to two times (once before the routing header, once before the upper-level protocol header). If the top protocol header is another IPV6 header (in the case of using channel technology or encapsulated in IPV6), it can have its own extension header later. These extension header are arranged separately in the sam

Redis Communication Protocol Specification Redis is a key-value-based memory-based database. Program Then we know that we can use redis-CLI to connect to redis-server for communication and perform various operations. So how do we use advanced languages such as C, Java, Python, and C # To send a request to operate data and get the relevant data from the database (replies? If you have these questions Articl

. When a user is logged on globally, when accessing another service provider, the service provider that is accessed first interacts directly with the identity provider to inquire whether the user is globally logged on and, if it is determined that the user is logged on globally, to allow the user to access the service provided by him or redirect the user to the identity provider. To log on globally. In a specific single sign-on implementation, the identity provider and service provider interact

We have briefly introduced the HART protocol physical layer Specification Based on Software Design in the previous article. By understanding the OSI model and the knowledge about the HART protocol, we know that the specifications at the data link layer are still complex. Now let's take a look. HART protocol data link l

SELENIUM3 has announced that it does not support mobile testing. This is to retreat for the veteran test tool selenium, as the standard for mobile automation testing tools is still in the hands of the selenium team.This article mildly translates this standard, the person who can see understands not to have the translation also to understand, cannot understand the person to turn the hype is also confused.Note that this specification is for the develope

Translated from Yoram kulbak and Danny Bickson the eMule Protocol Specification Translation: lzcx QQ: 402722857 Email: lzcx_cn@yahoo.com.cn For learning. For more information, see the source. 6.1 General message encoding highlights This chapter describes the general message encoding methods for TCP/UDP listeners. 6.1.1 Byte orderAll messages are encoded with little-Endian instead of big-Endian and big-Endi

, especially this format appears in the "to:", "From:" and "cc:" fields of the Information header. If the SMTP Server accepts the forwarding task, but later it finds that the mail cannot be sent due to incorrect forwarding path or other principles, it must establish an "undeliverable mail" signal, send this signal to the sender of the message. This signal must be sent from the SMTP service of this host. Of course, this server should not report any error messages. One way to prevent this error re

Translated from Yoram kulbak and Danny Bickson the eMule Protocol Specification Translation: lzcx QQ: 402722857 Email: lzcx_cn@yahoo.com.cn For learning. For more information, see the source. 3 Client Server UDP CommunicationEMule clients and servers use unreliable UDP services to maintain connections and enhance search. The total number of UDP packets generated by the eMule client can reach 5%- These are