socat tcp to serial

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13-51 single-chip microcomputer ESP8266 Learning-at instruction (ESP8266 as a TCP client, connect a TCP server, use the Serial debugging assistant and the phone TCP debugging assistant test)

module, send the data before sending instructions, so that the module automatically forwardedAlthough it is set, but it seems not possible ....But it seems like a change of command.At+savetranslink=1, "192.168.4.2", 8080, "TCP"It seems to have been modified, and has been made to save the mode, the power outage will also save the settings,The new version of the AT command seems to be done specifically to save the settings inside the module, set up the

TCP Serial number and confirmation number detailed

transferred from: http://blog.csdn.net/webnumen/archive/2007/03/26/1541330.aspx TCP Serial number and confirmation number detailedIn network analysis, reading the trend of TCP serial number and confirmation number, can help us to learn the TCP protocol and troubleshoot com

ASA testing of TCP serial number disruption

I. Overview: I listened to the ASA course of yeslab's instructor QIN Ke and talked about ASA's random initialization of serial numbers to disrupt TCP. So I set up an environment for testing and found that not only is the serial number initialized by TCP disrupted, the subsequent TC

TCP serial number and confirmation number

The TCP protocol works in the OSI transmission layer and is a reliable connection-oriented data stream protocol. The reason why TCP is reliable is that it ensures the order of transmitted data packets. The sequence is ensured by a serial number. The response package also contains a serial number, indicating that the re

Development of Python acquisition software using VSPD, Modbustool analog serial port and MODBUS TCP device

Tags: declaring article sed analog serial port processing simulation another Erro preCopyright NOTICE: This article is for Bo Master original article, welcome reprint, and please indicate the source. Contact information: [Email protected] Many instruments/devices provide data acquisition interface, many of which are serial or network MODBUS/TCP protocol. The

Notes on the serial number of TCP packets (SKB) in linux

Note: to modify the TCP protocol, you have encountered the serial number of the tcp group to be modified, however, if the end_seq of SKB is found in the tcp_sendmsg function, but it is not clear that seq is not found, it is initialized there, and Notes about SKB serial number To modify the

Serial port forwarding TCP/IP utility

Keywords: SerialPort to TCP/IP, serial, remote serial debugging I began to learn from the Vckbase VC + +, without him I will not progress so quickly, has been trying to give vckbase contribute to something, just today is free, on the earlier write a serial port to TCP/IP pr

Introduction to serial port listener monitoring and TCP/IP Protocol Resolution Software

open COM, send data, accept data, and close COM. 5. Contact Information Fu_jinying@sohu.com Http://home4u.china.com/HOME10/90/70/30/20/42/0000297324/COMgrasp/COMgrasp.rar 6. Advantages On the LAN, we have many tools for developing protocols, such as NetxRay, Sniffer, and Ethereal. But unfortunately, most of our protocols are developed on embedded systems, for this reason, many people have made a lot of effort to manually check and judge one byte or even one bit or one location. Now, we finally

Tcpdump The TCP packet caught exceeds the MTU and is not synchronized with the ACK frame serial number

Recently, using tcpdump to study and analyze TCP parameters, the results of the grab package under Linux at first made me wonder that Ubuntu and Debian had the same phenomenon on hand. The specific is to catch the sender of the TCP data segment of the length of the regular change, and the receiver reply to receive the frame of the serial number and the sender is

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