industrial network protocols

, Clnt_adr; Socklen_t CLNT_ADR_SZ;if(ARGC! =2) {printf("Usage:%s , argv[0]);Exit(1); } Serv_sock = socket (pf_inet, Sock_stream,0);if(Serv_sock = =-1) Error_handling ("socket () error");memset(serv_adr,0,sizeof(SERV_ADR)); serv_adr.sin_family = af_inet; SERV_ADR.SIN_ADDR.S_ADDR = htonl (Inaddr_any); Serv_adr.sin_port = htons (Atoi (argv[1]));if(Bind (Serv_sock, (structSOCKADDR *) serv_adr,sizeof(SERV_ADR)) == -1) Error_handling ("bind () Error");if(Listen (Serv_sock,5) == -1) Error_handlin

transmission, you can temporarily connect to Port 20 of the FTP server and use this port for data transmission. FTP transmission mode: ASCII transmission mode and binary transmission mode. The difference between the two lies in whether the data is interpreted. The ASCII mode interprets the data, while the binary mode copies data one by one.3. Telnet protocol Telnet is one of the earliest remote logon protocols.You can log on to a remote computer on the local machine using the Telnet protocol.

IOS development network-HTTP and ios development protocols IOS development network-HTTP protocol Note: The apache tomcat server must use port 8080. I. URL 1. Basic Introduction The full name of the URL is Uniform Resource Locator (Unified Resource Locator) You can find the only one resource on the Internet through one URL. A URL is the address and location of a r

ARP command.C:\> Ping 192.168.1.1... ping output ...C:\> Arp–d *HTTP:The HTTP protocol is the most widely used base protocol today, thanks to many applications that are web-based, easy to implement, and simple to deploy, without the need for additional clients to use the browser. This process begins with requesting the server to transfer the network files.Include a get command from the visible message, and when HTTP sends the initial GET command, TCP

Network protocol in the movie server occupies a very important position, it can be said that if there is no network protocol, the movie server will not function at all. This article briefly introduces several current mainstream network protocols, hoping to provide some help to understand the movie server. 1, ftp: Full

Use of network protocols # Import ViewController. h @ Interface ViewController () @ End @ Implementation ViewController /** * Http is a Hyper Text Tansfer Protocol. All www files must comply with this Protocol standard. Http is a protocol for browsing and transmitting data on the World Wide Web. It accesses remote network resources in the format of http: //

resource's header field or read the remote resource's data through the input stream.getInputStream () gets the input stream.Reads the response data from the input stream.Attention:1) If you want to use the input stream to read the contents of the URLConnection response, and also use the output stream to send request parameters, be sure to use the output stream before using the input stream.2) with the help of the URLConnection class, the application can easily exchange information with the spec

Network communication protocols, as the name suggests, are the protocols used for communication in computer networks and the standards for various network data transmission and other work, only one effective standard model can ensure that all kinds of services and services on the Internet can be completed in an orderly

6.4 Configuring network ProtocolsThe database engine must have network protocols enabled before the client connects to the database engine. The SQL Server database engine can simultaneously enable multiple network protocols for the request service, and the client uses a sing

Network protocol Application Layer DHCPDNSFTPGopherHTTPIMAP4IRCNNTP XMPPPOP3 SIPSMTPSNMP SSHTelnet RPCRTCP RTPRTSPSDP SoapGTPStunNTPSSDP More Transport Layer TCPUDPTLSDCCP SCTPRSVPPPTP More Network layer IP (IPv4IPV6) ·ICMPICMPv6 IGMPIs-isIPSecBGPRIP OSPF ARPRarp More Data Link Layer Wi-Fi (IEEE 8