consthttp=require("http");consthostname="127.0.0.1";constport=8090;constserver=http.createServer((req,res)=>{res.setHeader("Access-Control-Allow-Origin","*");res.end("Hello Zaking World!This is Node");});server.listen(port,hostname,()=>{console.log(`Server running at http://${host...
For example, if the content is to be output in printed book form, the book or chapter title can be incorporated into a header or footer. If the content is to be output as HTML content, the book or chapter title could be incorporated into a webpage as needed. As the foundational format...
Support forHost conditions. You can configure rules for your listener that forward requests based on the host field in the HTTP header. This enables you to route requests to multiple domains using a single load balancer. Support for routing based on fields in the request, such asHTTP header co...
The Ethernet switch creates the frame by encapsulating the Ethernet packet with a preamble, which is used to synchronize the sender and receiver, followed by a 1-octet start-frame delimiter byte. The Ethernet packet includes the data encapsulated by a header and a frame check value. The MAC h...
The HTML title tag appears in your site’s backend code near the top of the page, typically after the opening <head> tag (which defines the page’s header area). Here’s an example of the HTML title tag forour post on how to create a paid newsletter: ...
Often, servers include a WWW-Authenticate header prompting authentication. A 403 Forbidden response means the client’s identity is known, but they lack permission to access the resource. 403 vs. 404 Not Found A 404 Not Found means the requested resource does not exist or the server is ...
MPLSheader: MPLS label and some bits in the MPLS payload L2TP packets: tunnel ID and session ID The more hashable these hash factors are, the more evenly traffic is balanced. If network traffic is very complex and hash factors are used for hashing, it may be difficult to achieve the optim...
a buffer is generated for the payload based on the information contained in the header. When receiving a malformed packet whose size is claimed to exceed the maximum size of an ICMP message, that is, 64 KB, a device will allocate a payload of more than 64 KB, leading to a memory alloca...
Awebsite headerrefers to the very top section of a website page, and is the first thing visitors see when they arrive at a site. In such a strategic location, a header is generally used to display a navigation menu, business name, a logo or contact information. ...
An API, or application programming interface, is a set of rules and protocols that allows applications to exchange data, perform actions, and interact in a well-documented way. When a request is made—for a weather update, say—the API processes the request, executes the necessary actions, an...