local network ip

other data frames that have arrived at the network interface but are not sent to this address, the network interface will not respond after verifying that the delivery address is not its own address, that is to say, the application cannot receive incoming packets. The purpose of the network sniffer is to receive all packets passing through it from the

defective, for example:The Inet_ntoa function return value is a pointer to a string, this memory will be overwritten every time the Inet_nota function is called, if you do not take the data in time, there will be unexpected errors, so the function is unsafe, there is a hidden danger;The return value of the Inet_addr,inet_network function is 1 when it represents an error, occupies the value of address 255.255.255.255, there is a flaw, buried the hidden trouble.Here's a piece of code that shows y

is with IP conflict resolution This situation is mainly due to other computers under the router is also using your computer's IP address, resulting in IP address conflicts, there is no access to the Internet and so on. The main reasons for this situation are: 1, the local computer uses the 192.168.1.1

programming implementation, this set of NIC hybrid mode is implemented through the raw socket, which is different from the commonly used data stream socket and datagram socket. After creating the original socket, you need to use the setsockopt () function to set the IP header operation options, and then bind the original socket to the local Nic through the bind () function. To enable the original socket to

The example in this article describes how Python generates a local IP address in bulk. Share to everyone for your reference. The specific analysis is as follows: This code is used to generate a local IP address on the local computer bound to the

Ask a question, the local server, with the wireless network card network, the external device can be automatically generated by IP access to the local site, and through the network cable routed through the

How to make the VMware IP on the same network segment as the native IPoriginal May 08, 2017 17:28:56 1287 First verify that the native IPYou can see the information:Native ip:192.168.1.162Gateway: 192.168.1.1DNS server: 192.168.1.1There are two types of virtual machine network adapters: VMnet1 and V

IP Phone cross-network IP Phone configuration (STEP): 1. Add the interfaces connected to the two switches to the voice VLAN. 2. Ensure layer-3 connectivity between the two routers. 3. automatically assign an IP address to the IP Phone. DHCP must be enabled for both routers.

mailbox or other client programs to send mailboxes, if the other side of the use of the Web mailbox to send mail is the web's IP address, is not the other side of the real IP address. Log Query method: The so-called Log Query method is through a number of Third-party software log to query the local IP address. For

time the DNS cache will return to your previous IP address, rather than the current public network IP address S. The following is a specific process: Use the command "Ipconfig/displaydns" to see all the records in the native DNS cache. A record of the ping-is-no-good.gicp.net is found in the following illustration: When a computer pings a domain n

/local/nginx/sbin/nginx-s reload can take effect.Method two, using Nginx's Ngx_http_access_moduleThe Ngx_http_access_module module can be used to set which IP or IP segment access is allowed/disabled, and the contents of a file can be set similar to the following: The code is as follows Copy Code Deny

IP Control Protocol The IP protocol is only responsible for transmitting IP packets and cannot detect and control problems in the network. These tasks are completed through the Internet control protocol. ICMP (Internet Control Message Protocol) (1) The IP protocol provides

This article mainly introduces how to generate local IP addresses in python in batches. The example analyzes how to generate local IP addresses and bind them to the network card in Python, which has some reference value, for more information about how to generate

hub.(3) VLAN DivisionIn order to overcome the problem of Ethernet broadcasting, VLAN (virtual local Area network) technology can be used to turn Ethernet communication into point-to-point communication to prevent network interception. Each port of the switch is configured as a separate VLAN, enjoying a separate vid. Each user port is configured as a separate VLA