ping webpage

Ping commands combined with dos batch processing can do a lot of work, especially for the lazy system administrators.Useful. I. Basic level: Lan ping command usage 1. Change the basic ping settings.The ping command must be repeated four times by default, and the wait time is also relatively long. This is suitable for w

Python uses the xmlrpclib module to ping Baidu and google This example describes how to use the xmlrpclib module in python to ping Baidu and google. Share it with you for your reference. The specific analysis is as follows: Recently, when I was doing SEO, in order to enable quick indexing of external links, I thought of using the ping function. Both google and Ba

The ping command to monitor whether the host is alive, as long as a ping is normal, if the ping fails to continue to ping, three times it is considered a host outage or network problems, then you can send email alerts.Method One:Note: If the number of machines judged is not many, can

succeeds, the copy of the IP datagram is passed to the matching original socket. The detection matching steps are as follows: The third parameter of the socket function must specify a value other than 0 when creating the original socket; If the original socket bind binds to a local IP address, the local IP address must match the destination IP address of the IP datagram; If the original socket has been assigned a foreign IP address by the connect call, the foreign IP address mu

1.pingThe ping uses an ICMP echo request and a loopback reply message. The packet sent out by the Ping tool does not pass the TCP/UDP protocol, but goes through the IP protocol. The time that the ping command calculates is the total round-trip time of the packet.The common options for the ping command are as follows:[P

First, in the Start menu in the Command box to enter cmd This command, as shown: Second, will return to the DOS environment, we can enter the ping command to detect. 1, we first to detect the intranet is the speed of connectivity, if the intranet other machine IP is 192.168.1.10, we can ping 192.168.1.102-t,-t is always ping, as shown in the figure:

How does Windows Azure not ping pass?To avoid ping flood attacks, Windows Azure does not open the external ICMP communication contract, so we cannot ping through the ping command. In the Microsoft Data Center is not the same VM under Virtual Network, only the operating system has open ICMP,VM between each other is able

Run the ping command to test the IPv6 connection. To obtain IPv6 configurations for the computer, open a command prompt and enter netsh interface ipv6 show interfaceInterfaceName, where InterfaceName is the name of the interface on the computer. For example, if you have an interface named "Local Area Connection", Type netsh interface ipv6 show interface "Local Area Connection". If IPv6 is not installed, see related topics ". Run one of the following c

ping command:Ping is a basic command to detect whether a network is unobstructed or to query the speed of a network connection. As a computer-obsessed enthusiast, the ping command is the first DOS command to be mastered. It uses the principle of this: the machine on the network has a unique IP address, we send a packet to the destination IP address, the other side is going to return a packet of the same siz

The use of computers has become increasingly popular, and people are increasingly inseparable from the Internet. The Internet is a sea of knowledge, in which everyone can make friends in different places, find the information they need, and find their favorite online games. In addition to daily life, many enterprises cannot do without the Internet, such as email business interactions, VoIP and instant messaging applications, communication of VPN remote information also increases the efficiency

of imcp) The destination address is the IP datagram of the broadcast address or multicast address. As the datagram of link layer broadcast. It is not the first slice of an IP address. The source address is not a datagram of a single host. This means that the source address cannot be zero, loop back, broadcast address, or multicast address. Although some of the provisions are not quite clear yet, all these provisions are defined to prevent the infinite transmission of ICMP packets. ICMP is

ping command to monitor network usage order Normally, when you use the ping command to find the problem or verify the network operation, you need to use a number of PING commands, and if all is running correctly, you can trust that basic connectivity and configuration parameters are OK; if some of the ping commands fa

In fact, the computer can not access the Internet can be divided into the following reasons, the system's IP settings, network cards, modems and line failures. Troubleshooting hardware and wiring problems, we can use the ping command to quickly detect network conditions. Step one: First of all, we click on the system in the beginning of the operation, in the Run bar to enter CMD command, the operating system of the DOS window will pop up, where we ca

I suddenly felt that the efficiency of direct access and reverse proxy will be somewhat discounted, but what is the discount? Let me test it. See the following figure and table.I. Table Data Ii. Diagram Bar Chart Line chartIii. Summary The performance difference is about 12 ms. For foreign servers, the battle is 1/15 in 12 ms, while for domestic servers, the proportion is 1/2 or 1/3, or even doubled in milliseconds. If a reverse proxy is used for a domestic server, at least

Frequent use of Ping commands can cause network congestion and reduce transmission efficiency. To avoid malicious network attacks, users are generally rejected to Ping the server. To achieve this goal, you can not only set in the firewall, but also on the vro, and also use the functions of the Windows 2000/2003 system. In either way, Ping is denied by forbidding

In normal use, Ping failure is often encountered. There are many reasons for ping failure, such as route settings, or network problems. The following are some reasons: 　 1. too worried. That is, when the network cable is inserted into the switch, you want to ping the gateway, ignoring the convergence time of the Spanning Tree. Of course, newer switches support hi

Good want to 2014 before the end of a 10 blog, ~ (>_ 2 ways Python detects if a server is ping 1, the first kind of comparison, is to call the shell with Ping,python, this applies to fewer servers, hundreds of is already very slow (of course, the Python synchronization method, if the Nodejs async mode is very fast, but Nodejs CPU calculation does not work, So try to have only 200 or so of the server can

The example in this paper describes how Python uses the Xmlrpclib module to ping Baidu Google. Share to everyone for your reference. The specific analysis is as follows: Recently in doing SEO, in order to let the outside chain can be quickly included, think of the use of ping function, Google and Baidu are related to the Ping introduced, interested friends can g

The ping command of a Linux system is a commonly used network command that is typically used to test connectivity to the target host by sending ICMP echo_request packets to the network host (send ICMP echo_request to net hosts) and displaying So that we can determine whether the target host is reachable (but this is not absolute) based on the information it outputs. Some servers are security-enabled to set up firewalls that prohibit pings or disable p

This example describes Python using the Xmlrpclib module to achieve the ping function of Baidu Google. Share to everyone for your reference. The specific analysis is as follows: Recently in doing SEO, in order to allow the hair of the chain can be quickly included, thought of the use of ping function, Google and Baidu have related ping introduction, interested f