what is public ip address and port

coexist, and all need to use 80 port, but only one IP, what to make Apache proxy, that is, the Apache agent, and this method is not the same, please distinguish. The following is an example of setting two environments with two IP

Php checks whether the IP address is a domestic IP address or a foreign IP address.

Looked at many times, just to sort out my understanding of the whole communication process, the following, will continue to learn to supplement the correction:When communicating using the TCP/IP protocol family, there are three key identifying information: MAC address, IP address, and

Windows Azure Platform Family of articles CatalogThis article describes the domestic azure China by the century connected operation　　　　Readers familiar with the Azure platform know that we are using azure virtual machine and there will be a public VM IP (VIP) and an internal IP (DIP). As follows:　　　　On the Azure platform, there are very important concepts about I

NetScaler's ultra-high-end port multiplexing helps address tension in the public networkhttp://blog.51cto.com/caojin/1898351Often people ask an IP only 65535 (regardless of the reserved port), from big-IP migration to the NetScale

Often people ask an IP only 65535 (regardless of the reserved port), from big-IP migration to the NetScaler need not increase the number of IP addresses to cope with large throughput scenarios, especially the application of link load balancing?As we all know, netscaler contrast big-

sequencing and verifying the packets.TCP can limit the speed of data transmission and indirectly control traffic UDP For a non-connected communication protocol, UDP data includes the original port number information and the target port number information, it can be broadcast sentBecause UDP communication does not require the receiver to confirm, so it is unrelia

The following method is used to determine whether an IP address is included in an IP Range: Some static methods may reference custom classes with the same name space, For merging two adjacent IP segments, you can add the maximum o

, and all need to use 80 ports, but only one IP, to make what Apache proxy, that is, Apache proxy, and this method is not the same, please distinguish. The following is an example of two environments where two IP

get public IP:BOOL Getpublicip (string IP) { int sock; char **pptr = NULL; struct sockaddr_in destaddr; struct hostent *ptr = NULL; Char destip[128]; Sock = socket (af_inet,sock_stream,0); if (-1 = = sock) { perror ("creat socket Failed"); return false; } Bzero (void *) destaddr,sizeof (DESTADDR)); destaddr.sin_family = af_inet; Destaddr.sin_port = hto

Issue: A vmware-brought NAT mapping 80 port is not valid causing the virtual machine Web site to map 80 ports to the public IP Idea: Since the NAT service of Windows Server can map a port to a Hyper-V virtual machine via a loopback adapter (see HTTP://MWT666.BLOG.51CTO.COM/6

Topic:The address that belongs to the network 112.10.200.0/21 is () 112.10.206.0 112.10.217.0 112.10.224.0 112.10.198.0 Analytical Solutions:Summarize: First, understand what the back of that 21 means, 21 means that the first 21 bits of the IP represents the network

I do not know how long has not updated the blog, this is actually long ago wanted to write but a drag is a few months, the recent procrastination is really crazy outbreak. Let's talk about what you want to write about today, but it's very simple, that is, how to use PowerShe

Everyone knows that the sharepoint2013 default installation uses 80 ports, HTTP can be accessed normally, but what do you do if you want to do NAT to public network to allow people from other cities to access your website via public IP? Unfortunately, you use the broadband of China Telecom, the default

The ping command is not able to test the port, Ping is only testing network connectivity and packet send and receive status. Format: Ping IP address or host name [-T] [-a] [-N count] [l size] Parameter meaning:-t keep sending data to the target host;-A to display the netwo

}) {5}$/ Port authentication :/^ ([0-9]|[ 1-9]\d{1,3}| [1-5]\d{4}|6[0-5]{2}[0-3][0-5]) $/Format is0-65535Divided into several parts to construct:60000-65535;10000-59999;1000-9999;100-999;10-99;0-9;The regular of each part is:6[0-5]{2}[0-3][0-5];[1-5]\d{4}; [1-9]\d{3}; [1-9]\d{2}; [1-9]\d; [0-9]After finishing is:([0-9]|[ 1-9]\d{1,3}| [1-5]\d{4}|6[0-5]{2}[0-3][0-5

Recently, it has been found that some local telecom companies provide users with a public IP address, and then several subnets. Some people do not know what the problem is? I do not know how to set it? I will tell you this now! For example,

how to tell if the local (router) assigned IP is public IP? public IP: Global unique IP address. there

Public ipThe mail system is used as a metaphor. There is a public ip address, which means you have a detailed address. You can write a letter to someone else, or someone else can use th

The previous article published the original IP address as the website address. After linux was shut down, the lab re-assigned a website address, which can be accessed by modifying the IP address but cannot be modified? I can't acc