what is public ip address and port

()) { //read out each host name under the user group foreach (DirectoryEntry decomputer in Degroup.children) { / /filter out Invalid results Computer:schema if (DEComputer.Name.ToLower ()! = "Schema") { listb_computer. Items.Add (Decomputer.name);}}} Effect evaluation: Slow speed, low efficiency, there

Before php5.2, if we want to verify whether the IP address is valid, we need to use regular expressions to verify that the IP address is valid. If it is valid, we need to call ping, but

/*** Determine whether the given IP address is an intranet IP address ** @ author GaoHuanJie */public class Test {public boolean isInnerIP (String ipAddress) {/* determine whether the

same. This approach requires the server to be equipped with multiple network interfaces, so the application is not very extensive; Based on IP port Different TCP port numbers are used to differentiate different site content, but users need to specify a port nu

Php determines that the IP address is a valid IP address. When most people see this log, the first impression must be about how to use regular expressions to determine. No. After php5.2.0, a special function is provided for this j

A virtual host can coexist with multiple sites. When the site has little traffic, multiple sites can run on one physical host to save resources (IP addresses and physical hosts. 1. IP-based VM: To implement a VM, you must first comment out the configuration of the central host, that is, disable the central host. You only need to comment out the line correspondin

The Ifconfig command is sometimes unavailable for permissions or other reasons when the Linux environment penetrates, so you can view the extranet IP in the following ways 1, how to view the public network under the Linux server IP address, you can use the following methods

#mail serverconfiguration$smtpServer= SMTP. Xxxx.com "$smtpuser =" [emailprotected] "$smtpPassword =" Oa123456 "#Create the mailmessage $mail =New-ObjectSystem.Net.Mail.MailMessage#Setthe addresses$mailaddress= "[emailprotected]" $users =@ () $users =import-csv -Path "C:\user.csv" foreach ($user in $users) {# $user = $users -split ', ' $mail .from=new-object System.Net.Mail.MailAddress ($mailaddress) $mailtoaddress =$ user.mailaddresslist $mail. To.add ($mailtoaddress) } #Detection thePublic

MasterProgramCode: // Obtain the IP address of the host domain nameProtected void btnshowlocal_click (Object sender, eventargs E){Txtashowanswer. value = "";String strshowany = string. empty; String strhostname = DNS. gethostname (); // obtain the local host nameStrshowanwser = "the local host's name is:" + strhostname + "/N ";Iphostentry iphost = DNS. geth

We generally use $ _ SERVER [REMOTE_ADDR] to obtain the user's IP address. after my research, there are two methods to obtain the user's real internet IP address. Generally, $ _ SERVER ['remote _ ADDR '] is used to obtain the user IP