server port scanner

a "keep-connected" request to the server at regular intervals, and the server responds to the client after receiving the request, indicating that the client is "online". If the server can not receive the client's request for a long time, it is considered that the client "offline", if the client cannot receive a reply from the

/jesux directory and then opens the service:./jws start; If nothing happens, you can see the following information:And then we come through 80 ports to access the following our deployed interface (here my Ubuntu server IP is 172.16.9.66): Http://172.16.9.66/api/values, Access succeeded:Analyze if the port in the Apphost configuration worksThere's a test we've seen through 80 ports to access our interface si

Server server ==============Telnet If the command is successfully executed, you can see that the cursor keeps flashing in the upper left corner after the screen flashes. This indicates that the SQL Server is working normally and is listening for TCP/IP connection at port 1433.If the command returns an error message "

SQL Server connection port problems Yesterday, I encountered A strange problem. Machine A and machine B are equipped with SQL Server2000 and C #. The program connects the database from A to B, however, there is always an exception in the database connected to A from B. The exception prompt is "An error occurred while establishing A connection with the server. Whe

Tags: blog http os SP Data 2014 issue log BSThe Microsofit SQL Server2008 R2 was deployed on the Windows Server2008 server, and for the remote machine to be accessible, the 1433 port was opened with the following settings:1. Open "Local Security Policy", set the IP Security policy, add the Allow TCP-1433 policy2. Added inbound rules in "Windows Firewall with Advanced Security" tcp-mssql-1433-inThen, enter t

The server port for SQL Server is 1433 by default, and the location of the server port is set here:650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "border=" 0 "style=" Background:url ("/e/u261/ Lang/zh-cn/images/localimage.png ") no-repeat center;border:1

Today, my friend asked me to help set up the FTP server, a preliminary analysis, the problem has 2, one is remote connection did not open, a suspected FTP port 21 did not open. Remote connection Open Here, we all know that. Now specifically for the use of Windows generation of FTP tools after the installation of 21 ports did not open to say. Confirm whether the 21 problem cmd----Netstat-an look at the bot

Each large mailbox SMTP server and port collection:> Sina mailbox SMTP serverOutgoing servers: smtp.vip.sina.comPickup Server: pop3.vip.sina.comSina free MailOutgoing servers: smtp.sina.com.cnPickup Server: pop3.sina.com.cn>163 mailbox SMTP ServerPop:pop.163.comSmtp:smtp.163.com> QQ mailbox SMTP

Introduction to port 3389:Port 3389 is the service port of Windows 2000 (2003) Server Remote Desktop. You can use the remote desktop and other connection tools to connect to the remote Server, after you enter the user name and password of the system administrator, the remote

in fact, when it comes to Remote desktop ports, I think 2 a story that happened to me years ago, but before the story was told. Let's learn what to teach us after this lesson. The main lesson relates to how Windows Server 2003 modifies Remote Desktop ports,howWindows Server 2008 modifies Remote Desktop ports, modifies Windows XP system Remote Desktop port, and mo

The Nat virtual server is mainly used for the flow from the adslwan port to the LAN port. Sometimes, you will find that you can log on to another Wan FTP server from the adsl lan computer, but you cannot log on to your adsl lan ftp server from the WAN. Why? Because you have

PCI Express, with four-port gigabit connections providing higher network bandwidth Using a four-port Gigabit server Nic on any server, especially on Intrusion Prevention servers, can demonstrate significant advantages. The four-port PCI Express (PCIe)

The normal database connection string configuration, which is when the MSSQL server port is 1433 (default. The normal database connection string configuration, which is when the MSSQL server port is 1433 (default. But sometimes, for the sake of database

Twisted is a well-known network I/O framework based on Asynchronous events in the python field. It has excellent performance and has been tested by BT. I have been coveted for a long time, so I wrote a port forwarding server ~~~ Requirement: Forward Windows Remote Desktop to a port. That is, the remote desktop service is enabled on a B C. C and

(In the past years, based on Esframework to do a lot of C/s system, but also to help customers solve a lot of development and operation of the technical problems, the personal feel that these historical experience is very valuable, and then I will gradually share these experiences, I hope to encounter similar problems of people who have been inspired and help. ）The primary function of the Telnet command is to make a TCP connection to the destination port