what is best dns server

What is the difference between the server CPU and the normal CPU? Below we find a professional literature, quickly to increase knowledge. Overall, there are six main differences between the server CPU and the common computer CPU, so let's look at it together. One, the instruction set

This time chat "dns server".The DNS (domain name System) server, also known as the domain name server.Because when using the Internet, you must specify a DNS server, so you must have heard the name DNS.So,

The SQL Server database has three file types, data files, secondary data files, and log files, where the log files contain all the log information used to recover the database, SQL Server always writes the log file LDF first, and data changes are written to MDF, which can lag So the speed of log writes determines the amount of write transactions that SQL Server c

Label:The VIA protocol is a connection agreement for SQL Server, with the full name virtual Interface Architecture, the Chinese name being the dummy interface schema. This agreement was supposed to come out of the Wintel Alliance. The Wintel Alliance is a business alliance between Microsoft and Intel, which intends and succeeds in replacing IBM's dominance in the

suspicious Processes In the Linux system, files of .exe or. Bat cannot be forced. If they are common viruses, they will be uploaded to you. To sum up, hackers usually scan ports of commonly used services, such as ports 3389, 1433, 25, and so on. If you modify the ports, the ports are enhanced. Then the user accounts and passwords must be complex, it cannot be a general-purpose complex, or a vulnerability such as software or website programs, such as vulnerabilities such as JSP, ASP, and PHP b

Label: style blog HTTP Io SP 2014 problem on CWhat is the maximum connection limit of the server? One installation 13 test for the open-source project of diocp3 (8 W connections)Test demo pathDiocp3 \ samples \ echoPreviously, the group said that a server can have a maximum of 65535 high (Word) connections. At that time, I checked that the socket type

To get the day of the week, you need to use the DATE function in SQL Server: Datename ().Today is the day of the week, Example 1: Set Language N ' 中文版 ' select Datename (Weekday, GETDATE ()) WednesdayToday is the day of the week, Example 2: Set Language N ' Simplified Chinese ' select Datename (Weekday, GETDATE ()) WednesdayToday

Because server 2008 has high security, users are periodically reminded to change their passwords as follows:How to solve such a problem do not let it expire do not let it hint?You can do this by following these steps:1. Open Server Manager, select "Configure"-"Local Users and Groups"-"users"2, right-click Administrator, select "Properties", in the "General" option tick "Password never Expires", click "Apply

Tags: Server DNSDNS uses both UDP and TCP port 53 at the same time. This single application protocol uses two transmission protocols at the same time, which is an alternative in the TCP/IP stack. However, few people know under what circumstances DNS uses the two Protocols. If Wireshark, Sniffer, or tcpdump

Please take a critical look at the following words: Thread and process (threads and processes), simply put, when you start a program, you start a process. In the early days, the win3.x system was in process units (Hey, in fact, I have never used win3.x). After Win98, each process can start several threads, so the thread is used as the unit. In today's operating systems, threads run independently, but they share some memory fragments, such as global va

Sock5 Proxy Server:The proxy and the proxy server communicate with each other through the "sock4/5 proxy protocol" (For details, refer to the RFC documentation ). The sock4 proxy protocol can be said to strengthen the HTTP Proxy protocol. It not only acts as a proxy for the HTTP protocol, but also acts as a proxy for all external connections, without protocol restrictions. That is to say, as long as you con

What is a self-increment columnThe ID column can be set to self-increment in SQL Server. That is, you do not need to specify a value for the ID, the column is automatically assigned a value by SQL Server, and the value of each new