The computer ports are as follows:
0 Port: Invalid port, typically used to analyze operating system
1 Port: Transmission Control Protocol port Service multi-Switch Selector
2 Port: Management utility
3 Port: Compression process
5 Port: Remote
Original address: http://www.moon-soft.com/download/info/2826.htm
Port: 0Service: ReservedDescription: Typically used to analyze the operating system. This method works because in some systems "0" is an invalid end, you will have different results
How to change the SA password and default port number of the SQL Server database qq752923276 csdn blog I want to comment () font size: T | T
This article describes how to change the SA password, change the default port, and set the port number
TCP/UDP Common port number
7 Echo (PING)9 DiscardDaytimer19 Word Fuzhou Builder20/TCP FTP Data21/TCP FTP Control File Transfer Protocol22/TCP SSH Secure Login, File transfer (SCP), and port redirection23/tcp Telnet Unsafe Text transfer25/tcp SMTP
Original: SQL Server connectivity Issue-TCP/IPOriginating From: http://blogs.msdn.com/b/apgcdsd/archive/2012/02/24/ms-sql-server-tcp-ip.aspxBasic principles of how TCP/IP works here's not a waste of saliva. Now this network age, who does not know
Problem:
Telnet fig 1433Tip: the connection to the host cannot be opened. port 1433 indicates that the connection failed.
Solution:
Log on to the remote SQL ServerCheck whether the IP address of the ping server can be pinged.
This is to see
How to solve the connection problem in SQL Server 2000
Applicable
Important: This article contains information about modifying the registry. Before modifying the registry, you must back up the registry and know how to restore the Registry in case of
Follow the practices in the following articles to finally solve the problem. The patch for SQL SP4 was not installed.
1. SQL2000 telnet port 1433 cannot connect to, and the database service is not started.2. the firewall shields the Telnet
The ports can be divided into 3 main categories:
1) Recognized ports (well known Ports): from 0 to 1023, they are tightly bound to some services. Usually the communication of these ports clearly indicates the protocol of a certain service. For
1024 The following is reserved for the system, and from 1024-65535 is used by the userFor personal writing applications, try not to use a port number between 0 and 1024.1024 to 65535 we can program with. This is not a Linux rule, it is the socket
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