大约有 800 项符合查询结果（耗时：0.0210秒） [XML]
Can't connect to localhost on SQL Server Express 2012 / 2016
... If not, start it.
You need to make sure that SQL Server is allowed to use TCP/IP or named pipes. You can turn these on by opening the SQL Server Configuration Manager in Start > Programs > Microsoft SQL Server 2012 > Configuration Tools (or SQL Server Configuration Manager), and make sure ...
Keep-alive header clarification
...this info kept ("this connection is between computer A and server F")?
A TCP connection is recognized by source IP and port and destination IP and port. Your OS, all intermediate session-aware devices and the server's OS will recognize the connection by this.
HTTP works with request-response: cli...
Who is listening on a given TCP port on Mac OS X?
On Linux, I can use netstat -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
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Can two applications listen to the same port?
... differs depending on what OS is being considered. In general though:
For TCP, no. You can only have one application listening on the same port at one time. Now if you had 2 network cards, you could have one application listen on the first IP and the second one on the second IP using the same port ...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...服务。同时，它还与分布在世界各地的所有CDNC节点保持通信，搜集各节点的通信状态，确保不将用户的请求分配到不可用的CDN节点上，实际上是通过DNS做全局负载均衡。
对于普通的Internet用户来讲，每个CDN节点就相当于一个放...
马化腾给创业者的3点建议：行业跨界领域最有机会诞生创新 - 资讯 - 清泛网 ...
...业者提出了多项建议。
“腾讯的历史也是这样，当年做通信的没有我懂互联网，做互联网的没有我懂通信，所以我做起了当时的QQ，包括现在的微信。”马化腾说，“这就是抓到了一个跨界的点。”
除了关注跨界领域，马化腾...
When is TCP option SO_LINGER (0) required?
...TIME_WAIT state, tying up all the available resources on a server.
When a TCP connection is closed cleanly, the end that initiated the close ("active close") ends up with the connection sitting in TIME_WAIT for several minutes. So if your protocol is one where the server initiates the connection c...
Why is SCTP not much used/known
...Stevens and I found that there is a third transport layer standard besides TCP and UDP: SCTP .
11 Answers
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
...ng infinite performance from hardware, can a Linux box support >65536 open TCP connections?
3 Answers
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Best TCP port number range for internal applications [closed]
...nal applications runs on an individual Tomcat instance and uses a specific TCP port. What would be the best IANA port range to use for these apps in order to avoid port number collisions with any other process on the server?
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