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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的访问速度,也可以解决多用户需要同时访问外网但公有IP地址不足的问题。同时可以作为一个防火墙,隔离内网与外网,并且能提供监控网络和记录传输信息的功能,加强局域网的安全性等。它的主要作用有以下几点。 1.共...
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known

...I had already: installed and tested ssh on my home network. Set a static IP for my pi. Set up a Dynamic DNS service and installed the software on my pi. I referenced these instructions for setting up the static ip, and there are many more instructional resources out there. Also, I set up port f...
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java.net.ConnectException: Connection refused

... This exception means that there is no service listening on the IP/port you are trying to connect to: You are trying to connect to the wrong IP/Host or port. You have not started your server. Your server is not listening for connections. On Windows servers, the listen backlog queue is f...
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Checking network connection

...or as err: return False Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to respond quickly. This fixed IP will not map to google.com forever. So this code is not robust -- it will need constant maintenanc...
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Linux command to translate DomainName to IP [closed]

Is there any Linux command to translate domain name to IP? 2 Answers 2 ...
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std::string的截取字符串的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

std::string的截取字符串的方法例如截取ip:port,代码如下:std::string ip("127.0.0.1:8888");int index = ip.find_last_of(':'); ipip.substr(0, index)....例如截取ip:port,代码如下: std::string ip("127.0.0.1:8888"); int index = ip.find_last_of(':'); //ip ip.substr(0, in...
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What do people find difficult about C pointers? [closed]

...started working with them, the biggest problem I had was the syntax. int* ip; int * ip; int *ip; are all the same. but: int* ip1, ip2; //second one isn't a pointer! int *ip1, *ip2; Why? because the "pointer" part of the declaration belongs to the variable, and not the type. And then derefe...
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Possible reasons for timeout when trying to access EC2 instance

...he same problem, and the solution ended up being adding my local machine's IP to the list of inbound rules in the active security group. In the inbound dialog below, enter 22 in the port range, your local IP/32 in the source field, and leave 'custom tcp rule' in the dropdown. ...
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How can I list ALL DNS records?

... Oct 11 '13 at 18:30 denis phillipsdenis phillips 11.7k55 gold badges3030 silver badges4747 bronze badges ...
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Binding IIS Express to an IP Address [duplicate]

...twork. Out of the box it can do localhost but I am trying to bind it to an IP address. 5 Answers ...