How to clear DNS query cache in Linux/Unix/Mac
In Linux, I use a dial-up connection to access the Internet. Frequent dial-up disconnections cause DNS problems. How can I clear the DNS Cache using shell commands in Linux/Unix distributions?
In
I use dial-up connection to the Internet under Linux, frequent dialing disconnection causes the problem of DNS. How do I use shell commands to clear the DNS cache under the Linux/unix release? Under Ms-windows, you can use the ipconfig command to
1. Clear DNS cache in Linux
There are two methods to implement DNS caching in Linux:One is to use DNS CacheProgramNscd (Name Service cache Daemon) is responsible for managing DNS cache.One way to implement DNS caching is to use bind to set up the
Under Ms-windows, you can use the ipconfig command to clear the DNS cache. However, Linux and UNIX provide different ways to clear the cache. Linux can run NSCD or BIND or DNSMASQ as the name Service cache daemon. Large or workgroup servers may use
DNS spoofing technology principle and Security Protection Technology
Overview: What is DNS spoofing?DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use your
Overview: What is DNS spoofing? DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use your browser to search for some information on google, you can enter
Overview: What is DNS spoofing?
DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use a browser to search for some information on Google, you can enter the
How to empty the DNS cache method/Command
How to empty the DNS cache under Microsoft Windows
In Microsoft Windows, your can use the command Ipconfig/flushdns to flush the DNS resolver cache.
Under Microsoft Windows, you can use command
Author: Spacefox, Secure Sphere CrewConan, OS3 (Open Source Software Society)/CICC Singapore (Center of International Cooperation for Computerization in Singapore)Source: evil baboons Information Security Team (www.eviloctal.com)
Overview: What is
Java internal DNS query implementation and parameter settings1. Java internal DNS query
Java uses its own internal domain name implementation mechanism for domain name query, and finally submits it to InetAddress for DNS resolution.
Source code
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