When a DNS caching server gets a query from a subscriber for a domain, it looks to see if it has an entry cached. If it does not it asks authoritative DNS servers (run by domain registries or ...

DNS cache refers to the temporary storage of information ... However, the results of DNS name queries will not be cached and the computer’s name will not be registered. If the service is ...

Every time a user types a website URL in his or her browser, the browser contacts a local file (DNS Cache) to see if there is an entry to resolve the IP address of the website. The browser needs ...

Accepting recursive queries from arbitrary addresses allows servers to be used in DNS amplification attacks that can bring down major networks, and also leaves them vulnerable to cache poisoning ...

“This allows the attacker to infer the ephemeral port number of a DNS query, and ultimately lead to DNS cache poisoning attacks. It is a serious flaw as Linux is most widely used to host DNS ...

With DNS cache poisoning, however ... Another easy fix is to set the timeout of DNS queries more aggressively. For example, you should set it so that's less than a second. This way the source ...

DNS software is a favorite target of hackers, which can lead to security problems. Here are some of the most effective ways to lock down DNS servers. A DNS forwarder is a DNS server that performs ...

The concept of DNS cache poisoning is injecting forged answers ... both parameters can be successfully retrieved after 3,600 query rounds, while for Microsoft DNS, this drops to 720 rounds.

How to speed up DNS caching on Linux machines with dnsmasq Your email has been sent If you're looking to speed up DNS on your Linux machines, Jack Wallen shows you how with the simple to use dnsmasq.