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Does DNS do load balancing?
DNS-based Load Balancing is the practice of configuring a domain in the Domain Name System (DNS) such that client requests to the domain are distributed across a group of servers. DNS-based Load Balancing helps optimize client requests for a specific domain.
How does load balancing work with DNS?
DNS-based load balancing is a specific type of load balancing that uses the DNS to distribute traffic across several servers. It does this by providing different IP addresses in response to DNS queries. Load balancers can use various methods or rules for choosing which IP address to share in response to a DNS query.
What is a DNS redirect?
What is a DNS hijacking / redirection attack. Domain Name Server (DNS) hijacking, also named DNS redirection, is a type of DNS attack in which DNS queries are incorrectly resolved in order to unexpectedly redirect users to malicious sites.
What is VIP and DNS?
During configuration, a virtual service’s virtual IP (VIP) address can be specified by IP address or by DNS domain name. To be able to assign VIPs using DNS, the Controller must be configured to use a valid DNS server: Navigate to Administration > Settings > DNS / NTP.
What is a downside of using DNS records for load balancing?
Unfortunately, this simple implementation of DNS load balancing has inherent problems that limit its reliability and efficiency. Most significantly, DNS does not check for server or network outages or errors, and so always returns the same set of IP addresses for a domain even if servers are down or inaccessible.
Can you get hacked through DNS?
A DNS may be hacked for a range of reasons. The hijacker may use it for pharming, which is to display ads to users to generate revenue or phishing, which is directing users to a fake version of your website with the aim of stealing data or login information.
How are HTTP redirects different from DNS records?
HTTP redirects operate very differently from traditional DNS records. That’s because they require the help of a dedicated web server to store all of the redirects. When you create an HTTP redirection record, you’re actually making an A record that points to that web server. The web server will respond with a 301 redirect and the destination URL.
What’s the difference between forwarding rule and IP address?
The forwarding rule and IP address both depend on the tier that you select for the load balancer. In a TCP proxy load balancer, a forwarding rule points to a target proxy. In Premium Tier, a TCP proxy load balancer uses a global external IP address, which can be either IPv4 or IPv6, and a global external forwarding rule.
What kind of IP address does a load balancer use?
The forwarding rule and IP address both depend on the tier that you select for the load balancer. In Premium Tier, an SSL proxy load balancer uses a global external IP address, which can be either IPv4 or IPv6, and a global external forwarding rule.
What kind of forwarding rule do I need for load balancing?
In Premium Tier, an external HTTP (S) load balancer uses a global external IP address, which can be either IPv4 or IPv6, and a global external forwarding rule. You can provide a globally accessible application that directs end users to backends in the closest region and distributes traffic among multiple regions.