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Article Title: Detailed description of Dynamic DNS service configuration in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In network management, DNS

This document describes the configuration process. 1. The core idea of configuring a dynamic DNS server is to run multiple binds on the DNS server. each BIND provides resolution for users from different regions, therefore, each BIND should have different configuration files and domain files, and listen on different ports respectively. When receiving a

Namedmanager is a web-based DNS management system that you can use to add, adjust, and remove Zones/records data for DNS. it uses bind as the underlying DNS service, providing a modern Ajax web interface that supports IPV4 and IPV6. The application is stable and does not have any problems using the production environme

Summary This article describes how to configure a dynamic DNS server using IPtables. 1. Core Ideas The core idea of configuring a dynamic DNS server is to run multiple binds on the DNS server. Each BIND provides resolution for users from different regions, therefore, each B

client computers makes it difficult to manage manually updating their A resource records and PTR resource records. The workaround for keeping the latest DNS in a DHCP environment is DNS dynamic update, as described in RFC 2136. DNS dynamic update enables

DNS Service delegation Environment: Two DNS servers (one parent domain, one table domain), one client Objective: To facilitate maintenance when there are too many subdomains Steps: 1. Open "Start" → "Administrative Tools" → "Server Manager" in the parent domain DNS server and click "Add Roles". : 650) this.width=650; "

the attack packets, those are normal access traffic, so that the normal access to pass the traffic and block the attack packets. This allows the DNS server to not be overloaded by an attack. The FortiGate IPs has an anti DDoS attack capability of more than 100,000 PPS per second. Figure I: FortiGate anti-DDoS configuration 2, for the regular large-scale DDoS attacks, such as the Storm audio and video software launched by the baofeng.com of a large

Centos7 configure YUM to install the DNS Service 1. Configure the DNS address vim /etc/resolv .conf nameserver192.168.1.100 # Note: the address here is the address of your local DNS server. 2. Install dns yum install bindbind-utils 3. Start the

normal access traffic are used to block attack packets. In this way, the DNS server will not be overloaded by attacks. FortiGate IPS can defend against DDoS attacks that exceed 0.1 million PPS per second. Figure 1: Anti-DDoS configuration of FortiGate 2. for regular large-scale DDoS attacks, such as a large number of DNS queries on baofeng.com initiated by storm audio and video software, FortiGate c

changed or renewed any installed network connection. For example, when a computer is started orThis update will occur when the ipconfig/Renew command is run. Use ipconfigThe/registerdns command can be manually forced on the DNS. The computer is turned on. Problem Analysis: As we all know, the DHCP service can be used to automatically obtain IP addresses. In-company computers, because few computers use DH

Bind is a set of software that implements the DNS service (official site: isc.org), which contains server-side programs named (provided by the BIND package, listening sockets: 53/tcp, 53/UDP), and client Tools host, Nslookup, Dig (provided by the Bind-utils package). To ensure the security of the server, bind also provides a "sandbox mechanism", bind-chroot is to replace the original filesystem's Root "/" w

"; Statistics-file "/var/named/data/named_stats.txt "; Memstatistics-file "/var/named/data/named_mem_stats.txt "; Allow-query {any ;}; Recursion yes; Dnssec-enable yes; Dnssec-validation yes; Dnssec-lookaside auto; /* Path to isc dlv key */ Bindkeys-file "/etc/named. iscdlv. key "; Managed-keys-directory "/var/named/dynamic "; }; Logging { Channel default_debug { File "data/named. run "; Severity dynamic