How dangerous can be an open DNS resolver

    Almost every IT specialist knows that open recursive DNS server can be very dangerous but I’ve never seen any example what happens and how fast it will be utilized in inappropriate way. These were interesting questions for me and I decided to make a small study and opened my DNS server for everybody in Internet. …

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How to change MAC of a virtual machine to MAC which belongs to reserved VmWare MACs

Sometimes it is necessary to change MAC address of a virtual machine and in most cases there is no any issue except MAC-addresses which belong to reserved VmWare MACs. In this situation ESXi shows such error:

 To fix the problem you can use the algorithm described below (all information about it you can find in this …

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Creating perl scripts in Infoblox Network Automation (NetMRI)

Creating scripts in Network Automation is a very simple task. But these scripts can be very powerful and useful.Look at my presentation and you will know how to create Perl-scripts, to use internal objects, to interact with network devices and to sync data with Infoblox DDI solution.

Управление RIPE из единой системы IPAM (управление адресным пространством)

    Вопрос правильной передачи информации в RIPE часто стоит перед операторами связи. При использовании стандартных систем учета адресного пространства, таких как таблицы Excel, текстовые файлы, самописные базы, регистрация изменений в RIPE производится вручную. Ручная работа по внесению изменений и отправки их регистратору часто приводит к ошибкам и необходимости её повторять.     Компания Infoblox, бессменный лидер на рынке DDI (DNS, DHCP, IPAM), …

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