Monitoring DNS queries
Something that does not cost much to monitor and can save us from some scares may be to control that a DNS server fulfills its function and can resolve DNS queries. That and also ensuring that our importing FQDNs exist,
Tag: DNS
Collecting the LOGs from our DNS and DHCP server in Elasticsearch and visualizing them in Grafana
How unoriginal I am for short titles… Well, if you have your own DNS server or DHCP server, This is your post 😉 We're not really going to get it through logs, we will do this by auditing your traffic 😉 We will audit the requests generated by the DNS service, or DHCP to view it in Grafana!
A Podcast for IT – Auditing the Active Directory
This week in A Podcast for YOU we have something that may be to everyone's liking, or that was a bit of the intention, Let's try to collect some tips, good practices and above all try to know and audit the status of our Active Directory,
Put a Honeypot in your life
I think that today there are not many who do not know what a Honeypot is, and how good it can be for us to have it implemented in our infrastructures. The idea of these gadgets as we know is to alert and detect attacks or curious people on the network; Well, in this post, we will also see how to integrate it with Centreon.
Monitoring DKIM records, SPF and DMARC from Centreon
Well, Well, Well… We're back with Centreon! Today a post to keep track of public records related to the email service. So if we don't want to have mail problems, we will make sure that the DKIM record, SPF and DMARC exist in our domain.
A Podcast for IT – DNS, DHCP and NTP from scratch
¡Oh! A back to the basics! As promised, we started a series of podcasts that will be and will start from the base to get to know certain IT services, Today it's time for the pillars: DNS, DHCP and NTP.
Checking if a public domain is correct
These days you can try a great tool that performs some 100 Tests on our public domain, Everyone knows that it is very important to have the public domain well configured, to avoid problems especially with DNS resolution to it or any 'rare' problem’ Email. This test can be done with DNSreport from DNSstuff.com, A page we should never forget!
Change DNS servers on the stations using a script
This is useful when we are performing a server migration, in the event that we are going to change the IP address DNS servers or the server DNS server, we must change its DNS servers in all positions. The posts may be configured with a dynamic IP address so the change is very simple and we will change it only on the DHCP server. But.. What happens if our posts have a fixed IP address? That we should change the 'Preferred DNS Server'’ and the 'Alternate DNS Server'’ or manually or with the help of a simple script that we can put in the login of the posts through a GPO.
Setting up a DNS server – Domain Name Service – Domain Name Server
DNS is the service that offers us computer/domain name resolution. Below we will look at the installation and configuration process for Windows 2000 o Windows 2003.
