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16%
New Techniques Predict Malicious Domain Names
29.09.2014
Home »  News  » 
 
-register it at a later date.   Observing DNS queries: Certain specific patterns of DNS queries indicate the presence of an attacker searching for an available name. Connections between malicious domains: A domain
16%
Flaws in the LTE Mobile Communication Standard
02.07.2018
Home »  News  » 
 
websites a user visited. The team also conducted the ALTER attack, which allowed them to modify the message payload. “As a proof-of-concept demonstration, we show how an active attacker can redirect DNS
16%
Obtain certificates with acme.sh
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Stuart Miles, 123RF.com
of the certificate. Different Challenge Types The client proves control over a domain when it responds appropriately to a challenge sent by the server. The HTTP-01 and DNS-01 challenges have been part of the ACME
16%
Secure email communication
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by Simon Moog on Unsplash
in the documentation for the Exim and Postfix mail transfer agents. Probably the most important step is to set up a Sender Policy Framework (SPF) record in the domain name system (DNS) that lets admins specify
16%
Web and Mail Servers with IPv6
13.12.2011
Home »  Articles  » 
 
. Preparing DNS Before you start to configure your new IPv6 addresses on the server, you need to make a few preparations, including creating valid DNS reverse entries for the IPv6 addresses you will be using
16%
Compromised Linux Servers Fall into Massive Botnet
30.09.2015
Home »  News  » 
 
SYN and DNS traffic to snuff out victim web servers. So far, the victims have been mostly in Asia, and many are companies concentrated in the gaming sector. At the core of the attack is a malware
16%
Integrating a Linux system with Active Directory
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Francesco Gallarotti on Unsplash
create an account that has sufficient access rights to add a machine to a domain, set up Active Directory and DNS services, and add a user to log on to the Ubuntu machine. The user account
16%
Exploring dhcpy6d, a DHCP server for IPv6 networks
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Paul Herbert, 123RF.com
don't just hand out addresses. Unless you're using some special extensions or add-on services, the native auto-configuration features of IPv6 won't configure important settings such as the DNS server
16%
Neglected IPv6 Features
06.08.2012
Home »  Articles  » 
 
. Additionally, it can use certain flags in the RA to control the DNS configurations of the hosts. DNS and LLMNR Applications typically use an RFC 3484 [Default Address Selection for Internet Protocol version 6
16%
Certificate management with FreeIPA and Dogtag
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by Oscar Sutton on Unsplash
be found in the AppStream repository of every EL8 distribution. The IPA server must have a static IP address. Its Domain Name System (DNS) name must be configured correctly, and DNS resolution on the LAN

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