Smart DNS: Delivering the Best Subscriber Experience

This is the second in a series of blog posts that discuss how smart DNS resolvers can enhance ongoing network transformation efforts such as the transition to 5G, better integration of Wi-Fi, and new network designs that optimize the edge to improve the subscriber experience, service delivery, an...

What did DeathStalker hide between two ferns?

DeathStalker is a threat actor thats been active since at least 2012, and we exposed most of their past activities in a previous article, as well as during a GREAT Ideas conference in August 2020. The actor drew our attention in 2018 because of distinctive attack characteristics that didnt fit in...

SAD DNS — New Flaws Re-Enable DNS Cache Poisoning Attacks

A group of academics from the University of California and Tsinghua University has uncovered a series of critical security flaws that could lead to a revival of DNS cache poisoning attacks. Dubbed "SAD DNS attack" short for Side-channel AttackeD DNS, the technique makes it possible for a maliciou...

Smart DNS for the New Network Edge

This is the first in a series of blog posts that will discuss how smart DNS resolvers can enhance ongoing ISP and MNO network transformation efforts such as the transition to 5G, better integration of Wi-Fi, and new network designs that optimize the edge to improve service delivery and network...

Unimap - Scan Only Once By IP Address And Reduce Scan Times With Nmap For Large Amounts Of Data

Scan only once by IP address and reduce scan times with Nmap for large amounts of data. Unimap is an abbreviation of "Unique Nmap Scan ". The tool can run in Linux, OSX, Windows or Android Termux without problems. Why? If you have plans to run an Nmap to a whole organization you need to consideer...

Fedora: Security Advisory for unbound (FEDORA-2020-8e9b62948e)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

New DNS Vulnerability Lets Attackers Launch Large-Scale DDoS Attacks

Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service DDoS attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to...

New DNS Vulnerability Lets Attackers Launch Large-Scale DDoS Attacks

Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service DDoS attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to...

Microsoft Adds DNS-Over-HTTPS Support for Windows 10 Insiders

Microsoft has announced the first testable version of DNS-Over-HTTPS DoH support, available for its Windows 10 operating system. Support for the DoH protocol, which Microsoft first announced in November, is available in the Windows 10 Insider Preview Build 19628. This is accessible for members of...

CVE-2019-6469

An error in the EDNS Client Subnet ECS feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 - 9.11.6-S1 of BIND 9 Supported Preview Edition...

Simplifying the ISP Transition to DNS Encryption

New protocols to encrypt DNS traffic, DNS over HTTPS DoH and DNS over TLS DoT, have been a visible Internet topic for the past two years. Akamai participated in the definition of DoH/DoT standards and recently released support in the high-performance CacheServe resolver. Major features include:...

Firefox enables DNS-over-HTTPS by default (with Cloudflare) for all U.S. users

If you use the Firefox web browser, here's an important update that you need to be aware of. Starting today, Mozilla is activating the DNS-over-HTTPS security feature by default for all Firefox users in the U.S. by automatically changing their DNS server configuration in the settings. That means,...

A View into Top Level Domain (TLD) Abuse

Data science and security research teams in the carrier organization at Akamai process massive volumes of DNS queries every day to detect and track malicious activity. The data is live-streamed from DNS resolvers deployed in diverse service provider networks in every region of the world. Provider...

CVE-2019-6469

An error in the EDNS Client Subnet ECS feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 - 9.11.6-S1 of BIND 9 Supported Preview Edition...

CVE-2019-6469

An error in the EDNS Client Subnet ECS feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 - 9.11.6-S1 of BIND 9 Supported Preview Edition...

CVE-2019-6469

CVE-2019-6469 concerns an error in the EDNS Client Subnet (ECS) feature in BIND’s recursive resolvers. A malformed RRSIG in a response can trigger an assertion failure, causing BIND to exit. Affected versions are BIND 9.10.5-S1 through 9.11.6-S1 (BIND 9 Supported Preview Edition). The issue is ti...

CVE-2019-6469 BIND Supported Preview Edition can exit with an assertion failure if ECS is in use

An error in the EDNS Client Subnet ECS feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 - 9.11.6-S1 of BIND 9 Supported Preview Edition...

CVE-2019-6015

FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave as open resolvers. If this vulnerability is exploited, FON routers may be leveraged for DNS amplification attacks to some other entities...

CVE-2019-6015

FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave as open resolvers. If this vulnerability is exploited, FON routers may be leveraged for DNS amplification attacks to some other entities...

CVE-2019-6015

FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave as open resolvers. If this vulnerability is exploited, FON routers may be leveraged for DNS amplification attacks to some other entities...