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 malicious actor to carry out an off-path attack, rerouting any traffic originally … [Read more...] about SAD DNS — New Flaws Re-Enable DNS Cache Poisoning Attacks
cache
New Cache Poisoning Attack Lets Attackers Target CDN Protected Sites
A team of German cybersecurity researchers has discovered a new cache poisoning attack against web caching systems that could be used by an attacker to force a targeted website into delivering error pages to most of its visitors instead of legitimate content or resources.The issue affects reverse proxy cache systems like Varnish and some widely-used Content Distribution … [Read more...] about New Cache Poisoning Attack Lets Attackers Target CDN Protected Sites
How to Check DNS Cache Details in OS X Yosemite
If you are changing or are going to change DNS, and you want to see some details about what is currently cached. Step 1. Open Terminal.app Step 2. To get UDNS cache statistics insert this command to terminal sudo discoveryutil udnscachestats … [Read more...] about How to Check DNS Cache Details in OS X Yosemite