Category: DNS
Everything filed under DNS.
"Bizarre" DNS Hacks For Fun And, Um…, Fun
I've been (slowly) making my way through FOSDEM 23 presentations and caught up to Peter Lowe 's " Bizarre and Unusual Uses of DNS • Rule 53: If you can think of it, someone's done it in the DNS " talk. DNS oddities are items I collect…
Packet Maze: Solving a CyberDefenders PCAP Puzzle with R, Zeek, and tshark
It was a rainy weekend in southern Maine and I really didn't feel like doing chores, so I was skimming through RSS feeds and noticed a link to a PacketMaze challenge in the latest This Week In 4n6…
Two New Ways to Make DNS over HTTPS Queries in R
A fair bit of time ago the {gdns} package made its way to CRAN to give R users the ability to use Google's (at that time) nascent support for DNS over HTTPS (DoH). A bit later on Cloudflare also provided a global DoH endpoint and that…
RIPE 76 Selected Talks
Do not read anything more into the order than the end-number of the "Main URL" since this was auto-generated from a script that processed my Firefox tab…
Nykolas Z Updates Global Alternative DNS Speed Test to Include Cloudflare (1.1.1.1)
A while back, Medium blogger 'Nykolas Z' posted results from a globally distributed DNS resolver test to find the speediest provider (NOTE: speed is not the only consideration when choosing an alternative DNS provider). While the test…
More Options For Querying DNS From R with 1.1.1.1
You have to have been living under a rock to not know about Cloudflare's new 1.1.1.1 DNS offering. I won't go into "privacy", "security" or "speed" concepts in this post since that's a pretty huge topic to distill for folks given the, now,…
Clandestine DNS lookups with gdns
Google recently announced their DNS-over-HTTPS API, which "enhances privacy and security between a client and a recursive resolver, and complements DNSSEC to provide end-to-end authenticated DNS lookups". The REST API they provided was…
iptools 0.3.0 ("Violet Packet") Now on CRAN with Windows Support!
What can you do with it? One thing you can do is take a vector of domain names and turn them into IP…
New R Package - ipapi (IP/Domain Geolocation)
I noticed that the @rOpenSci folks had an interface to ip-api.com on their ToDo list so I whipped up a small R package to fill said…
Reverse IP Address Lookups With R (From Simple To Bulk/Asynchronous)
R lacks some of the more "utilitarian" features found in other scripting languages that were/are more geared—at least initially—towards systems administration. One of the most frustrating missing pieces for security data scientists is the…