samboy/MaraDNS on Hacker News

…“optimizing out” the code using uninitialized memory as an entropy pool. The full test is here: https://github.com/samboy/MaraDNS/tree/master/deadwood-githu... In summary: On Ubuntu, and in clang at higher levels of optimization, the…

comment by strenholme · 2026-09-25 · in AMD's random number generator can't generate a 0?

…is nay to impossible to exploit, using code which hasn’t even been able to compile since 2022”. [1] https://github.com/samboy/MaraDNS/tree/master/deadwood-githu... and https://github.com/samboy/MaraDNS/tree/master/deadwood-githu...

comment by strenholme · 2026-09-22 · in AMD's random number generator can't generate a 0?

…for exploits” MaraDNS is a worthwhile target; two people have been auditing it this year, in fact: https://github.com/samboy/MaraDNS/pull/137 https://github.com/samboy/MaraDNS/security/advisories/GHSA-c...

comment by strenholme · 2026-05-13 · in CERT is releasing six CVEs for serious security vulnerabilities in dnsmasq

…I assume lua_number can pass 32 bits: https://github.com/samboy/LUAlibs/blob/master/rg32.c#L45 https://github.com/samboy/MaraDNS/blob/master/coLunacyDNS/lu... https://github.com/samboy/lunacy/blob/master/src/lmathlib.c#... But it works…

comment by strenholme · 2026-05-13 · in CERT is releasing six CVEs for serious security vulnerabilities in dnsmasq

…Lua in 2014? Seriously, do you even know how to use “git log”? I added Lua to MaraDNS in 2020: https://github.com/samboy/MaraDNS/commit/2e154c163a465ee7ead... I patched it on my own in 2021: https://github.com/samboy/MaraDNS/commit/efddb3a9…

comment by strenholme · 2026-05-13 · in CERT is releasing six CVEs for serious security vulnerabilities in dnsmasq

…real in depth security audits. [1] https://samboy.github.io/MaraDNS/webpage/security.html [2] https://github.com/samboy/MaraDNS/discussions/136 [3] https://github.com/samboy/MaraDNS/pull/137

comment by strenholme · 2026-05-12 · in CERT is releasing six CVEs for serious security vulnerabilities in dnsmasq

https://en.wikipedia.org/wiki/MaraDNS https://maradns.samiam.org/ https://github.com/samboy/MaraDNS for really being lean&mean enough to run it effortlessly on something like (even older) Raspberry Pis or similar SBCs, or routers running…

comment by LargoLasskhyfv · 2024-06-15 · in Ask HN: Any software specific to "SHTF DNS cache?"

Doesn't support EDNS and doesn't implement truncated responses the way the RFCs specify it seems What is it about DNS that causes devs to build servers / libraries that incorrectly implement functionality purely based on their own opinion…

comment by bogantech · 2023-09-03 · in MaraDNS: A small open-source DNS server

Still accessible here: < http://web.archive.org/web/20201029102523/https://github.com... >

comment by teddyh · 2023-09-03 · in MaraDNS: A small open-source DNS server

…to no longer use egrep—a non-trivial task. Here’s the amount of hassle breaking egrep has given me: https://github.com/samboy/MaraDNS/commit/afc9d1800f3a641bdf1... This is just one open source project. I’ve seen fgrep in use for well over…

comment by strenholme · 2022-10-13 · in We are stuck with egrep and fgrep (unless you like beating people)

…the desired kind of map. After about a month, I had over 180 map seeds meeting my criteria. [1] https://github.com/samboy/MaraDNS/tree/master/deadwood-githu... for the record

comment by strenholme · 2021-12-27 · in Lua: Good, Bad, and Ugly Parts (2012)

…in a Dockerfile and the scripts the Dockerfile imports in to the testing container. In my case: https://github.com/samboy/MaraDNS/tree/master/Docker-stuff Bug reports and support requests are handled using Github, mainly because that’s…

comment by strenholme · 2021-02-24 · in GitHub with degraded performance for Git Operations

…And the script to do the name-to-IP conversion is one of the examples included in the docs: https://github.com/samboy/MaraDNS/blob/master/deadwood-githu...

comment by strenholme · 2021-02-21 · in Please do not put IP addresses into DNS MX records

…end return {co1Type = "notThere"} end One will need coLunacyDNS to run this script: git clone https://github.com/samboy/MaraDNS cd MaraDNS/deadwood-github/tools/coLunacyDNS make sudo cp coLunacyDNS /usr/local/bin Full documentation for…

comment by strenholme · 2021-02-21 · in Please do not put IP addresses into DNS MX records

…don’t know when I’ll be able to get around to fixing this without getting paid for my work.” E.g. https://github.com/samboy/MaraDNS/issues/84 I can see why a lot of people don’t do that: It’s a little rude, and there’s a small but…

comment by strenholme · 2021-01-18 · in GitHub Stale Bots – A False Economy

…Here is a full explanation of the finite state machine, along with the actual embedded code: https://github.com/samboy/MaraDNS/blob/master/deadwood-githu...

comment by strenholme · 2021-01-01 · in State machines are wonderful tools

…cases in the linked article. The IPv6 test cases in the automated test for the parser are at: https://github.com/samboy/MaraDNS/blob/master/deadwood-githu... (The final three lines are supposed to return errors)

comment by strenholme · 2020-12-26 · in Fun with IP address parsing

…to use. The script to take that blacklist and convert it in to a MaraDNS compatible format is here: https://github.com/samboy/MaraDNS/blob/master/deadwood-githu... There are ways to make the memory footprint of the blacklist smaller, but…

comment by strenholme · 2020-05-04 · in Ad blocking with Raspberry Pi and Pi-hole