I hereby claim:
- I am squarooticus on github.
- I am krose (https://keybase.io/krose) on keybase.
- I have a public key whose fingerprint is 5399 C516 1CA9 B580 44FF 97ED E5A7 3A55 3339 05F5
To claim this, I am signing this object:
Kyle Rose squarooticus
squarooticus
/ dhcpd.conf
Created
October 24, 2025 13:03
Assign the MAC address as part of dynamic hostname to distinguish them
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| set hwstr = concat ( | |
| suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,1,1))),2), "-", | |
| suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,2,1))),2), "-", | |
| suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,3,1))),2), "-", | |
| suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,4,1))),2), "-", | |
| suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,5,1))),2), "-", | |
| suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,6,1))),2) | |
| ); | |
| if not (exists host-name) or not (option host-name ~~ "^[a-z0-9-]+$") { |
squarooticus
/ prefertmpaddr.c
Created
August 4, 2022 21:24
Use with LD_PRELOAD to prefer temporary addresses in specific processes
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <sys/types.h> | |
| #include <linux/in6.h> | |
| #include <netinet/in.h> | |
| #include <sys/socket.h> | |
| #include <arpa/inet.h> | |
| #include <errno.h> | |
| #include <dlfcn.h> |
squarooticus
/ nftables_mdns.conf
Last active
January 31, 2024 06:44
Use nftables to repeat mDNS/Bonjour packets across two different interfaces. Works for Google Cast/Chromecast groups!
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| table ip mangle { | |
| chain prerouting { | |
| type filter hook prerouting priority mangle; policy accept; | |
| ip daddr 224.0.0.251 iif eth3 ip saddr set 192.168.2.1 dup to 224.0.0.251 device eth2 notrack | |
| ip daddr 224.0.0.251 iif eth2 ip saddr set 192.168.3.1 dup to 224.0.0.251 device eth3 notrack | |
| } | |
| } | |
| table ip6 mangle { | |
| chain prerouting { |