IPv6-ghost-ship: using TOTP as part of an AWS EC2 IPv6 address

• ipv6-ghost-ship

  8 322 0.0 Go

  Silly usage of AWS EC2 IPv6 prefixes

Good point, just had a look at the code. The NF queue will receive packets from all IPs in the /80 and they are all processed and validated by the ghost program that reads from the queue. So it could do the rate limiting there with full visibility.

https://github.com/aidansteele/ipv6-ghost-ship/blob/main/mai...

• mdns-discovery-proxy

  1 6 1.8 Python

  A Discovery Proxy for Multicast DNS-Based Service Discovery written in Python (by mkuron)

> Using ULA … the network side of our private internet space is only 6 characters

How do you fit the fixed 8-bit ULA prefix (fd00::/8) plus the 40 random bits you're supposed to use for the Global ID (per RFC 4193) into six hex characters? It should be at least 12, e.g. fdXX:XXXX:XXXX::/48.

As for remembering addresses, yes, just use (m)DNS. You can even set up an mDNS Discovery Proxy[0][1] so that devices which don't support mDNS themselves can resolve the names via regular unicast DNS.

[0] https://www.rfc-editor.org/rfc/rfc8766.html

[1] https://github.com/mkuron/mdns-discovery-proxy

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