TIL Sudo need hostname lookups

- https://www.eigenmagic.com/2025/01/14/banning-bots-with-nginx-maps/
- https://idiallo.com/blog/zipbomb-protection
- https://fabulous.systems/posts/2025/05/anubis-saved-our-websites-from-a-ddos-attack/
- https://www.eigenmagic.com/2025/01/14/banning-bots-with-nginx-maps/

- https://my.f5.com/s/article/K000135744
- https://janine.pcfe.net/posts/2022-10-10-istio-envoyfilter-strip-headers/
- https://www.envoyproxy.io/docs/envoy/latest/configuration/http/http_conn_man/header_sanitizing

disable oom group cgroup on kubernetes way

additional:

• https://www.reddit.com/r/devops/comments/15eb5e0/saved_more_than_30_compute_cost_by_switching_to/