Re:Ask HN: How do you protect your Mailserver from DDoS Atta...
by Wronnay on Friday August 14, 2020 @03:33AM
(#24154939)
Cloudflare Spectrum seems to be for companies or good paying customers - my budget is limited as this is a personal mailserver ...
The article about iptables rules looks very promising :)
Some of the simpler DDoS attacks can be mitigated by kernel settings and iptables (see e.g. https://javapipe.com/blog/iptables-ddos-protection/), but that won't help you much against larger attacks.