Top all-time · #8214
FastNetMon Official Site
Company blog · fastnetmon.comsecuritysystems
FastNetMon Official Site is the company blog at fastnetmon.com, writing about security and systems. Since 2016, 10 different Hacker News readers have linked it 14 times, most often “FastNetMon DDoS detection tool”. It is still writing: the last post was on 2026-10-28, and you can follow it by feed.
Too few sampled comments (4) to say how often HN recommends it.?
Why HN links it
HN readers link FastNetMon as a DDoS detection tool and point to its docs and Debian package. Comments mention it as a product to look at, a setup-documentation source, and a usage example for ClickHouse.
Summarised by Claude from a sample of 4 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
High-performance DDoS Security, Detection & Visibility. Support BGP FlowSpec, RTBH & sFlow for real-time security without extra hardware. Deploy on any cloud.
Most-linked posts?
- FastNetMon DDoS detection tool3 people · 3 mentions · first linked 2016-09-23
- Using FastNetMon Advanced with FerretDB and PostgreSQL Instead of MongoDB2 people · 2 mentions · first linked 2023-03-24
What Hacker News says?
Take a look at FastNetmon: https://fastnetmon.com/
Comment linking /
on “Akamai takes Brian Krebs’ site off its servers after ‘record’ cyberattack”Submitted Traffic filtering using NIC capabilities on wire speed (10GE, 14Mpps) (2017) as a story · 3 points
HN discussionIs there any documentation how to set this up fast and reliably on an existing Debian server? The only thing I could find was this: https://fastnetmon.com/wp-content/uploads/2017/03/FastNetMon...
Comment linking /wp-content/uploads/2017/03/FastNetMon-Advanced-install-guide-v1.pdf
on “Fastnetmon DDoS analyzer now available as an official Debian package”Submitted Open source DDoS detection tool with BGP support as a story · 3 points
HN discussionI wonder if https://fastnetmon.com/ and DOTS [1] are roughly the same thing? [1] https://datatracker.ietf.org/wg/dots/about/
Comment linking /
on “Fastnetmon DDoS analyzer now available as an official Debian package”Submitted SFlow and NetFlow implementation details from real field experience as a story · 2 points
HN discussionBtw, I recommend to use project's site, it's much times more informative than GitHub repository: https://fastnetmon.com
Comment linking /
on “FastNetMon – very fast DDoS analyzer”Submitted We are under attack (of a DDoS) as a story · 1 points
HN discussionIt's correct only partially :) Recently I released support for host groups (custom entities with different thresholds): https://fastnetmon.com/2015/07/07/per-subnet-thresholds/ As next step I could offer custom rules for mitigation depending on host group name.
Comment linking /2015/07/07/per-subnet-thresholds/
on “FastNetMon – very fast DDoS analyzer”Submitted Using FastNetMon Advanced with FerretDB and PostgreSQL Instead of MongoDB as a story · 1 points
HN discussionThank you for great question! Unfortunately, false positive alerts are pretty common problem. FastNetMon is threshold / baseline based DDoS detection engine and it requires pretty careful baseline calculation. Typically, we recommend enabling InfluxDB metrics export for ~1 week (to cover peak times in your region), you can do it this way: https://fastnetmon.com/docs/influxdb_integration/ After that, you can make que…
Comment linking /docs/influxdb_integration/
on “Open source DDoS detection tool with BGP support”Submitted FastNetMon DDoS detection tool as a story · 1 points
HN discussionGreat feedback, thank you. We have customers in many countries around the World and in many cases even medium sized businesses cannot afford buying new equipment just to make some random software happy about CPU flags. In multiple countries import tax may reach 50% on top of equipment cost. When multiplied by exceptionally weak local currency even medium level server will cost like racing car. Old equipment without…
Comment linking /docs-fnm-advanced/using-fastnetmon-advanced-with-ferretdb-and-postgresql-instead-of-mongodb/
on “Please do not require AVX support for your software”I think ClickHouse should fit. There are many examples of its usage at the edge: https://clickhouse.com/docs/en/about-us/adopters E.g., FastNetMon: https://fastnetmon.com/docs-fnm-advanced/fastnetmon-advanced... PS. I'm the author of ClickHouse.
Comment linking /docs-fnm-advanced/fastnetmon-advanced-traffic-persistency/
on “Ask HN: What TSDB database do you use on embedded Linux systems?”