Did you see the update to the firewall analytics? Finally some useful grouping.

Alright, who else has been staring at the raw, unadulterated log stream of Cloudflare's firewall events for the past two years, manually trying to correlate IPs and ASNs like some kind of medieval scribe? 🙃

The recent update to the **Firewall Analytics** page, specifically the "Group by" functionality, is the first thing they've shipped in that section that feels like it was built for humans who actually need to *act* on the data, not just admire the sheer volume of attacks. Before this, you had a firehose. Now you have… well, a slightly more organized firehose, but with labels! The ability to group by **Action Taken**, **Host**, **Country**, **IP**, and **Rule ID** changes the game for pinpointing cost-driving noise.

Let me give you a concrete example from my own bill-skirting obsession. I was seeing huge volumes of requests hitting a staging subdomain that didn't need the same WAF paranoia as production. Grouping by **Host** instantly showed me 90% of the "challenge" actions were for `staging.myapp.com`. One Managed Rules tweak later, and I've cut down pointless JavaScript challenges (and their miniscule, but non-zero, compute overhead) by a massive margin.

But the real FinOps win is in reserved instance planning for your origin. Group by **Action Taken (Block)** and then by **Country**. Suddenly you see a pattern: 85% of blocked requests are from two specific ASNs in a region you don't serve. Now you can make a data-driven decision about geo-blocking at the edge, **before** that traffic even touches your expensive EC2 or GCE instances. You're not just securing; you're pre-emptively saving on downstream bandwidth and compute.

The script kiddie in me had to play with the Network panel to see how they're doing it. It's a simple but powerful aggregation API call. For the terminally curious, you can approximate the new grouping logic in the GraphQL API like this:

```graphql
{
viewer {
zones(filter: { zoneTag: "YOUR_ZONE_ID" }) {
firewallEventsAdaptiveGroups(
filter: $filter,
limit: 10,
orderBy: [count_DESC],
groupBy: [action, clientCountryName] # This is the magic
) {
count
dimensions {
action
clientCountryName
}
}
}
}
}
```

Is it perfect? No. I'd kill for a **group by ASN** directly in the UI, and the date range picker still feels a bit sticky. But it's a massive leap from where we were. It turns reactive alert-watching into proactive policy-making.

So, spill it: what's the most *expensive* traffic pattern you've uncovered using the new grouping? Found a rule you're paying to process a million times a day that's actually redundant? Let's talk savings.

— your cloud bill is too high