A firewall tuned to your site,
not a generic rule set that blocks your own traffic
A default firewall rule set either lets obvious scrapers and credential-stuffing bots through or blocks a legitimate customer behind a corporate VPN, and most sites we audit are running one extreme or the other. We configure Cloudflare's WAF and bot rules against your actual traffic, so the line is drawn where it should be for your business.
What it is
A web application firewall inspects incoming requests against known attack patterns, SQL injection attempts, bad input, suspicious headers, before they reach your application, and bot-management rules separate automated traffic (scrapers, credential-stuffing bots, content-theft crawlers) from real human visitors and the search-engine crawlers you actually want visiting. The configuration work is where this either protects you or quietly breaks your own traffic: a WAF with generic rules is as likely to block a legitimate customer on an unusual network as it is to stop a real attack.
When you need it (and when you do not)
You need this for any public-facing site or API, since the baseline internet traffic for any live site includes scanning bots, scrapers and occasional credential-stuffing attempts against login forms, regardless of how small the business is. It matters more once you have pricing or catalog data worth scraping, a login form worth attacking, or you have already seen unusual spikes in server load that look like automated traffic rather than real visitors.
You do not need custom, hand-tuned rules on day one if your site runs behind Cloudflare’s default settings with reasonable baseline protection already on; the value of this engagement is in the tuning, catching the specific scrapers hitting your catalog or the credential-stuffing pattern hitting your login, not in switching on a firewall that was already partially on by default.
How we build it
We review your actual traffic first, what real users and legitimate bots (search crawlers, uptime monitors, ad platform verification bots) look like on your site, before writing a single rule, because the goal is a configuration that blocks the right traffic, not the most traffic. Cloudflare’s managed rule sets cover the common attack patterns (the OWASP-style basics) as a baseline, and we layer custom rules on top for your specific risks: aggressive scraping of pricing pages, repeated failed logins from a narrow set of IPs, unusual request patterns against your checkout.
Bot-management settings are configured to challenge or block automated traffic while explicitly allowing the crawlers and tools you actually want, since a firewall that accidentally blocks Googlebot costs you SEO traffic for no security benefit. Before anything goes fully live, we run a testing pass against real user and crawler traffic to confirm nothing legitimate gets caught, and we monitor the first weeks closely for anything that looks like a false positive.
What to watch
A WAF is not “set and forget”: attack patterns and legitimate bot behavior both change, and a rule set tuned a year ago can start misfiring as your traffic mix shifts, so a periodic review is worth more than a one-time configuration. This protects your application layer; it does not replace the checkout-specific fraud scoring or rate limiting a payment flow needs on top of general site protection. Over-aggressive bot rules are a real conversion and SEO cost if they are not tested carefully, which is why testing against real traffic is part of the build, not an afterthought.
Price and timeline
| Option | Price | What it covers | Timeline |
|---|---|---|---|
| MVP | from $800 | Managed WAF rules, bot management tuned to your traffic, testing pass | 3 to 7 days |
| Production | from $2,000 | Custom rules for specific threats, monitoring dashboard, periodic review cadence | 1 to 2 weeks |
Related
This pairs with rate limiting and abuse protection for the application layer behind it, and with fraud prevention for checkout for payment-specific risk. It is part of development and setup-integrations. This layer sits in front of the infrastructure covered in secure Telegram Mini App infrastructure and was part of the fixes in the Thailand D2C rebuild.
Ready to see what is currently hitting your site unfiltered? Get in touch and we will check your traffic first.
FAQ
How much does WAF and bot protection setup cost?
From $800 for a standard Cloudflare WAF and bot-management configuration tuned to your site; a custom rule set for an unusual traffic pattern or API adds time.
How long does it take?
3 to 7 days, including a short monitoring period after rules go live to catch any real traffic getting blocked.
Will this block our own ad or analytics traffic?
That is exactly what we test for before going live; rules are configured and verified against your actual traffic sources, including ad platform crawlers and your own monitoring tools, not switched on blind.
Do we need Cloudflare specifically?
Cloudflare is our default because it is already common in the stacks we build on and has strong bot-management tooling; we configure an equivalent on another CDN or WAF if that is already your setup.
Does this replace the fraud and rate-limiting layers in our checkout?
No, it complements them. The WAF sits in front of your whole site against broad attack patterns and bots; checkout-specific fraud scoring and endpoint rate limits are a separate, more targeted layer.