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How to let LinkSweep scan your Fastly-protected site

Your site is served through Fastly (with its Next-Gen WAF or Bot Management features blocking our scanner). We just need to tell Fastly that LinkSweep is safe. This takes about 5-10 minutes.

Don't manage your site's security yourself?

Scroll to the bottom — there's a ready-to-send message you can forward to whoever runs your website.

What to tell Fastly

LinkSweep's IP address
185.31.243.206
LinkSweep's identifier
Mozilla/5.0 (compatible; LinkSweep/1.0; +https://linksweep.eu/bot)
How much traffic
Up to a few hundred requests per scan, on whatever schedule you've set.

Step-by-step (Next-Gen WAF / Signal Sciences)

  1. Log in to dashboard.signalsciences.net (Next-Gen WAF) or manage.fastly.com (classic CDN console) and pick the site / corp.
  2. Add an allowlist entry:
    1. Site → Rules → Site rules (or Corp rules if you want it global).
    2. Create a new rule: When IP equals 185.31.243.206 then Allow.
    3. Alternatively use Lists → create an IP list "LinkSweep" → add the IP → reference the list in an Allow rule.
    4. Save and enable.
  3. If you use Fastly's bot-management / templated rules: Site → Rules → check for any rules with the Templated rule: Bot Protection kind. Add the IP to their bypass list, or create a higher-priority Allow rule.
  4. VCL customers (rare): in your custom VCL, add an early-exit for client.ip == "185.31.243.206" before any deny/synthetic-response logic. Activate a new version after editing.

After you've allowlisted us

  1. Fastly rule changes are live globally within ~30 seconds.
  2. In LinkSweep, open the site and click Scan Now.
  3. Check Events in the Next-Gen WAF console to confirm requests from 185.31.243.206 are now Allowed.

Message to forward to your web team

Copy and paste this into an email.

Hi, We're using LinkSweep (https://linksweep.eu) to monitor our website's health. Their crawler is being blocked by Fastly. Please add them to our Fastly allowlist: - IP: 185.31.243.206 - User-Agent: Mozilla/5.0 (compatible; LinkSweep/1.0; +https://linksweep.eu/bot) Steps (5-10 min): 1. Signal Sciences / Fastly Next-Gen WAF dashboard → our site → Rules 2. Add a Site rule: When "IP equals 185.31.243.206" then Allow 3. If we use templated bot-protection rules, add the IP to their bypass list too Expected traffic: up to a few hundred requests per scheduled scan. They respect robots.txt. Full guide: https://linksweep.eu/docs/allowlist/fastly Please let me know once done. Thanks!
Stuck? Contact support and we'll help you through it.