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How to let LinkSweep scan your Imperva-protected site

Your site is behind Imperva (formerly Incapsula), which is blocking our scanner. Imperva is a security service many sites use to stop bad traffic — we just need to tell it that LinkSweep is safe. This takes about 5 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 Imperva

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 in the Imperva Cloud dashboard

  1. Log in to my.imperva.com and select the site you want to scan.
  2. Add the IP to your Whitelist:
    1. Left sidebar → Policies → Access Control.
    2. Scroll to Whitelist IPs → click Add IP.
    3. IP: 185.31.243.206, comment: LinkSweep monitoring.
    4. Save.
  3. Allow us through Bot Protection:
    1. Go to Policies → Bot Access Control (sometimes under Advanced Bot Protection).
    2. Add a rule with User-Agent matching LinkSweep/1.0 → action: Allow. Alternatively add to the Good Bots list.
  4. If you use custom Security rules: make sure none of them block the IP — Imperva policies are evaluated in order, and the first match wins.

After you've allowlisted us

  1. Imperva changes usually apply within 1-2 minutes.
  2. In LinkSweep, open the site and click Scan Now.
  3. If it still fails after 10 minutes, contact support.

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 Imperva. Please add them to our Imperva allowlist: - IP: 185.31.243.206 - User-Agent: Mozilla/5.0 (compatible; LinkSweep/1.0; +https://linksweep.eu/bot) Steps (5 min): 1. Imperva Cloud dashboard → our site → Policies → Access Control 2. Whitelist IPs → Add IP 185.31.243.206 3. Policies → Bot Access Control → add LinkSweep/1.0 User-Agent as "Good Bot" or Allow Expected traffic: up to a few hundred requests per scheduled scan. They respect robots.txt. Full guide: https://linksweep.eu/docs/allowlist/imperva Please let me know once done. Thanks!
Stuck? Contact support.