![]() ![]() In the past, we’ve struggled to verify bots that did not crawl the web at a large scale. The response options are flexible and directly integrate with our Workers platform. You may just want to keep tabs on a particular bot that’s fine. This means you’ll have performant, secure, and scalable bot verification.īuild a collection of Friendly Bots and share them between your sites, creating custom policies that allow, rate limit, or log this type of traffic. Cloudflare’s anycast network allows us to run all of these mechanisms at each one of our data centers. You can point us toward a public IP list, give us a hostname suffix, or even select other methods like machine learning. Here’s how it works: in the Cloudflare dashboard, tell us about your bot. Our new feature, Friendly Bots, allows you to instantly auto-validate any traffic with the help of IP lists, rDNS, and more. They’re friendly.Īnd we’ve come up with a really cool way to help you manage them. They deserve to sit in a state between bad and verified. ![]() The bots described above, especially common services, are not bad. But you still need a way to allowlist these services. Lastly, if you work at a startup, your company may run automated services that haven’t reached the scale we require. You may want to allow this traffic on your site without affecting other Cloudflare customers. Perhaps Cloudflare has labeled a particular proxy as automated, possibly because a mix of humans and bots use the proxy to access the Internet. Imagine if someone else’s bot could waltz into your infrastructure at any time! It’s your bot (and to you, it might be good!), but our other users might feel differently. Comply with Internet standards like robots.txt.It doesn’t make sense for us to verify this bot, because it doesn’t meet any of our criteria: We keep our ears open (and our eyes on Twitter), so we know that folks want their own “personal” version of Verified Bots.įor example: let’s say you built your own monitoring service that crawls a few of your personal websites. What if my bot isn’t a huge global service? But as mentioned before, we often have to reserve this process for trusted partners and larger bots, even though plenty of our users still need their bots allowlisted. We usually approve Verified Bot requests within a few weeks, after taking some time to quality test and ensure everything is safe. But we need enough traffic (thousands of requests) to detect a usable pattern. If the previous validation methods don’t work for you, there’s a good chance we can use ML to spot your bot. Cloudflare sees 32+ million requests every second, and we’ve been able to feed those requests into a model that can accurately profile good bots. ![]() Note that we can’t always do this - traffic becomes easier to spoof - but we’re often confident enough to use this as a validation method. In some cases, we can verify bots that consistently come from the same network (known as an “ASN”) with the same user agent. In other words: give us a hostname suffix, and in many cases we’ll be able to validate your bot’s identity! rDNS works in the reverse, allowing us to take an IP address and deduce the domain name associated with it. You’ve heard of DNS: the phone book of the Internet, which helps map domain names to IP addresses. We want to avoid accidentally allowing other traffic. If you provide a shared IP address (like one used by a proxy service), our systems will detect risk and refuse to cooperate. These IPs must be publicly documented and exclusive to your bot. This doesn’t have to be a static list - you can give us a dynamic page that changes - just provide us with the URL, and we’ll fetch updates every day. Send us a list of IP addresses used by your bot. Then, we ask for information that will help us validate your bot. We ask for some standard bits of information: your bot’s name, its public documentation, and its user agent (or regex). Anyone can submit a bot, but we prefer that bot operators complete the form to provide us with the information we need. We often find good bots via our public form. So today we’re announcing a solution: Friendly Bots. Unfortunately, new bots are popping up faster than we can verify them. Our customers can choose to allowlist any bot that is verified. At Cloudflare, we manually “verify” good bots, so they don’t get blocked. These include Google’s search crawler and Stripe’s payment bot. Most of us conjure up memories of CAPTCHAs, stolen passwords, or some other pain caused by bad bots.īut the truth is, there are plenty of well-behaved bots on the Internet. When someone mentions bots on the Internet, what’s your first reaction? This post is also available in 简体中文 and 日本語. ![]()
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