fritex
March 12, 2023, 1:10am
2
You could try to block some of the know user-agents, bots, or combine multiple different things manually or automatically, or both, depending a bit on your plan type for your zone/domain name
Nevertheless, I am afraid we cannot always get rid of the “bad” bots, but at most cases a good portion of them we can achieve.
Helpful stuff here:
This guide is for those users of Cloudflare who experience medium-high level complexity DDoS attacks.
Continue reading if you want to accomplish the following:
Becoming more familiar with the Cloudflare Dashboard and crafting custom firewall rules.
Understanding the standard behavior of DDoS attacks and deploying effective firewall rules.
Realizing how powerful and valuable Cloudflare Firewall Rules are.
I initially thought of making a more complex guide (I will). However, I realized that no…
Here’s a list from the perishablepress.com 7G .htaccess firewall:
(360Spider|acapbot|acoonbot|ahrefs|alexibot|asterias|attackbot|backdorbot|becomebot|binlar|blackwidow|blekkobot|blexbot|blowfish|bullseye|bunnys|butterfly|careerbot|casper|checkpriv|cheesebot|cherrypick|chinaclaw|choppy|clshttp|cmsworld|copernic|copyrightcheck|cosmos|crescent|cy_cho|datacha|demon|diavol|discobot|dittospyder|dotbot|dotnetdotcom|dumbot|emailcollector|emailsiphon|emailwolf|exabot|extract|eyenetie|feedfinder|flaming|…
Good list, thanks. I have deployed that but removed python and demon (those seem to block some RSS feedreaders, YMMV).
What I also have in place is this:
(http.user_agent contains “SemrushBot”) or (http.user_agent contains “AhrefsBot”) or (http.user_agent contains “DotBot”) or (http.user_agent contains “WhatCMS”) or (http.user_agent contains “Rogerbot”) or (http.user_agent contains “trendictionbot”) or (http.user_agent contains “BLEXBot”) or (http.user_agent contains “linkfluence”) or (http.us…
There’s a list of ASN belongs to hosting providers:
Last but not the least, kindly see more by reading Cloudflare articles which contain a lot of helpful information for better understanding and usage as well in terms of Security and Protection:
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