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Library / Practices / pat.egress-ip-pretest

Test the site before you build on it

CategoryreliabilityManual1.3EvidencereportedAttributed to@_MaxBlade

ProblemBots reach the internet through shared static datacentre egress addresses, and some consumer sites block or challenge on that basis alone, sometimes after a correct login.

TechniqueBefore designing a workflow around a site, have the Bot attempt it once and observe whether it is challenged. If your own company filters by source IP, request the current egress ranges before rollout.

Why it worksThe block is independent of anything the Bot does, so no amount of prompting fixes it.

When to useGrocery, retail checkout, social platforms, anything with aggressive bot detection.

reliabilityhigh confidencex.com/_MaxBlade/status/2087254181899882552 ↗pat.egress-ip-pretest

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