The latest articles on DEV Community by Oliver Christen (@ochriste). https://dev.to/ochriste https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3002927%2F2f4dc5c8-8f13-4fd6-8949-9e6f5467fe3a.png https://dev.to/ochriste en Oliver Christen Wed, 30 Jul 2025 13:24:33 +0000 https://dev.to/camptocamp-geo/postgres-psql-on-windows-sl-syscall-error-eof-detected-expected-authentication-request-from-3b4p https://dev.to/camptocamp-geo/postgres-psql-on-windows-sl-syscall-error-eof-detected-expected-authentication-request-from-3b4p <p>Some recent (as of july 2025) Windows update has apparently broken old version of Postgres psql binaries, when trying to connect to an external database with SSL enabled, you may get the following kind of error:</p> <blockquote> <p>pg_restore: error: connection to database "xxx" failed: SSL SYSCALL error: EOF detected <br> expected authentication request from server, but received H"</p> </blockquote> <p>The solution is "simply" to use the latest version of the psql binary.<br> Version 17 has been tested ok.</p> <p>This of course also apply to pg_dump/pg_restore.</p> postgressql windows psql