# \#ssh-configure

**URL:** https://community.cdata.com/tag/ssh-configure/968.md

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## [How to enable specific SSH host key algorithm for SFTP connector (rsa-sha2-512)](https://community.cdata.com/t/how-to-enable-specific-ssh-host-key-algorithm-for-sftp-connector-rsa-sha2-512/1315)

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**Author:** [@vgarcia](https://community.cdata.com/u/vgarcia)\
**Replies:** 0\
**Last updated:** [July 20, 2026, 8:31pm UTC](https://community.cdata.com/t/how-to-enable-specific-ssh-host-key-algorithm-for-sftp-connector-rsa-sha2-512/1315 "2026-07-20T20:31:38Z")

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Description: We are using DataVirtuality 25.4 with an SFTP connector via JSch 0.2.7. After upgrading to DV 25.4, our SFTP connection to an external partner stopped working due to an SSH algorithm negotiation failure. T…