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docs-bot merged 3 commits into from
Dec 3, 2025
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Repo sync #41649

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26ed26c
Merge pull request #58683 from github/repo-sync
docs-bot Dec 2, 2025
401152b
Update OpenAPI Description (#58678)
docs-bot Dec 2, 2025
4b2d21e
Move TLS and SSH cipher configuration to dedicated page (#58293)
steph-sabotasan Dec 2, 2025
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2 changes: 1 addition & 1 deletion ...nce/administering-your-instance-from-the-command-line/command-line-utilities.md
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Expand Up @@ -225,7 +225,7 @@ To check SSH ciphers:
ghe-crypto check ssh-ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com
```

For more information about configuring cipher suites and cryptographic algorithms, see [AUTOTITLE](/admin/configuring-settings/hardening-security-for-your-enterprise/configuring-tls#configuring-cipher-suites-and-cryptographic-algorithms).
For more information about configuring cipher suites and cryptographic algorithms, see [AUTOTITLE](/admin/configuring-settings/hardening-security-for-your-enterprise/configuring-tls-and-ssh-ciphers).

{% endif %}

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6 changes: 6 additions & 0 deletions ...ng-security-for-your-enterprise/configuring-ssh-connections-to-your-instance.md
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Expand Up @@ -24,6 +24,12 @@ topics:

To accommodate the SSH clients in your environment, you can configure the types of connections that {% data variables.location.product_location %} will accept.

{% ifversion ghes > 3.18 %}

You can also configure the cryptographic algorithms (ciphers, MAC algorithms, key exchange algorithms, and signature types) that {% data variables.location.product_location %} uses for SSH connections. For more information, see [AUTOTITLE](/admin/configuring-settings/hardening-security-for-your-enterprise/configuring-tls-and-ssh-ciphers).

{% endif %}

## Configuring SSH connections with RSA keys

When users perform Git operations on {% data variables.location.product_location %} via SSH over port 22, the client can authenticate with an RSA key. The client may sign the attempt using the SHA-1 hash function. In this context, the SHA-1 hash function is no longer secure. For more information, see [SHA-1](https://en.wikipedia.org/wiki/SHA-1) on Wikipedia.
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