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# Configurazione SSH per la conformità FIPS 140-2 di Remote Desktop Manager

Affinché il client SSH di Remote Desktop Manager sia conforme allo standard FIPS 140-2 allegato A, è necessario applicare modifiche di configurazione specifiche nelle opzioni di Remote Desktop Manager.

{% hint style="success" %}
Per essere conformi, deve assicurarsi che gli algoritmi non conformi siano disattivati. A tale scopo, deve verificare che le caselle NON selezionate negli screenshot seguenti siano disattivate nella configurazione del client.
{% endhint %}

{% hint style="warning" %}
Non consigliamo di utilizzare queste impostazioni a meno che non si trovi in un ambiente che richiede la conformità a FIPS 140-2. La maggior parte degli utenti dovrebbe attenersi alle impostazioni predefinite di Remote Desktop Manager e abilitare suite di cifratura aggiuntive solo se richiesto dai propri server.
{% endhint %}

{% hint style="info" %}
Questi valori provengono dalla documentazione Microsoft [standard FIPS140.2 allegato A](https://docs.microsoft.com/en-us/cpp/linux/set-up-fips-compliant-secure-remote-linux-development?view=msvc-160)
{% endhint %}

1. In Remote Desktop Manager, vada su ***File – Impostazioni – Tipi – Terminale – Supporto algoritmi***.
2. Nella scheda ***Cipher***, deselezioni:
   * Chacha20 Poly1305 (openssh.com)
   * Aes256 Gcm (openssh.com)
   * Aes128 Gmc (openssh.com)
   * Rijndael Cbc (lysator.liu.se)

     <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_kb_KB4861.png" alt=""><figcaption></figcaption></figure>
3. Nella scheda ***Host key***, deselezioni:
   * Ssh Ed25519
   * X509v3 Sign Rsa
   * X509v3 Sign Rsa Sha256 (ssh.com)
   * Ssh Dss

     <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_kb_KB4862.png" alt=""><figcaption></figcaption></figure>
4. Nella scheda ***Kex***, deselezioni:
   * Curve25519 Sha256
   * Curve25519 Sha256 (libssh.org)
   * Diffie Hellman Group16 Sha512
   * Diffie Hellman Group18 Sha512
   * Diffie Hellman Group14 Sha256
   * Diffie Hellman Group1 Sha1

     <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_kb_KB4863.png" alt=""><figcaption></figcaption></figure>
5. Nella scheda ***MAC***, deselezioni:
   * Hmac Sha 1 96
   * Hmac Md5 96
   * Hmac Md5

     <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_kb_KB4864.png" alt=""><figcaption></figcaption></figure>
6. Clicchi su ***OK***.


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