<h1 id="heading-issue">Issue</h1>
<pre><code class="lang-plaintext">$ ssh user@192.168.0.1
Unable to negotiate with 192.168.0.1 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss
</code></pre>
<h1 id="heading-caused">Caused</h1>
<p>OpenSSH 8 disable weak ciphers by default</p>
<h1 id="heading-resolution">Resolution</h1>
<p>Add these line to <code>.ssh/config</code></p>
<pre><code class="lang-plaintext">HostKeyAlgorithms ssh-rsa
PubkeyAcceptedKeyTypes ssh-rsa
</code></pre>
<h1 id="heading-references">References:</h1>
<ul>
<li><a href="https://www.linuxquestions.org/questions/linux-security-4/no-matching-host-key-type-found-their-offer-ssh-rsa-ssh-dss-4175701155/#post6288387" class="autolinkedURL autolinkedURL-url" target="_blank">linuxquestions.org/questions/linux-security..</a></li>
</ul>


# Issue

```plaintext
$ ssh user@192.168.0.1
Unable to negotiate with 192.168.0.1 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss
```

# Caused

OpenSSH 8 disable weak ciphers by default

# Resolution

Add these line to `.ssh/config`

```plaintext
HostKeyAlgorithms ssh-rsa
PubkeyAcceptedKeyTypes ssh-rsa
```

# References:

* https://www.linuxquestions.org/questions/linux-security-4/no-matching-host-key-type-found-their-offer-ssh-rsa-ssh-dss-4175701155/#post6288387

OpenSSH 9 unable to connect to old machine

Issue

Caused

Resolution

References: