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Feature: Added support for tls-crypt-v2 for OpenVPN (client) static keys #9798

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Feature: Added support for tls-crypt-v2 for OpenVPN (client) static keys #9798

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4778769
Added support for tls-crypt-v2 for OpenVPN static keys
Feb 16, 2026
438fb64
Fixed the conditional check.
Feb 16, 2026
b524516
Added context to a dialog I forgot, and added a space in the OptionFi…
Feb 16, 2026
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2 changes: 1 addition & 1 deletion src/opnsense/mvc/app/controllers/OPNsense/OpenVPN/forms/dialogInstance.xml
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Expand Up @@ -314,7 +314,7 @@
<type>dropdown</type>
<help>
Add an additional layer of HMAC authentication on top of the TLS control channel to mitigate DoS attacks and attacks on the TLS stack.
The prefixed mode determines if this measurement is only used for authentication (--tls-auth) or includes encryption (--tls-crypt).
The prefixed mode determines if this measurement is only used for authentication (--tls-auth) or includes encryption (--tls-crypt) and (--tls-crypt-v2).
</help>
<grid_view>
<visible>false</visible>
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2 changes: 1 addition & 1 deletion src/opnsense/mvc/app/controllers/OPNsense/OpenVPN/forms/dialogStaticKey.xml
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Expand Up @@ -10,7 +10,7 @@
<label>Mode</label>
<width>220px</width>
<type>dropdown</type>
<help>Define the use of this key, authentication (--tls-auth) or authentication and encryption (--tls-crypt)</help>
<help>Define the use of this key, authentication (--tls-auth) or authentication and encryption (--tls-crypt) or (--tls-crypt-v2)</help>
</field>
<field>
<id>statickey.key</id>
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5 changes: 5 additions & 0 deletions src/opnsense/mvc/app/library/OPNsense/OpenVPN/PlainOpenVPN.php
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Expand Up @@ -200,6 +200,11 @@ protected function openvpnInlineFiles()
$conf[] = "<tls-crypt>";
$conf = array_merge($conf, explode("\n", trim(base64_decode($this->config['tls']))));
$conf[] = "</tls-crypt>";
}
elseif ($this->config['tlsmode'] === 'crypt-v2') {
$conf[] = "<tls-crypt-v2>";
$conf = array_merge($conf, explode("\n", trim(base64_decode($this->config['tls']))));
$conf[] = "</tls-crypt-v2>";
} else {
$conf[] = "<tls-auth>";
$conf = array_merge($conf, explode("\n", trim(base64_decode($this->config['tls']))));
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1 change: 1 addition & 0 deletions src/opnsense/mvc/app/models/OPNsense/OpenVPN/OpenVPN.xml
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Expand Up @@ -399,6 +399,7 @@
<OptionValues>
<auth>auth (Authenticate control channel packets)</auth>
<crypt>crypt (Encrypt and authenticate all control channel packets)</crypt>
<crypt-v2>crypt-v2 (Encrypt and authenticate all control channel packets)</crypt-v2>
</OptionValues>
</mode>
<key type="TextField">
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