fix(xo-server-sdn-controller): deactive DH for TLS connections (#5187)

Fixes #5074

CHANGELOG.unreleased.md

@@ -11,6 +11,8 @@
 
 > Users must be able to say: “I had this issue, happy to know it's fixed”
 
+- [SDN Controller] Fixes TLS error `dh key too small` [#5074](https://github.com/vatesfr/xen-orchestra/issues/5074) (PR [#5187](https://github.com/vatesfr/xen-orchestra/pull/5187))
+
 ### Packages to release
 
 > Packages will be released in the order they are here, therefore, they should
@@ -27,3 +29,5 @@
 > - major: if the change breaks compatibility
 >
 > In case of conflict, the highest (lowest in previous list) `$version` wins.
+
+xo-server-sdn-controller patch

packages/xo-server-sdn-controller/src/utils/tls-helper.js

@@ -22,6 +22,7 @@ export class TlsHelper {
     const options = {
       ca: this._caCert,
       cert: this._clientCert,
+      ciphers: 'DEFAULT:!DH',
       host: address,
       key: this._clientKey,
       port,