fix(xen-api,xo-server): fix compatibility with XS 6.5 and Node 12

Fixes #4906

CHANGELOG.unreleased.md

@@ -15,6 +15,8 @@
 
 > Users must be able to say: “I had this issue, happy to know it's fixed”
 
+- Fix TLS error (`unsupported protocol`) with XenServer <= 6.5 and Node >= 12 for backups, consoles, and statistics [#4906](https://github.com/vatesfr/xen-orchestra/issues/4906)
+
 ### Released packages
 
 > Packages will be released in the order they are here, therefore, they should

packages/xen-api/src/index.js

@@ -355,6 +355,9 @@ export class Xapi extends EventEmitter {
 
         // this is an inactivity timeout (unclear in Node doc)
         timeout: this._httpInactivityTimeout,
+
+        // Support XS <= 6.5 with Node => 12
+        minVersion: 'TLSv1',
       }
     )
 

packages/xo-server/src/proxy-console.js

@@ -24,6 +24,9 @@ export default function proxyConsole(ws, vmConsole, sessionId) {
       host: hostname,
       port: url.port || 443,
       rejectUnauthorized: false,
+
+      // Support XS <= 6.5 with Node => 12
+      minVersion: 'TLSv1',
     },
     () => {
       // Write headers.