fix: skip SNI for IP addresses in TLS connection

Author: mex

lib/base/connection.js

@@ -345,7 +345,10 @@ class BaseConnection extends EventEmitter {
     });
     const rejectUnauthorized = this.config.ssl.rejectUnauthorized;
     const verifyIdentity = this.config.ssl.verifyIdentity;
-    const servername = this.config.host;
+    // only set servername for SNI and identity check if host is not an IP address
+    const servername = Net.isIP(this.config.host)
+      ? undefined
+      : this.config.host;
 
     let secureEstablished = false;
     this.stream.removeAllListeners('data');