doc: describe SNI host name format

Ref: #23329 PR-URL: #23357 Refs: #23329 Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Vse Mozhet Byt <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Nov 28, 2018 · 2b8fb77 · 2b8fb77
1 parent c38dbd2
commit 2b8fb77
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc/api/tls.md b/doc/api/tls.md
@@ -891,7 +891,7 @@ changes:
     first byte is the length of the next protocol name. Passing an array is
     usually much simpler, e.g. `['hello', 'world']`.
   * `servername`: {string} Server name for the SNI (Server Name Indication) TLS
-    extension.
+    extension. It must be a host name, and not an IP address.
   * `checkServerIdentity(servername, cert)` {Function} A callback function
     to be used (instead of the builtin `tls.checkServerIdentity()` function)
     when checking the server's hostname (or the provided `servername` when