From b20acaa3e1ad9957abf7eae2f2557956a23c3e86 Mon Sep 17 00:00:00 2001
From: Matthew Ames <SuperMatt@users.noreply.github.com>
Date: Tue, 17 Nov 2015 09:27:15 +0000
Subject: [PATCH] Update configuration.py

---
 letsencrypt/configuration.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/letsencrypt/configuration.py b/letsencrypt/configuration.py
index 4955655f3..b370c741f 100644
--- a/letsencrypt/configuration.py
+++ b/letsencrypt/configuration.py
@@ -157,6 +157,6 @@ def _check_config_domain_sanity(domains):
     # http://www.mkyong.com/regular-expressions/domain-name-regular-expression-example/
     #  Characters used, domain parts < 63 chars, tld > 1 < 7 chars
     #  first and last char is not "-"
-    fqdn = re.compile("^((?!-)[A-Za-z0-9-]{1,63}(?<!-)\\.)+[A-Za-z]{2,6}$")
+    fqdn = re.compile("^((?!-)[A-Za-z0-9-]{1,63}(?<!-)\\.)+[A-Za-z]{2,12}$")
     if any(True for d in domains if not fqdn.match(d)):
         raise errors.ConfigurationError("Requested domain is not a FQDN")