From 41ab23bed598c5110a41932fcf69dd038a08c61d Mon Sep 17 00:00:00 2001
From: Isis Lovecruft <isis@torproject.org>
Date: Tue, 23 Aug 2016 14:39:40 +0000
Subject: [PATCH 1/2] Replace Tonga with Bifroest.

 * FIXES #19728: https://bugs.torproject.org/19728
 * CLOSES #19690: https://bugs.torproject.org/19690
---
 src/or/config.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/or/config.c b/src/or/config.c
index 0f36738ad..3094a1db4 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -869,8 +869,8 @@ static const char *default_authorities[] = {
   "dizum orport=443 "
     "v3ident=E8A9C45EDE6D711294FADF8E7951F4DE6CA56B58 "
     "194.109.206.212:80 7EA6 EAD6 FD83 083C 538F 4403 8BBF A077 587D D755",
-  "Tonga orport=443 bridge "
-    "82.94.251.203:80 4A0C CD2D DC79 9508 3D73 F5D6 6710 0C8A 5831 F16D",
+  "Bifroest orport=443 bridge "
+    "37.218.247.217:80 1D8F 3A91 C37C 5D1C 4C19 B1AD 1D0C FBE8 BF72 D8E1",
   "gabelmoo orport=443 "
     "v3ident=ED03BB616EB2F60BEC80151114BB25CEF515B226 "
     "131.188.40.189:80 F204 4413 DAC2 E02E 3D6B CF47 35A1 9BCA 1DE9 7281",

From f60da19211fb18f8c7bc6baaa9fa8644ea3a2017 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 24 Aug 2016 10:02:42 -0400
Subject: [PATCH 2/2] Changes file  for bifroest

---
 changes/bug19728 | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 changes/bug19728

diff --git a/changes/bug19728 b/changes/bug19728
new file mode 100644
index 000000000..98ba34290
--- /dev/null
+++ b/changes/bug19728
@@ -0,0 +1,3 @@
+  o Directory authority changes:
+    - The "Tonga" bridge authority has been retired; the new bridge
+      authority is "Bifroest". Closes tickets 19728 and 19690.