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-rw-r--r--changes/feature186247
-rw-r--r--src/or/dirserv.c2
2 files changed, 8 insertions, 1 deletions
diff --git a/changes/feature18624 b/changes/feature18624
new file mode 100644
index 0000000000..a3be90f745
--- /dev/null
+++ b/changes/feature18624
@@ -0,0 +1,7 @@
+ o Minor features:
+ - Directory authorities now only give the Guard flag to a relay if
+ they are also giving it the Stable flag. This change allows us to
+ simplify path selection for clients, and it should have minimal
+ effect in practice since >99% of Guards already have the Stable
+ flag. Implements ticket 18624.
+
diff --git a/src/or/dirserv.c b/src/or/dirserv.c
index a045f3ac55..f012b7bf64 100644
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@@ -2200,7 +2200,7 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs,
rs->is_valid = node->is_valid;
- if (node->is_fast &&
+ if (node->is_fast && node->is_stable &&
((options->AuthDirGuardBWGuarantee &&
routerbw_kb >= options->AuthDirGuardBWGuarantee/1000) ||
routerbw_kb >= MIN(guard_bandwidth_including_exits_kb,