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authorFlorian Weimer <fweimer@redhat.com>2017-07-03 21:06:23 +0200
committerFlorian Weimer <fweimer@redhat.com>2017-07-03 21:06:23 +0200
commitaef16cc8a4c670036d45590877d411a97f01e0cd (patch)
tree4403f1962170ce92087a6e1af62dbb92e15d27f6 /NEWS
parenta1c4eb8794e789b5055d7ceb13b2b3231abf5e26 (diff)
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resolv: Automatically reload a changed /etc/resolv.conf file [BZ #984]
This commit enhances the stub resolver to reload the configuration
in the per-thread _res object if the /etc/resolv.conf file has
changed.  The resolver checks whether the application has modified
_res and will not overwrite the _res object in that case.

The struct resolv_context mechanism is used to check the
configuration file only once per name lookup.
Diffstat (limited to 'NEWS')
-rw-r--r--NEWS4
1 files changed, 4 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index bf2b5dfa18..1f45852836 100644
--- a/NEWS
+++ b/NEWS
@@ -245,6 +245,10 @@ Version 2.26
   array, which is limited to six entries) will only use the first six search
   domains, as before.
 
+* The glibc DNS stub resolver now automatically reloads /etc/resolv.conf,
+  to pick up changed configuration settings.  The new “no-reload”
+  (RES_NORELOAD) resolver option disables this behavior.
+
 Security related changes:
 
 * The DNS stub resolver limits the advertised UDP buffer size to 1200 bytes,