diff -Nru gnupg2-2.1.15/debian/changelog gnupg2-2.1.15/debian/changelog
--- gnupg2-2.1.15/debian/changelog	2016-09-17 12:02:46.000000000 +0000
+++ gnupg2-2.1.15/debian/changelog	2016-09-21 01:25:50.000000000 +0000
@@ -1,3 +1,12 @@
+gnupg2 (2.1.15-1ubuntu4) yakkety; urgency=medium
+
+  * Honor http_proxy= environment variables by default, in the newly
+    generated dirmngr.conf files. Existing users behing proxies should set
+    honor-http-proxy in $GNUPGHOME/dirmngr.conf, see
+    /usr/share/gnupg/dirmngr-conf.skel. LP: #1625848
+
+ -- Dimitri John Ledkov <xnox@ubuntu.com>  Wed, 21 Sep 2016 02:23:54 +0100
+
 gnupg2 (2.1.15-1ubuntu3) yakkety; urgency=medium
 
   * No-change rebuild for readline soname change.
diff -Nru gnupg2-2.1.15/debian/patches/dirmngr-honor-http-proxy.patch gnupg2-2.1.15/debian/patches/dirmngr-honor-http-proxy.patch
--- gnupg2-2.1.15/debian/patches/dirmngr-honor-http-proxy.patch	1970-01-01 00:00:00.000000000 +0000
+++ gnupg2-2.1.15/debian/patches/dirmngr-honor-http-proxy.patch	2016-09-21 01:28:33.000000000 +0000
@@ -0,0 +1,22 @@
+Description: Honor http_proxy= environment variables by default
+ In the newly generated dirmngr.conf files only. Existing users behing
+ proxies should set honor-http-proxy in $GNUPGHOME/dirmngr.conf,
+ see /usr/share/gnupg/dirmngr-conf.skel.
+Author: Dimitri John Ledkov <xnox@ubuntu.com>
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/1625848
+
+--- a/g10/dirmngr-conf.skel
++++ b/g10/dirmngr-conf.skel
+@@ -67,3 +67,12 @@
+ # more root certificates.  Tilde expansion is supported.
+ 
+ #hkp-cacert /path/to/CA/sks-keyservers.netCA.pem
++
++# --honor-http-proxy
++#
++# Upstream default is to ignore http_proxy= environment variable when
++# accessing the keyserver, unless this key is set. On Ubuntu, this
++# behaviour is enabled by default and http_proxy environment variable
++# is honored.
++
++honor-http-proxy
diff -Nru gnupg2-2.1.15/debian/patches/series gnupg2-2.1.15/debian/patches/series
--- gnupg2-2.1.15/debian/patches/series	2016-08-30 17:19:23.000000000 +0000
+++ gnupg2-2.1.15/debian/patches/series	2016-09-21 01:26:33.000000000 +0000
@@ -2,3 +2,4 @@
 0002-Avoid-simple-memory-dumps-via-ptrace.patch
 0003-avoid-regenerating-defsincdate-use-shipped-file.patch
 0004-spelling-s-achived-achieved-and-s-alternativly-alter.patch
+dirmngr-honor-http-proxy.patch