diff -Nru squid3-3.1.19/debian/changelog squid3-3.1.19/debian/changelog
--- squid3-3.1.19/debian/changelog	2014-08-26 18:56:26.000000000 +0000
+++ squid3-3.1.19/debian/changelog	2015-10-14 16:43:45.000000000 +0000
@@ -1,3 +1,10 @@
+squid3 (3.1.19-1ubuntu3.12.04.4) precise-proposed; urgency=low
+
+  * d/squid3.upstart: Use SIGINT to terminate squid and wait at most 40
+    seconds for it to finish. (LP: #1073478)
+
+ -- Tiago Stürmer Daitx <tiago.daitx@canonical.com>  Wed, 14 Oct 2015 02:54:20 +0000
+
 squid3 (3.1.19-1ubuntu3.12.04.3) precise-security; urgency=medium
 
   * SECURITY UPDATE: Ignore Range headers with unidentifiable byte-range
diff -Nru squid3-3.1.19/debian/squid3.upstart squid3-3.1.19/debian/squid3.upstart
--- squid3-3.1.19/debian/squid3.upstart	2012-06-19 22:49:52.000000000 +0000
+++ squid3-3.1.19/debian/squid3.upstart	2015-10-14 16:43:45.000000000 +0000
@@ -12,6 +12,9 @@
 respawn
 normal exit 0
 
+kill signal SIGINT
+kill timeout 40
+
 env CONFIG="/etc/squid3/squid.conf"
 env SQUID_ARGS="-YC"