diff --git a/lib/core/option.py b/lib/core/option.py
index ae0178760..307c1304e 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1759,6 +1759,13 @@ def _cleanupOptions():
         conf.binaryFields = conf.binaryFields.replace(" ", "")
         conf.binaryFields = re.split(PARAMETER_SPLITTING_REGEX, conf.binaryFields)
 
+    envProxy = max(os.environ.get(_, "") for _ in ("all_proxy", "ALL_PROXY", "http_proxy", "HTTP_PROXY", "https_proxy", "HTTPS_PROXY"))
+    if re.search(r"\A(https?|socks[45])://.+:\d+\Z", envProxy) and conf.proxy is None:
+        debugMsg = "using environment proxy '%s'" % envProxy
+        logger.debug(debugMsg)
+
+        conf.proxy = envProxy
+
     if any((conf.proxy, conf.proxyFile, conf.tor)):
         conf.disablePrecon = True
 
diff --git a/lib/core/settings.py b/lib/core/settings.py
index f51d06d86..4dc09a3e5 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.4.1.10"
+VERSION = "1.4.1.11"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
@@ -486,6 +486,9 @@ GOOGLE_ANALYTICS_COOKIE_PREFIX = "__UTM"
 # Prefix for configuration overriding environment variables
 SQLMAP_ENVIRONMENT_PREFIX = "SQLMAP_"
 
+# General OS environment variables that can be used for setting proxy address
+PROXY_ENVIRONMENT_VARIABLES = ("all_proxy", "ALL_PROXY", "http_proxy", "HTTP_PROXY", "https_proxy", "HTTPS_PROXY")
+
 # Turn off resume console info to avoid potential slowdowns
 TURN_OFF_RESUME_INFO_LIMIT = 20