diff --git a/Makefile b/Makefile
index 8ae03fc..df2b2bd 100644
--- a/Makefile
+++ b/Makefile
@@ -172,7 +172,11 @@ endif
 	@$(INSTALL_DIR) $(DESTDIR)$(mambaimagesdir)
 	cp -r etc/polkit-1 $(DESTDIR)$(sysconfdir)/
 	cp -r etc/prelink.conf.d $(DESTDIR)$(sysconfdir)/
+	cp -r etc/profile.d $(DESTDIR)$(sysconfdir)/
+	cp -r etc/sudoers.d $(DESTDIR)$(sysconfdir)/
+	cp -r etc/sysconfig $(DESTDIR)$(sysconfdir)/
 	cp -r etc/xprofile.d $(DESTDIR)$(sysconfdir)/
+	chmod 755 $(DESTDIR)$(sysconfdir)/profile.d/*.sh
 	chmod 755 $(DESTDIR)$(sysconfdir)/xprofile.d/*.sh
 	$(INSTALL_SCRIPT) kde/scripts/showlog $(DESTDIR)$(distrobindir)
 	cp -r menu/icons/ $(DESTDIR)$(datadir)/icons/
diff --git a/etc/profile.d/proxy.sh b/etc/profile.d/proxy.sh
new file mode 100644
index 0000000..912c29b
--- /dev/null
+++ b/etc/profile.d/proxy.sh
@@ -0,0 +1,9 @@
+#
+# openmamba system-wide proxy configuration
+#
+[ -e /etc/sysconfig/proxy ] &&  . /etc/sysconfig/proxy
+[ "$http_proxy" ] && export HTTP_PROXY=$http_proxy
+[ "$https_proxy" ] && export HTTPS_PROXY=$https_proxy
+[ "$ftp_proxy" ] && export FTP_PROXY=$ftp_proxy
+[ "$socks_proxy" ] && export SOCKS_PROXY=$socks_proxy
+[ "$no_proxy" ] && export NO_PROXY=$no_proxy
diff --git a/etc/sudoers.d/proxy b/etc/sudoers.d/proxy
new file mode 100644
index 0000000..8317413
--- /dev/null
+++ b/etc/sudoers.d/proxy
@@ -0,0 +1 @@
+Defaults env_keep += "ftp_proxy http_proxy https_proxy socks_proxy no_proxy FTP_PROXY HTTP_PROXY HTTPS_PROXY SOCKS_PROXY NO_PROXY"
diff --git a/etc/sysconfig/proxy b/etc/sysconfig/proxy
new file mode 100644
index 0000000..087d1dc
--- /dev/null
+++ b/etc/sysconfig/proxy
@@ -0,0 +1,17 @@
+# System proxy configuration file
+
+# Here some examples:
+
+# http_proxy=http://proxy.example.com:8080
+# https_proxy=http://proxy.example.com:8080
+# ftp_proxy=http://proxy.example.com:8080
+# socks_proxy=http://proxy.example.com:8080
+# no_proxy=localhost,127.0.0.1
+
+# http_proxy=http://user:password@proxy.example.com:3128
+# https_proxy=http://user:password@proxy.example.com:3128
+# ftp_proxy=http://user:password@proxy.example.com:3128
+
+# http_proxy=http://domain\\user:password@proxy.example.com:8080
+# https_proxy=http://domain\\user:password@proxy.example.com:8080
+# ftp_proxy=http://domain\\user:password@proxy.example.com:8080