diff --git a/go.mod b/go.mod
index 1104270b..7882ff95 100644
--- a/go.mod
+++ b/go.mod
@@ -8,11 +8,11 @@ require (
 	github.com/golang/mock v1.6.0
 	github.com/qdm12/dns v1.11.0
 	github.com/qdm12/golibs v0.0.0-20210822203818-5c568b0777b6
-	github.com/qdm12/gosettings v0.2.0
+	github.com/qdm12/gosettings v0.3.0-rc3
 	github.com/qdm12/goshutdown v0.3.0
 	github.com/qdm12/gosplash v0.1.0
 	github.com/qdm12/gotree v0.2.0
-	github.com/qdm12/govalid v0.1.0
+	github.com/qdm12/govalid v0.2.0-rc1
 	github.com/qdm12/log v0.1.0
 	github.com/qdm12/ss-server v0.4.0
 	github.com/qdm12/updated v0.0.0-20210603204757-205acfe6937e
diff --git a/go.sum b/go.sum
index 48ce8853..5668e7bc 100644
--- a/go.sum
+++ b/go.sum
@@ -93,6 +93,8 @@ github.com/qdm12/golibs v0.0.0-20210822203818-5c568b0777b6 h1:bge5AL7cjHJMPz+5IO
 github.com/qdm12/golibs v0.0.0-20210822203818-5c568b0777b6/go.mod h1:6aRbg4Z/bTbm9JfxsGXfWKHi7zsOvPfUTK1S5HuAFKg=
 github.com/qdm12/gosettings v0.2.0 h1:Q/4s0t8k9e3MSKMM5oMUIE3UGrdd+U2+qR8rTgiKRvA=
 github.com/qdm12/gosettings v0.2.0/go.mod h1:GptXlJVLQxfWznSlgc+pNo3JGnp+f2AKEv0tq/U7igU=
+github.com/qdm12/gosettings v0.3.0-rc3 h1:ySstdo7i3h5z6iJ6R96YykC+JuluaVqncHxsFzndyUI=
+github.com/qdm12/gosettings v0.3.0-rc3/go.mod h1:+hHzN8lsE63T01t6SruGzc6xkpvfsZFod/ooDs8FWnQ=
 github.com/qdm12/goshutdown v0.3.0 h1:pqBpJkdwlZlfTEx4QHtS8u8CXx6pG0fVo6S1N0MpSEM=
 github.com/qdm12/goshutdown v0.3.0/go.mod h1:EqZ46No00kCTZ5qzdd3qIzY6ayhMt24QI8Mh8LVQYmM=
 github.com/qdm12/gosplash v0.1.0 h1:Sfl+zIjFZFP7b0iqf2l5UkmEY97XBnaKkH3FNY6Gf7g=
@@ -101,6 +103,8 @@ github.com/qdm12/gotree v0.2.0 h1:+58ltxkNLUyHtATFereAcOjBVfY6ETqRex8XK90Fb/c=
 github.com/qdm12/gotree v0.2.0/go.mod h1:1SdFaqKZuI46U1apbXIf25pDMNnrPuYLEqMF/qL4lY4=
 github.com/qdm12/govalid v0.1.0 h1:UIFVmuaAg0Q+h0GeyfcFEZ5sQ5KJPvRQwycC1/cqDN8=
 github.com/qdm12/govalid v0.1.0/go.mod h1:CyS/OEQdOvunBgrtIsW93fjd4jBkwZPBjGSpxq3NwA4=
+github.com/qdm12/govalid v0.2.0-rc1 h1:4iYQvU4ibrASgzelsEgZX4JyKX3UTB/DcHObzQ7BXtw=
+github.com/qdm12/govalid v0.2.0-rc1/go.mod h1:/uWzVWMuS71wmbsVnlUxpQiy6EAXqm8eQ2RbyA72roQ=
 github.com/qdm12/log v0.1.0 h1:jYBd/xscHYpblzZAd2kjZp2YmuYHjAAfbTViJWxoPTw=
 github.com/qdm12/log v0.1.0/go.mod h1:Vchi5M8uBvHfPNIblN4mjXn/oSbiWguQIbsgF1zdQPI=
 github.com/qdm12/ss-server v0.4.0 h1:lMMYfDGc9P86Lyvd3+p8lK4hhgHUKDzjZC91FqJYkDU=
diff --git a/internal/configuration/settings/health.go b/internal/configuration/settings/health.go
index 6cdc3106..80cdebfc 100644
--- a/internal/configuration/settings/health.go
+++ b/internal/configuration/settings/health.go
@@ -37,7 +37,7 @@ type Health struct {
 
 func (h Health) Validate() (err error) {
 	uid := os.Getuid()
-	_, err = address.Validate(h.ServerAddress,
+	err = address.Validate(h.ServerAddress,
 		address.OptionListening(uid))
 	if err != nil {
 		return fmt.Errorf("server listening address is not valid: %w", err)
diff --git a/internal/configuration/settings/httpproxy.go b/internal/configuration/settings/httpproxy.go
index 50053eae..3fc56b9d 100644
--- a/internal/configuration/settings/httpproxy.go
+++ b/internal/configuration/settings/httpproxy.go
@@ -47,7 +47,7 @@ func (h HTTPProxy) validate() (err error) {
 	// Do not validate user and password
 
 	uid := os.Getuid()
-	_, err = address.Validate(h.ListeningAddress, address.OptionListening(uid))
+	err = address.Validate(h.ListeningAddress, address.OptionListening(uid))
 	if err != nil {
 		return fmt.Errorf("%w: %s", ErrServerAddressNotValid, h.ListeningAddress)
 	}
diff --git a/internal/configuration/sources/env/dnsblacklist.go b/internal/configuration/sources/env/dnsblacklist.go
index 480c6f8c..da83d6af 100644
--- a/internal/configuration/sources/env/dnsblacklist.go
+++ b/internal/configuration/sources/env/dnsblacklist.go
@@ -38,12 +38,7 @@ func (s *Source) readDNSBlacklist() (blacklist settings.DNSBlacklist, err error)
 
 func (s *Source) readBlockSurveillance() (blocked *bool, err error) {
 	key, value := s.getEnvWithRetro("BLOCK_SURVEILLANCE", "BLOCK_NSA")
-	if value == "" {
-		return nil, nil //nolint:nilnil
-	}
-
-	blocked = new(bool)
-	*blocked, err = binary.Validate(value)
+	blocked, err = binary.Validate(value)
 	if err != nil {
 		return nil, fmt.Errorf("environment variable %s: %w", key, err)
 	}
diff --git a/internal/configuration/sources/env/helpers.go b/internal/configuration/sources/env/helpers.go
index 006db996..102bc10a 100644
--- a/internal/configuration/sources/env/helpers.go
+++ b/internal/configuration/sources/env/helpers.go
@@ -48,14 +48,11 @@ func envToStringPtr(envKey string) (stringPtr *string) {
 
 func envToBoolPtr(envKey string) (boolPtr *bool, err error) {
 	s := getCleanedEnv(envKey)
-	if s == "" {
-		return nil, nil //nolint:nilnil
-	}
 	value, err := binary.Validate(s)
 	if err != nil {
 		return nil, err
 	}
-	return &value, nil
+	return value, nil
 }
 
 func envToIntPtr(envKey string) (intPtr *int, err error) {
diff --git a/internal/configuration/sources/env/httproxy.go b/internal/configuration/sources/env/httproxy.go
index 2b138e8a..bb6fa8fd 100644
--- a/internal/configuration/sources/env/httproxy.go
+++ b/internal/configuration/sources/env/httproxy.go
@@ -56,12 +56,7 @@ func (s *Source) readHTTProxyListeningAddress() (listeningAddress string) {
 
 func (s *Source) readHTTProxyEnabled() (enabled *bool, err error) {
 	key, value := s.getEnvWithRetro("HTTPPROXY", "PROXY", "TINYPROXY")
-	if value == "" {
-		return nil, nil //nolint:nilnil
-	}
-
-	enabled = new(bool)
-	*enabled, err = binary.Validate(value)
+	enabled, err = binary.Validate(value)
 	if err != nil {
 		return nil, fmt.Errorf("environment variable %s: %w", key, err)
 	}
@@ -71,9 +66,6 @@ func (s *Source) readHTTProxyEnabled() (enabled *bool, err error) {
 
 func (s *Source) readHTTProxyLog() (enabled *bool, err error) {
 	key, value := s.getEnvWithRetro("HTTPPROXY_LOG", "PROXY_LOG_LEVEL", "TINYPROXY_LOG")
-	if value == "" {
-		return nil, nil //nolint:nilnil
-	}
 
 	var binaryOptions []binary.Option
 	if key != "HTTPROXY_LOG" {
@@ -81,8 +73,7 @@ func (s *Source) readHTTProxyLog() (enabled *bool, err error) {
 		binaryOptions = append(binaryOptions, retroOption)
 	}
 
-	enabled = new(bool)
-	*enabled, err = binary.Validate(value, binaryOptions...)
+	enabled, err = binary.Validate(value, binaryOptions...)
 	if err != nil {
 		return nil, fmt.Errorf("environment variable %s: %w", key, err)
 	}
diff --git a/internal/configuration/sources/env/openvpn.go b/internal/configuration/sources/env/openvpn.go
index c34ad338..2653cfda 100644
--- a/internal/configuration/sources/env/openvpn.go
+++ b/internal/configuration/sources/env/openvpn.go
@@ -119,7 +119,7 @@ func (s *Source) readOpenVPNProcessUser() (processUser string, err error) {
 	if err != nil {
 		return "", fmt.Errorf("environment variable %s: %w", key, err)
 	}
-	if root {
+	if *root {
 		return "root", nil
 	}
 	const defaultNonRootUser = "nonrootuser"
diff --git a/internal/configuration/sources/env/server.go b/internal/configuration/sources/env/server.go
index a2fabf0a..680ec726 100644
--- a/internal/configuration/sources/env/server.go
+++ b/internal/configuration/sources/env/server.go
@@ -20,16 +20,11 @@ func (s *Source) readControlServer() (controlServer settings.ControlServer, err
 
 func readControlServerLog() (enabled *bool, err error) {
 	s := getCleanedEnv("HTTP_CONTROL_SERVER_LOG")
-	if s == "" {
-		return nil, nil //nolint:nilnil
-	}
-
 	log, err := binary.Validate(s)
 	if err != nil {
 		return nil, fmt.Errorf("environment variable HTTP_CONTROL_SERVER_LOG: %w", err)
 	}
-
-	return &log, nil
+	return log, nil
 }
 
 func (s *Source) readControlServerAddress() (address *string) {
diff --git a/internal/configuration/sources/env/version.go b/internal/configuration/sources/env/version.go
index ceff787f..590d2946 100644
--- a/internal/configuration/sources/env/version.go
+++ b/internal/configuration/sources/env/version.go
@@ -22,8 +22,7 @@ func readVersionEnabled() (enabled *bool, err error) {
 		return nil, nil //nolint:nilnil
 	}
 
-	enabled = new(bool)
-	*enabled, err = binary.Validate(s)
+	enabled, err = binary.Validate(s)
 	if err != nil {
 		return nil, fmt.Errorf("environment variable VERSION_INFORMATION: %w", err)
 	}
diff --git a/internal/httpserver/settings.go b/internal/httpserver/settings.go
index c28b444b..90f542f1 100644
--- a/internal/httpserver/settings.go
+++ b/internal/httpserver/settings.go
@@ -85,7 +85,7 @@ var (
 
 func (s Settings) Validate() (err error) {
 	uid := os.Getuid()
-	_, err = address.Validate(s.Address, address.OptionListening(uid))
+	err = address.Validate(s.Address, address.OptionListening(uid))
 	if err != nil {
 		return err
 	}