diff --git a/extras/ikev2onlymode.sh b/extras/ikev2onlymode.sh
index 34a9382..7e5ce8b 100755
--- a/extras/ikev2onlymode.sh
+++ b/extras/ikev2onlymode.sh
@@ -116,6 +116,7 @@ toggle_ikev2_only() {
     confirm_disable_ikev2_only
     bigecho "Disabling IKEv2-only mode..."
     sed -i".old-$SYS_DT" "/ikev1-policy=/d" /etc/ipsec.conf
+    sed -i "/config setup/a \  ikev1-policy=accept" /etc/ipsec.conf
   elif [ "$ikev2_only_status" = "DISABLED" ]; then
     confirm_enable_ikev2_only
     bigecho "Enabling IKEv2-only mode..."
diff --git a/vpnsetup_alpine.sh b/vpnsetup_alpine.sh
index 0f4c9f9..9c52393 100755
--- a/vpnsetup_alpine.sh
+++ b/vpnsetup_alpine.sh
@@ -240,7 +240,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=4.15
+  SWAN_VER=5.0
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-$os_type-$os_ver-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)
@@ -294,12 +294,13 @@ WERROR_CFLAGS=-w -s
 USE_DNSSEC=false
 USE_DH2=true
 FINALNSSDIR=/etc/ipsec.d
+NSSDIR=/etc/ipsec.d
 EOF
     NPROCS=$(grep -c ^processor /proc/cpuinfo)
     [ -z "$NPROCS" ] && NPROCS=1
     (
       set -x
-      make "-j$((NPROCS+1))" -s base >/dev/null && make -s install-base >/dev/null
+      make "-j$((NPROCS+1))" -s base >/dev/null 2>&1 && make -s install-base >/dev/null 2>&1
     )
     cd /opt/src || exit 1
     /bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
@@ -326,6 +327,7 @@ cat > /etc/ipsec.conf <<EOF
 version 2.0
 
 config setup
+  ikev1-policy=accept
   virtual-private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!$L2TP_NET,%v4:!$XAUTH_NET
   uniqueids=no
 
diff --git a/vpnsetup_amzn.sh b/vpnsetup_amzn.sh
index 6be14d1..4def381 100755
--- a/vpnsetup_amzn.sh
+++ b/vpnsetup_amzn.sh
@@ -258,7 +258,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=4.15
+  SWAN_VER=5.0
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-amzn-2-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)
@@ -315,6 +315,7 @@ USE_NSS_KDF=false
 USE_LINUX_AUDIT=false
 USE_SECCOMP=false
 FINALNSSDIR=/etc/ipsec.d
+NSSDIR=/etc/ipsec.d
 EOF
     if ! grep -qs IFLA_XFRM_LINK /usr/include/linux/if_link.h; then
       echo "USE_XFRM_INTERFACE_IFLA_HEADER=true" >> Makefile.inc.local
@@ -323,7 +324,7 @@ EOF
     [ -z "$NPROCS" ] && NPROCS=1
     (
       set -x
-      make "-j$((NPROCS+1))" -s base >/dev/null && make -s install-base >/dev/null
+      make "-j$((NPROCS+1))" -s base >/dev/null 2>&1 && make -s install-base >/dev/null 2>&1
     )
     cd /opt/src || exit 1
     /bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
@@ -350,6 +351,7 @@ cat > /etc/ipsec.conf <<EOF
 version 2.0
 
 config setup
+  ikev1-policy=accept
   virtual-private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!$L2TP_NET,%v4:!$XAUTH_NET
   uniqueids=no
 
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index c1d43fa..dc2b5e5 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -360,7 +360,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=4.15
+  SWAN_VER=5.0
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-$os_type-$os_ver-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)
@@ -417,6 +417,7 @@ USE_NSS_KDF=false
 USE_LINUX_AUDIT=false
 USE_SECCOMP=false
 FINALNSSDIR=/etc/ipsec.d
+NSSDIR=/etc/ipsec.d
 EOF
     if ! grep -qs IFLA_XFRM_LINK /usr/include/linux/if_link.h; then
       echo "USE_XFRM_INTERFACE_IFLA_HEADER=true" >> Makefile.inc.local
@@ -425,7 +426,7 @@ EOF
     [ -z "$NPROCS" ] && NPROCS=1
     (
       set -x
-      make "-j$((NPROCS+1))" -s base >/dev/null && make -s install-base >/dev/null
+      make "-j$((NPROCS+1))" -s base >/dev/null 2>&1 && make -s install-base >/dev/null 2>&1
     )
     cd /opt/src || exit 1
     /bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
@@ -452,6 +453,7 @@ cat > /etc/ipsec.conf <<EOF
 version 2.0
 
 config setup
+  ikev1-policy=accept
   virtual-private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!$L2TP_NET,%v4:!$XAUTH_NET
   uniqueids=no
 
diff --git a/vpnsetup_ubuntu.sh b/vpnsetup_ubuntu.sh
index 7ddda1e..85bf866 100755
--- a/vpnsetup_ubuntu.sh
+++ b/vpnsetup_ubuntu.sh
@@ -313,7 +313,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=4.15
+  SWAN_VER=5.0
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-$os_type-$os_ver-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)
@@ -368,6 +368,7 @@ USE_DNSSEC=false
 USE_DH2=true
 USE_NSS_KDF=false
 FINALNSSDIR=/etc/ipsec.d
+NSSDIR=/etc/ipsec.d
 EOF
     if ! grep -qs IFLA_XFRM_LINK /usr/include/linux/if_link.h; then
       echo "USE_XFRM_INTERFACE_IFLA_HEADER=true" >> Makefile.inc.local
@@ -376,7 +377,7 @@ EOF
     [ -z "$NPROCS" ] && NPROCS=1
     (
       set -x
-      make "-j$((NPROCS+1))" -s base >/dev/null && make -s install-base >/dev/null
+      make "-j$((NPROCS+1))" -s base >/dev/null 2>&1 && make -s install-base >/dev/null 2>&1
     )
     cd /opt/src || exit 1
     /bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
@@ -403,6 +404,7 @@ cat > /etc/ipsec.conf <<EOF
 version 2.0
 
 config setup
+  ikev1-policy=accept
   virtual-private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!$L2TP_NET,%v4:!$XAUTH_NET
   uniqueids=no