diff --git a/extras/ikev2setup.sh b/extras/ikev2setup.sh
index 0a9ba1e..a02c8c5 100755
--- a/extras/ikev2setup.sh
+++ b/extras/ikev2setup.sh
@@ -169,7 +169,7 @@ confirm_or_abort() {
 show_header() {
 cat <<'EOF'
 
-IKEv2 Script   Copyright (c) 2020-2025 Lin Song   1 Sep 2025
+IKEv2 Script   Copyright (c) 2020-2025 Lin Song   2 Sep 2025
 
 EOF
 }
@@ -1197,7 +1197,6 @@ conn ikev2-cp
   narrowing=yes
   dpddelay=30
   retransmit-timeout=300s
-  dpdaction=clear
   auto=add
   ikev2=insist
   rekey=no
diff --git a/vpnsetup_alpine.sh b/vpnsetup_alpine.sh
index dedca7c..ac22300 100755
--- a/vpnsetup_alpine.sh
+++ b/vpnsetup_alpine.sh
@@ -353,10 +353,8 @@ conn shared
   authby=secret
   pfs=no
   rekey=no
-  keyingtries=5
   dpddelay=30
   dpdtimeout=300
-  dpdaction=clear
   ikev2=never
   ike=aes256-sha2;modp2048,aes128-sha2;modp2048,aes256-sha1;modp2048,aes128-sha1;modp2048
   phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes256-sha2_512,aes128-sha2,aes256-sha2
diff --git a/vpnsetup_amzn.sh b/vpnsetup_amzn.sh
index baf3314..a7fe0f6 100755
--- a/vpnsetup_amzn.sh
+++ b/vpnsetup_amzn.sh
@@ -377,10 +377,8 @@ conn shared
   authby=secret
   pfs=no
   rekey=no
-  keyingtries=5
   dpddelay=30
   dpdtimeout=300
-  dpdaction=clear
   ikev2=never
   ike=aes256-sha2;modp2048,aes128-sha2;modp2048,aes256-sha1;modp2048,aes128-sha1;modp2048
   phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes256-sha2_512,aes128-sha2,aes256-sha2
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index 4518bef..4be0ff2 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -484,10 +484,8 @@ conn shared
   authby=secret
   pfs=no
   rekey=no
-  keyingtries=5
   dpddelay=30
   dpdtimeout=300
-  dpdaction=clear
   ikev2=never
   ike=aes256-sha2;modp2048,aes128-sha2;modp2048,aes256-sha1;modp2048,aes128-sha1;modp2048
   phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes256-sha2_512,aes128-sha2,aes256-sha2
diff --git a/vpnsetup_ubuntu.sh b/vpnsetup_ubuntu.sh
index 9a9ebff..e3d5824 100755
--- a/vpnsetup_ubuntu.sh
+++ b/vpnsetup_ubuntu.sh
@@ -441,10 +441,8 @@ conn shared
   authby=secret
   pfs=no
   rekey=no
-  keyingtries=5
   dpddelay=30
   dpdtimeout=300
-  dpdaction=clear
   ikev2=never
   ike=aes256-sha2;modp2048,aes128-sha2;modp2048,aes256-sha1;modp2048,aes128-sha1;modp2048
   phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes256-sha2_512,aes128-sha2,aes256-sha2