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Improve IKEv2 setup

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- Use default key size (2048 bits) when generating key pairs using
  certutil. This significantly reduces IKEv2 setup time on servers
  with less powerful CPUs, such as Raspberry Pis, while still providing
  sufficient security.
- Update docs
This commit is contained in:
hwdsl2 2021-03-05 21:25:47 -06:00
parent e7e9bf2dc0
commit 11f8502e3a
3 changed files with 10 additions and 10 deletions
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6
docs/ikev2-howto-zh.md
View File

@ -493,7 +493,7 @@ To customize IKEv2 or client options, run this script without arguments.
certutil -z <(head -c 1024 /dev/urandom) \
-S -x -n "IKEv2 VPN CA" \
-s "O=IKEv2 VPN,CN=IKEv2 VPN CA" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t "CT,," -2
```
@ -515,7 +515,7 @@ To customize IKEv2 or client options, run this script without arguments.
certutil -z <(head -c 1024 /dev/urandom) \
-S -c "IKEv2 VPN CA" -n "$PUBLIC_IP" \
-s "O=IKEv2 VPN,CN=$PUBLIC_IP" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t ",," \
--keyUsage digitalSignature,keyEncipherment \
--extKeyUsage serverAuth \
@ -536,7 +536,7 @@ To customize IKEv2 or client options, run this script without arguments.
certutil -z <(head -c 1024 /dev/urandom) \
-S -c "IKEv2 VPN CA" -n "vpnclient" \
-s "O=IKEv2 VPN,CN=vpnclient" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t ",," \
--keyUsage digitalSignature,keyEncipherment \
--extKeyUsage serverAuth,clientAuth -8 "vpnclient"

6
docs/ikev2-howto.md
View File

@ -493,7 +493,7 @@ As an alternative to using the [helper script](#using-helper-scripts), advanced
certutil -z <(head -c 1024 /dev/urandom) \
-S -x -n "IKEv2 VPN CA" \
-s "O=IKEv2 VPN,CN=IKEv2 VPN CA" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t "CT,," -2
```
@ -515,7 +515,7 @@ As an alternative to using the [helper script](#using-helper-scripts), advanced
certutil -z <(head -c 1024 /dev/urandom) \
-S -c "IKEv2 VPN CA" -n "$PUBLIC_IP" \
-s "O=IKEv2 VPN,CN=$PUBLIC_IP" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t ",," \
--keyUsage digitalSignature,keyEncipherment \
--extKeyUsage serverAuth \
@ -536,7 +536,7 @@ As an alternative to using the [helper script](#using-helper-scripts), advanced
certutil -z <(head -c 1024 /dev/urandom) \
-S -c "IKEv2 VPN CA" -n "vpnclient" \
-s "O=IKEv2 VPN,CN=vpnclient" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t ",," \
--keyUsage digitalSignature,keyEncipherment \
--extKeyUsage serverAuth,clientAuth -8 "vpnclient"

8
extras/ikev2setup.sh
View File

@ -653,7 +653,7 @@ create_client_cert() {
certutil -z <(head -c 1024 /dev/urandom) \
-S -c "IKEv2 VPN CA" -n "$client_name" \
-s "O=IKEv2 VPN,CN=$client_name" \
-k rsa -g 4096 -v "$client_validity" \
-k rsa -v "$client_validity" \
-d sql:/etc/ipsec.d -t ",," \
--keyUsage digitalSignature,keyEncipherment \
--extKeyUsage serverAuth,clientAuth -8 "$client_name" >/dev/null 2>&1 || exiterr "Failed to create client certificate."
@ -931,7 +931,7 @@ create_ca_server_certs() {
certutil -z <(head -c 1024 /dev/urandom) \
-S -x -n "IKEv2 VPN CA" \
-s "O=IKEv2 VPN,CN=IKEv2 VPN CA" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t "CT,," -2 >/dev/null 2>&1 <<ANSWERS || exiterr "Failed to create CA certificate."
y
@ -944,7 +944,7 @@ ANSWERS
certutil -z <(head -c 1024 /dev/urandom) \
-S -c "IKEv2 VPN CA" -n "$server_addr" \
-s "O=IKEv2 VPN,CN=$server_addr" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t ",," \
--keyUsage digitalSignature,keyEncipherment \
--extKeyUsage serverAuth \
@ -953,7 +953,7 @@ ANSWERS
certutil -z <(head -c 1024 /dev/urandom) \
-S -c "IKEv2 VPN CA" -n "$server_addr" \
-s "O=IKEv2 VPN,CN=$server_addr" \
-k rsa -g 4096 -v 120 \
-k rsa -v 120 \
-d sql:/etc/ipsec.d -t ",," \
--keyUsage digitalSignature,keyEncipherment \
--extKeyUsage serverAuth \