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Improve VPN config

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- Increase auto-generated IPsec PSK length to 20 characters
- Add a note to README
This commit is contained in:
hwdsl2 2018-10-27 15:22:53 -05:00
parent 732ad1e941
commit e8723245f0
4 changed files with 6 additions and 2 deletions
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2
README-zh.md
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@ -102,6 +102,8 @@ nano -w vpnsetup.sh
sudo sh vpnsetup.sh
```
**注：** 不要在值中使用这些字符： `\ " '`。一个安全的 IPsec PSK 应该至少包含 20 个随机字符。
**选项 3:** 将你自己的 VPN 登录凭证定义为环境变量：
```bash

2
README.md
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@ -102,6 +102,8 @@ nano -w vpnsetup.sh
sudo sh vpnsetup.sh
```
**Note:** DO NOT use these special characters within values: `\ " '`. A secure IPsec PSK should consist of at least 20 random characters.
**Option 3:** Define your VPN credentials as environment variables:
```bash

2
vpnsetup.sh
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@ -103,7 +103,7 @@ fi
if [ -z "$VPN_IPSEC_PSK" ] && [ -z "$VPN_USER" ] && [ -z "$VPN_PASSWORD" ]; then
bigecho "VPN credentials not set by user. Generating random PSK and password..."
VPN_IPSEC_PSK="$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 16)"
VPN_IPSEC_PSK="$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 20)"
VPN_USER=vpnuser
VPN_PASSWORD="$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 16)"
fi

2
vpnsetup_centos.sh
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@ -92,7 +92,7 @@ fi
if [ -z "$VPN_IPSEC_PSK" ] && [ -z "$VPN_USER" ] && [ -z "$VPN_PASSWORD" ]; then
bigecho "VPN credentials not set by user. Generating random PSK and password..."
VPN_IPSEC_PSK="$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 16)"
VPN_IPSEC_PSK="$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 20)"
VPN_USER=vpnuser
VPN_PASSWORD="$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 16)"
fi