Baptiste Vadé's questions

我正在尝试在具有 StrongSwan 的 Debian 10 服务器和 Nebula NSG200 之间启动 IPSec 连接（站点到站点）。

让我们假设：

• Debian 服务器：
  • 公共 IP : 50.50.50.45
  • 专用网络：10.1.0.0/16
• 星云 NSG200：
  • 公共IP：100.100.100.123
  • 专用网络：10.40.0.0/24

但是每次都认证失败。我在 debian 的日志中收到以下消息。

我不明白为什么认证失败！

...
charon: 13[NET] received packet: from 100.100.100.123[500] to 50.50.50.45[500] (480 bytes)
charon: 13[ENC] parsed IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) V V V ]
charon: 13[ENC] received unknown vendor ID: xx:xx:xx:xx:xx:...
charon: 13[ENC] received unknown vendor ID: yy:yy:yy:yy:yy:...
charon: 13[ENC] received unknown vendor ID: zz:zz:zz:zz:zz:...
charon: 13[IKE] 100.100.100.123 is initiating an IKE_SA
charon: 13[CFG] selected proposal: IKE:AES_CBC_256/HMAC_SHA2_512_256/PRF_HMAC_SHA2_512/MODP_1024
charon: 13[IKE] remote host is behind NAT
charon: 13[ENC] generating IKE_SA_INIT response 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) N(MULT_AUTH) ]
charon: 13[NET] sending packet: from 50.50.50.45[500] to 100.100.100.123[500] (312 bytes)
charon: 14[NET] received packet: from 100.100.100.123[4500] to 50.50.50.45[4500] (320 bytes)
charon: 14[ENC] parsed IKE_AUTH request 1 [ IDi CERTREQ AUTH SA TSi TSr N(HTTP_CERT_LOOK) N(INIT_CONTACT) N(ESP_TFC_PAD_N) N(NON_FIRST_FRAG) ]
charon: 14[IKE] received 1 cert requests for an unknown ca
charon: 14[CFG] looking for peer configs matching 50.50.50.45[%any]...100.100.100.123[10.0.1.250]
charon: 14[CFG] no matching peer config found
charon: 14[IKE] received ESP_TFC_PADDING_NOT_SUPPORTED, not using ESPv3 TFC padding
charon: 14[ENC] generating IKE_AUTH response 1 [ N(AUTH_FAILED) ]
charon: 14[NET] sending packet: from 50.50.50.45[4500] to 100.100.100.123[4500] (96 bytes)
...

强天鹅侧

/etc/ipsec.conf：

config setup
        charondebug="all"
        uniqueids=yes
conn deb-to-neb
        type=tunnel
        auto=start
        keyexchange=ikev2
        authby=secret
        left=100.100.100.123
        leftsubnet=10.40.0.1/24
        right=50.50.50.45
        rightsubnet=10.1.0.1/16
        ike=aes256-sha512-modp1024!
        esp=aes256-sha512!
        aggressive=yes
        keyingtries=%forever
        ikelifetime=86400s
        lifetime=3600s
        dpdaction=restart

/etc/ipsec.secrets：

100.100.100.123 50.50.50.45 : PSK "MySuperSecret"
50.50.50.45 100.100.100.123 : PSK "MySuperSecret"

星云侧

屏幕星云配置

• 阶段1
  • IKE 版本：IKEv2
  • 加密：AES256
  • 身份验证：SHA512
  • 迪菲-赫尔曼集团：DH2
  • 寿命（秒）：86400
• 第 2 阶段（第 1 组）
  • 加密：AES256
  • 身份验证：SHA512
  • PFS 组 : DH2
  • 寿命（秒）：3600