在使用寶塔建設多個網站時，如果建兩個網站A開啟SSL證書，網站B未開啟SSL證書當用https訪問網站B的時候會強制跳轉到網站A。雖然網站B沒有開始https，但是搜索引擎會收錄https開頭的網站B，但實際收錄的內容是網站A的內容，這樣會造成大量A網站的重復頁面，不利於優化。
官方的說明是：在未指定SSL默認站點時,未開啟SSL的站點使用HTTPS會直接訪問到已開啟SSL的站點，但是實際情況設置了指定了默認站點，網站還是會跳轉到開啟ssl的網站，有種辦法是網站配置監聽443端口返回403，這里給大家帶來另一種方法。
這里以Nginx環境為例：
實現方法就是新建一個開啟SSL不能訪問的網站，設置成默認站點。
第一步
創建一個站點，域名隨便一個亂也一個二級域名就行，比如 sldkgda.acd.com ,域名不需要解析亂填一個就行。
第二步
刪除新建站點的默認的文件
默認站點根目錄有一個index.html，把它刪除。
第三步開啟SSL
不需要申請SSL證書，隨便填寫一個證書就行，這里給大家一個過期的證書，目的是未了開啟SSL證書隨便弄個就行。
.key文件代碼：
-----BEGIN RSA PRIVATE KEY----- MIIEpAIBAAKCAQEAlcZJiGVMbbzrWzkmhBJxjoMbFSSCtLzcY0poxwTxyxzd2pw1 45OIV9WllYNTotQyOheiJEN9hGgU/qjIRpKg/1KrSnxsykYwevMjsyM/Rs3W7MRr EGjCqr9VfWCnC/mOhwrSeEtL76DaMTpYIYIVemK+W+BajKD5nNekjs6567phMFbm Bsqil3hXWE31GyIaYwQqbMWI1gCSX/Tvh3dmt2dVE2/7q4soZPVSlNqEq92UENqR 6k3aQS+PoKOBj9b4Y1wtveL0bNOHqi4e7iXtucPnlWLlrpylm1ybm9Q0AUm4X0N0 k1XFB8hyOWHH0SgczbKbbHfaJEWi7kDVsUCL1wIDAQABAoIBAQCKUzJwbRX0N8mq W5Lt4VbNRtqJYUnyAIcOkJdKT4+8hfGDyEeg4g3HCUM/XaWtuYqVymPuWAKhebsC IwGs5BkbFc+rIFUdT0vREaND++ahztOToig7ZHV9Wu5quAwvbBEtOVp+zRPZwVYi pv7kG48Yk/+5PPCD9tvx9ds+JUDiqrD9jEEz8WfxziFeCeO/HsjDJwKN363qGNCh lvvslAZXyRmdyWGywCG5DWpyjGj54OxCMp7R0nsrCrnRQz333i+NhjWCODvusw1l tPO47Fn80D9UQUNo4ep51HaBJ66iuB9Sgui18Gi7o3DiJ9myqzZq4GMkTeApQra5 IOM+vug5AoGBAPfDLxwVc/YjltVCSiw06gEKwjYuzI/FjVDmpn9OObP4F2HWSXom W/4A5LIjzJZSLeYU0Strr/gZ94OiC2EqqpTZrzIPzpQYeIIjBc2Vdhq3EURaKDS4 3i03Y/F139/tnn2T8nA9CY4vaJ4JWkVXSFP6SOvreGtlH4YAvh/IgmDbAoGBAJrB Fb4XPa172EHpKwoxzXcEIiy6T5glVAjcLEl91NCjW4h5QHoz31tYxYRPrg3b6McM UiTN2NWfhytFlzZFEhnAOHfel98QJFeMOz9MszZlIV/OdvevcIo2+3NSmJ7lMint rimkX8TIi/dE2SALZ12SxzZ6QX/7O+L5wKEPJoO1AoGAX+VmGIKdLYm82bIcr1uT ru+RGBOpDYSzG7sKen+2idfehPnB2st6E6gY3HJKv2vzY/hutVWq+GZkjMhtiyBO gep3ivLfTCbkjcosdtQAsHpm7oPOyAk9xVaJEm5DRpLcI1LeJV8akbP71B9elzQf RJG9I8MyCq9LMjybWgXroL0CgYA7bDr6FBiF3hErNepl7ruzoK2yuRPJG0RKZqjG y3+FYcTLAawlgHeartqhNKtj/PZEQFHmefhyBuCzV/R5TUpnAu1r8dglOiCKUXmK k9wY3fpTvIboEsDHAdfJ74RVNzLs8Kw4pzpy6IL+PryU1mwpfSvrmkQ+bW0QedBi x9uFJQKBgQDkSWP5fuTDV/W7sOwZAplXWydu+9wM43fb76ycdK3NMkODLFpG5qr/ 2kIUcyeS/SlJPwwHF2XpzsNbqUK2urDy0y1sgriOSdh/mPgvWU0L/rcU25mi6ao1 aXa4mmLTeP7b+fSpU+FA4jlo/+X2Nw3nMa77S0M4ucDOPF+craFiMA== -----END RSA PRIVATE KEY-----
.pem文件代碼：
-----BEGIN CERTIFICATE----- MIIFfzCCBGegAwIBAgIQCWJ4ZNU3PH/Dxidtj6DcfzANBgkqhkiG9w0BAQsFADBu MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 d3cuZGlnaWNlcnQuY29tMS0wKwYDVQQDEyRFbmNyeXB0aW9uIEV2ZXJ5d2hlcmUg RFYgVExTIENBIC0gRzEwHhcNMTgwODI5MDAwMDAwWhcNMTkwODI5MTIwMDAwWjAV MRMwEQYDVQQDEwppLjE4MDI4LmNuMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAlcZJiGVMbbzrWzkmhBJxjoMbFSSCtLzcY0poxwTxyxzd2pw145OIV9Wl lYNTotQyOheiJEN9hGgU/qjIRpKg/1KrSnxsykYwevMjsyM/Rs3W7MRrEGjCqr9V fWCnC/mOhwrSeEtL76DaMTpYIYIVemK+W+BajKD5nNekjs6567phMFbmBsqil3hX WE31GyIaYwQqbMWI1gCSX/Tvh3dmt2dVE2/7q4soZPVSlNqEq92UENqR6k3aQS+P oKOBj9b4Y1wtveL0bNOHqi4e7iXtucPnlWLlrpylm1ybm9Q0AUm4X0N0k1XFB8hy OWHH0SgczbKbbHfaJEWi7kDVsUCL1wIDAQABo4ICcDCCAmwwHwYDVR0jBBgwFoAU VXRPsnJP9WC6UNHX5lFcmgGHGtcwHQYDVR0OBBYEFI8zIU+zoVoBaUyOUL2ixwKA I6+3MBUGA1UdEQQOMAyCCmkuMTgwMjguY24wDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBMBgNVHSAERTBDMDcGCWCGSAGG/WwB AjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3d3dy5kaWdpY2VydC5jb20vQ1BTMAgG BmeBDAECATCBgQYIKwYBBQUHAQEEdTBzMCUGCCsGAQUFBzABhhlodHRwOi8vb2Nz cDIuZGlnaWNlcnQuY29tMEoGCCsGAQUFBzAChj5odHRwOi8vY2FjZXJ0cy5kaWdp Y2VydC5jb20vRW5jcnlwdGlvbkV2ZXJ5d2hlcmVEVlRMU0NBLUcxLmNydDAJBgNV HRMEAjAAMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYApLkJkLQYWBSHuxOizGdw Cjw1mAT5G9+443fNDsgN3BAAAAFlhKJeAQAABAMARzBFAiEA1D+C2NxHKywhBvxc r/T8ibXcegayrSMUFQdACqdP62cCIB80+ey+9mkrLb7BRsTBbSI3NOLrViXKXI8c eUeXPOpOAHcAh3W/51l8+IxDmV+9827/Vo1HVjb/SrVgwbTq/16ggw8AAAFlhKJe kgAABAMASDBGAiEA2gOXHEtaVclq8EeIHhXoxzUoFDMljhg8tdcT89FPkQACIQD8 dV0WEmsXa+Hmj/MAjqXMeJMkoR55xa08L3uD5FptQTANBgkqhkiG9w0BAQsFAAOC AQEAVcFjxDMmbeOk1DHgMAsU11Uu5/5U9/uD25VXfZHkYfROcD9tv0rxVKRckZBU Q5EPLgp93o/P5xv4XKlpjEEDaBqddXXkzQ3WvXtQ4g5BH5JbII/SOckaYmpFexls 8X7PIGzE7bwm003Hu8kf/Fy0elsex1DnYoXw5xD84tcDhQzm0WXVTKZVBqqQKDBA 9F9YytGsVkVDMDBivGsHH20sAl2P+2RCt5ZCHzZhDUcHZSQoe3ehv6SYBY5XYd6X 5idsqhxuhGmVFeBXcjuWmrb6pQf9R++2ui09sS0Av6qMTErxGi6WAjIvXKO0eszB sf2F4TP7LeDaKDRfaGvMuiuc+A== -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIIEqjCCA5KgAwIBAgIQAnmsRYvBskWr+YBTzSybsTANBgkqhkiG9w0BAQsFADBh MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD QTAeFw0xNzExMjcxMjQ2MTBaFw0yNzExMjcxMjQ2MTBaMG4xCzAJBgNVBAYTAlVT MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j b20xLTArBgNVBAMTJEVuY3J5cHRpb24gRXZlcnl3aGVyZSBEViBUTFMgQ0EgLSBH MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALPeP6wkab41dyQh6mKc oHqt3jRIxW5MDvf9QyiOR7VfFwK656es0UFiIb74N9pRntzF1UgYzDGu3ppZVMdo lbxhm6dWS9OK/lFehKNT0OYI9aqk6F+U7cA6jxSC+iDBPXwdF4rs3KRyp3aQn6pj pp1yr7IB6Y4zv72Ee/PlZ/6rK6InC6WpK0nPVOYR7n9iDuPe1E4IxUMBH/T33+3h yuH3dvfgiWUOUkjdpMbyxX+XNle5uEIiyBsi4IvbcTCh8ruifCIi5mDXkZrnMT8n wfYCV6v6kDdXkbgGRLKsR4pucbJtbKqIkUGxuZI2t7pfewKRc5nWecvDBZf3+p1M pA8CAwEAAaOCAU8wggFLMB0GA1UdDgQWBBRVdE+yck/1YLpQ0dfmUVyaAYca1zAf BgNVHSMEGDAWgBQD3lA1VtFMu2bwo+IbG8OXsj3RVTAOBgNVHQ8BAf8EBAMCAYYw HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMBIGA1UdEwEB/wQIMAYBAf8C AQAwNAYIKwYBBQUHAQEEKDAmMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdp Y2VydC5jb20wQgYDVR0fBDswOTA3oDWgM4YxaHR0cDovL2NybDMuZGlnaWNlcnQu Y29tL0RpZ2lDZXJ0R2xvYmFsUm9vdENBLmNybDBMBgNVHSAERTBDMDcGCWCGSAGG /WwBAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3d3dy5kaWdpY2VydC5jb20vQ1BT MAgGBmeBDAECATANBgkqhkiG9w0BAQsFAAOCAQEAK3Gp6/aGq7aBZsxf/oQ+TD/B SwW3AU4ETK+GQf2kFzYZkby5SFrHdPomunx2HBzViUchGoofGgg7gHW0W3MlQAXW M0r5LUvStcr82QDWYNPaUy4taCQmyaJ+VB+6wxHstSigOlSNF2a6vg4rgexixeiV 4YSB03Yqp2t3TeZHM9ESfkus74nQyW7pRGezj+TC44xCagCQQOzzNmzEAP2SnCrJ sNE2DpRVMnL8J6xBRdjmOsC3N6cQuKuRXbzByVBjCqAA8t1L0I+9wXJerLPyErjy rMKWaBFLmfK/AHNF4ZihwPGOc7w6UHczBZXH5RFzJNnww+WnKuTPI0HfnVH8lg== -----END CERTIFICATE-----
把上邊的復制到寶塔網站設置SSL
填上之后點強制開始HTTPS
第四步，把新建的站點設置成默認站點。
設置完成后，在用https訪問不開SSL證書的站點就會不跳轉了，直接返回403錯誤了。
如果網站少，可以直接把所有網站都申請SSL證書，但對於很多個網站，使用這個方法還是不錯的。
鏈接：https://blog.ixiaowai.cn/qtjc/3137.html
來源：小歪博客
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