[root@easy-bounty-14 ~]# curl -v https://api.bt.cn
* About to connect() to api.bt.cn port 443 (#0)
* Trying 42.157.129.47...
* Connected to api.bt.cn (42.157.129.47) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
* CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
* SSL connection using TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
* Server certificate:
* subject: CN=*.bt.cn,OU=总务,O=广东堡塔安全技术有限公司,ST=广东省,C=CN
* start date: Aug 17 00:00:00 2021 GMT
* expire date: Sep 17 23:59:59 2022 GMT
* common name: *.bt.cn
* issuer: CN=sslTrus (RSA) OV CA,O=sslTrus,C=CN
> GET / HTTP/1.1
> User-Agent: curl/7.29.0
> Host: api.bt.cn
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx
< Date: Tue, 19 Apr 2022 08:02:47 GMT
< Content-Type: text/html; charset=utf-8
< Transfer-Encoding: chunked
< Connection: keep-alive
< Vary: Accept-Encoding
< Strict-Transport-Security: max-age=31536000
<
* Connection #0 to host api.bt.cn left intact
ok[root@easy-bounty-14 ~]# curl -v https://www.bt.cn
* About to connect() to www.bt.cn port 443 (#0)
* Trying 116.213.43.206...
* Connected to www.bt.cn (116.213.43.206) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
* CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
* SSL connection using TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
* Server certificate:
* subject: CN=*.bt.cn,OU=总务,O=广东堡塔安全技术有限公司,ST=广东省,C=CN
* start date: Aug 17 00:00:00 2021 GMT
* expire date: Sep 17 23:59:59 2022 GMT
* common name: *.bt.cn
* issuer: CN=sslTrus (RSA) OV CA,O=sslTrus,C=CN
> GET / HTTP/1.1
> User-Agent: curl/7.29.0
> Host: www.bt.cn
> Accept: */*
>
< HTTP/1.1 502 Bad Gateway
< Server: nginx
< Date: Tue, 19 Apr 2022 08:02:01 GMT
< Content-Type: text/html
< Content-Length: 150
< Connection: keep-alive
<
<html>
<head><title>502 Bad Gateway</title></head>
<body>
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx</center>
</body>
</html>
* Connection #0 to host www.bt.cn left intact
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