id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	uname	nginx_version
2330	"nginx does not choose the right certificate (with ""IP"" server block)"	kailifeforge@…		"I am bashed by a strange problem that nginx seems always choose the certificate in the ""default_server"" block when I connect to server with IP.

The config file to reproduce this problem is attached as ""9443ssl.conf"".
I test with the following commands:
{{{
curl -k -vvv https://127.0.0.1:9443
curl -k -vvv https://192.168.1.77:9443
curl -k -vvv https://example.com:9443
}}}

The results of each command are also attached.

Except the command to ""example.com"", the other 2 commands both returns with the certificate in ""default_server"" block. (The corresponding certificates of the 2 IPs and example.com are all from Let's Encrypt)

p.s.1 192.168.1.77 is the LAN IP of my test machine.
p.s.2 I register ""example.com"" as 127.0.0.1 in /etc/hosts
p.s.3 some fields in result file are marked."	defect	closed	minor		nginx-core		invalid			Linux a-test-server 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb 23 16:47:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux	"nginx version: nginx/1.21.6
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC) 
built with OpenSSL 1.0.2k-fips  26 Jan 2017
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib64/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-compat --with-file-aio --with-threads --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_flv_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_mp4_module --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module --with-cc-opt='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC' --with-ld-opt='-Wl,-z,relro -Wl,-z,now -pie'"