nginx 代理服务器配置双向证书验证的方法

绝代码农

生成证书链
用脚本生成一个根证书, 一个中间证书(intermediate), 三个客户端证书.
脚本来源于(有修改)
https://stackoverflow.com/questions/26759550/how-to-create-own-self-signed-root-certificate-and-intermediate-ca-to-be-importe
中间证书的域名为 localhost.

#!/bin/bash -x
 
set -e
 
for C in `echo root-ca intermediate`; do
 
 mkdir $C
 cd $C
 mkdir certs crl newcerts private
 cd ..
 
 echo 1000 > $C/serial
 touch $C/index.txt $C/index.txt.attr
 
 echo '
[ ca ]
default_ca = CA_default
[ CA_default ]
dir    = '$C'  # Where everything is kept
certs   = $dir/certs    # Where the issued certs are kept
crl_dir  = $dir/crl    # Where the issued crl are kept
database  = $dir/index.txt    # database index file.
new_certs_dir = $dir/newcerts    # default place for new certs.
certificate  = $dir/cacert.pem    # The CA certificate
serial   = $dir/serial    # The current serial number
crl    = $dir/crl.pem    # The current CRL
private_key  = $dir/private/ca.key.pem  # The private key
RANDFILE  = $dir/.rnd   # private random number file
nameopt  = default_ca
certopt  = default_ca
policy   = policy_match
default_days  = 365
default_md   = sha256
 
[ policy_match ]
countryName    = optional
stateOrProvinceName  = optional
organizationName  = optional
organizationalUnitName = optional
commonName     = supplied
emailAddress    = optional
 
[req]
req_extensions = v3_req
distinguished_name = req_distinguished_name
 
[req_distinguished_name]
 
[v3_req]
basicConstraints = CA:TRUE
' > $C/openssl.conf
done
 
openssl genrsa -out root-ca/private/ca.key 2048
openssl req -config root-ca/openssl.conf -new -x509 -days 3650 -key root-ca/private/ca.key -sha256 -extensions v3_req -out root-ca/certs/ca.crt -subj '/CN=Root-ca'
 
openssl genrsa -out intermediate/private/intermediate.key 2048
openssl req -config intermediate/openssl.conf -sha256 -new -key intermediate/private/intermediate.key -out intermediate/certs/intermediate.csr -subj '/CN=localhost.'
openssl ca -batch -config root-ca/openssl.conf -keyfile root-ca/private/ca.key -cert root-ca/certs/ca.crt -extensions v3_req -notext -md sha256 -in intermediate/certs/intermediate.csr -out intermediate/certs/intermediate.crt
 
mkdir out
 
for I in `seq 1 3` ; do
 openssl req -new -keyout out/$I.key -out out/$I.request -days 365 -nodes -subj "/CN=$I.example.com" -newkey rsa:2048
 openssl ca -batch -config root-ca/openssl.conf -keyfile intermediate/private/intermediate.key -cert intermediate/certs/intermediate.crt -out out/$I.crt -infiles out/$I.request
done

服务器
nginx 配置

worker_processes 1;
 
events {
  worker_connections 1024;
}
 
stream{
  upstream backend{
  server 127.0.0.1:8080;
  }
 
  server {
  listen 8888 ssl;
  proxy_pass backend;
  ssl_certificate   intermediate.crt;
  ssl_certificate_key intermediate.key;
  ssl_verify_depth 2;
  ssl_client_certificate root.crt;
  ssl_verify_client optional_no_ca;
  }
}

客户端

curl \
 -I \
 -vv \
 -x https://localhost:8888/ \
 --proxy-cert client1.crt \
 --proxy-key client1.key \
 --proxy-cacert ca.crt \
 https://www.baidu.com/

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://segmentfault.com/a/1190000018078828