nginx 代理伺服器配置雙向證書驗證

李毅發表於2019-01-19
Nginx伺服器

生成證照鏈

用指令碼生成一個根證照, 一箇中間證照(intermediate), 三個客戶端證照.

指令碼來源於(有修改)
https://stackoverflow.com/que…

中間證照的域名為 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

伺服器

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;
    }
}

客戶端

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

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