Nginx支持單IP多域名SSL證書需要OpenSSL支持，由于CentOS5.X系統自帶的OpenSSL版本太低不支持，所以首先需要編譯安裝一個高版本的openssl，CentOS 6.X的系統自帶的openssl版本大于0.98以上，一般編譯好的nginx都是支持的。

檢查nginx是否支持TLS SNI support：

/usr/local/nginx/sbin/nginx -V

nginx version: nginx/1.10.2

TLS SNI support disabled

configure arguments: --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module

TLS SNI support disabled 這樣是不支持的。

查看openssl的版本：[root@localhost?~]#?openssl?version?-a

OpenSSL?0.9.8e-fips-rhel5?01?Jul?2008

built?on:?Tue?May?31?06:58:30?CDT?2016

platform:?linux-x86_64

options:??bn(64,64)?md2(int)?rc4(ptr,int)?des(idx,cisc,16,int)?blowfish(ptr2)

compiler:?gcc?-fPIC?-DOPENSSL_PIC?-DZLIB?-DOPENSSL_THREADS?-D_REENTRANT?-DDSO_DLFCN?-DHAVE_DLFCN_H?-DKRB5_MIT?-I/usr/kerberos/include?-DL_ENDIAN?-DTERMIO?-Wall?-DMD32_REG_T=int?-O2?-g?-pipe?-Wall?-Wp,-D_FORTIFY_SOURCE=2?-fexceptions?-fstack-protector?--param=ssp-buffer-size=4?-m64?-mtune=generic?-Wa,--noexecstack?-DOPENSSL_USE_NEW_FUNCTIONS?-fno-strict-aliasing?-DOPENSSL_BN_ASM_MONT?-DSHA1_ASM?-DSHA256_ASM?-DSHA512_ASM?-DMD5_ASM?-DAES_ASM

OPENSSLDIR:?"/etc/pki/tls"

engines:??dynamic

下面開始升級openssl：

wget ftp://ftp.openssl.org/source/openssl-1.0.2h.tar.gz

tar xzvf openssl-1.0.2h.tar.gz

cd openssl-1.0.2h

./config --prefix=/usr/local/openssl/ enable-shared enable-tlsext

make && make install

檢查openssl的版本：[root@localhost?~]#?/usr/local/openssl/bin/openssl?version?-a

OpenSSL?1.0.2h??21?Dec?2016

built?on:?reproducible?build,?date?unspecified

platform:?linux-x86_64

options:??bn(64,64)?rc4(16x,int)?des(idx,cisc,16,int)?idea(int)?blowfish(idx)

compiler:?gcc?-I.?-I..?-I../include??-fPIC?-DOPENSSL_PIC?-DOPENSSL_THREADS?-D_REENTRANT?-DDSO_DLFCN?-DHAVE_DLFCN_H?-fPIC?-Wa,--noexecstack?-m64?-DL_ENDIAN?-O3?-Wall?-DOPENSSL_IA32_SSE2?-DOPENSSL_BN_ASM_MONT?-DOPENSSL_BN_ASM_MONT5?-DOPENSSL_BN_ASM_GF2m?-DSHA1_ASM?-DSHA256_ASM?-DSHA512_ASM?-DMD5_ASM?-DAES_ASM?-DVPAES_ASM?-DBSAES_ASM?-DWHIRLPOOL_ASM?-DGHASH_ASM?-DECP_NISTZ256_ASM

OPENSSLDIR:?"/usr/local/openssl/ssl"

編譯nginx：wget?http://nginx.org/download/nginx-1.10.2.tar.gz

tar?xzvf?nginx-1.10.2.tar.gz

cd?nginx-1.10.2/

./configure?--user=www?--group=www?--prefix=/usr/local/nginx?--with-openssl=/usr/local/openssl?--with-http_stub_status_module?--with-http_ssl_module?--with-http_v2_module

make?&&?make?install

檢查現在是否支持TLS SNI support：[root@localhost?~]#?/usr/local/nginx/sbin/nginx?-V

nginx?version:?nginx/1.10.2

built?by?gcc?4.1.2?20080704?(Red?Hat?4.1.2-55)

built?with?OpenSSL?1.0.2h??21?Dec?2016

TLS?SNI?support?enabled

configure?arguments:?--user=www?--group=www?--prefix=/usr/local/nginx?--with-openssl=/usr/local/openssl?--with-http_stub_status_module?--with-http_ssl_module?--with-http_v2_module

TLS SNI support enabled 現在已經支持了，再添加幾個https的站點都正常了。

超強干貨來襲 云風專訪：近40年碼齡，通宵達旦的技術人生

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