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server_nameÖ¸Áî

server_name£ºÓÃÀ´ÉèÖÃÐéÄâÖ÷»ú·þÎñÃû³Æ¡£

127.0.0.1 ¡¢ localhost ¡¢ÓòÃû[www.itcast.cn | www.itheima.com]

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ĬÈÏÖµ server_name "";
λÖà server

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server {
    listen 80;
    server_name www.itcast.cn www.itheima.cn;
    ...
}

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windows:C:\Windows\System32\drivers\etc

centos£º/etc/hosts

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vim /etc/hosts
127.0.0.1 www.itcast.cn
127.0.0.1 www.itheima.cn

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server_nameÖÐÖ§³ÖͨÅä·û"*",µ«ÐèҪעÒâµÄÊÇͨÅä·û²»ÄܳöÏÖÔÚÓòÃûµÄÖм䣬ֻÄܳöÏÖÔÚÊ׶λòβ¶Î£¬È磺

server {
    listen 80;
    server_name  *.itcast.cn    www.itheima.*;
    # www.itcast.cn abc.itcast.cn www.itheima.cn www.itheima.com
    ...
}

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server {
    listen 80;
    server_name  www.*.cn www.itheima.c*
    ...
}

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server{
        listen 80;
        server_name ~^www\.(\w+)\.com$;
        default_type text/plain;
        return 200 $1  $2 ..;
}

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server{
    listen 80;
    server_name ~^www\.\w+\.com$;
    default_type text/plain;
    return 200 'regex_success';
}

server{
    listen 80;
    server_name www.itheima.*;
    default_type text/plain;
    return 200 'wildcard_after_success';
}

server{
    listen 80;
    server_name *.itheima.com;
    default_type text/plain;
    return 200 'wildcard_before_success';
}

server{
    listen 80;
    server_name www.itheima.com;
    default_type text/plain;
    return 200 'exact_success';
}

server{
    listen 80 default_server;
    server_name _;
    default_type text/plain;
    return 444 'default_server not found server';
}

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exact_success
wildcard_before_success
wildcard_after_success
regex_success
default_server not found server!!

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