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Curl和file_get_contents都无法通过hosts文件中设置的域名找到服务器

curl and file_get_contents both cannot find server by domain name set in hosts file

本文关键字：设置 文件 服务器 hosts 域名 get file contents Curl | 更新日期: 2023-09-27

在PHP服务器和客户端我在/etc/hosts:

192.168.1.111    my-fake-domain-name.com

PHP服务器是那个框(192.168.1.111)。但是当我使用curl或file_get_contents从别名(my-fake-domain-name.com)获得任何东西时，它总是返回403错误。如果我使用ip地址，一切工作正常。如何让这些程序识别别名?

//These do NOT work
file_get_contents( "http://my-fake-domain-name.com" );
curl_setopt($ch, CURLOPT_URL, "http://my-fake-domain-name.com" );
//These DO work
file_get_contents( "http://192.168.1.111" );
curl_setopt($ch, CURLOPT_URL, "http://192.168.1.111" );

EDIT:在命令行使用curl可以使用别名。只有在PHP中，它似乎不起作用。

**编辑:添加配置文件和我使用的操作系统**

OS: CentOS 6.5 Server

httpd . conf 

ServerTokens Prod
ServerRoot "/etc/httpd"
PidFile run/httpd.pid
Timeout 60
KeepAlive Off
MaxKeepAliveRequests 100
KeepAliveTimeout 15
<IfModule prefork.c>
StartServers       8
MinSpareServers    12
MaxSpareServers    24
ServerLimit        24
MaxClients         24
MaxRequestsPerChild  4000
</IfModule>
<IfModule worker.c>
StartServers         4
MaxClients         300
MinSpareThreads     25
MaxSpareThreads     75 
ThreadsPerChild     25
MaxRequestsPerChild  0
</IfModule>
Listen 80
Listen 443
LoadModule auth_digest_module modules/mod_auth_digest.so
LoadModule authz_host_module modules/mod_authz_host.so
LoadModule authz_owner_module modules/mod_authz_owner.so
LoadModule authz_groupfile_module modules/mod_authz_groupfile.so
LoadModule authz_dbm_module modules/mod_authz_dbm.so
LoadModule authz_default_module modules/mod_authz_default.so
LoadModule ldap_module modules/mod_ldap.so
LoadModule authnz_ldap_module modules/mod_authnz_ldap.so
LoadModule include_module modules/mod_include.so
LoadModule log_config_module modules/mod_log_config.so
LoadModule logio_module modules/mod_logio.so
LoadModule env_module modules/mod_env.so
LoadModule ext_filter_module modules/mod_ext_filter.so
LoadModule mime_magic_module modules/mod_mime_magic.so
LoadModule expires_module modules/mod_expires.so
LoadModule deflate_module modules/mod_deflate.so
LoadModule headers_module modules/mod_headers.so
LoadModule usertrack_module modules/mod_usertrack.so
LoadModule setenvif_module modules/mod_setenvif.so
LoadModule mime_module modules/mod_mime.so
LoadModule dav_module modules/mod_dav.so
LoadModule status_module modules/mod_status.so
LoadModule autoindex_module modules/mod_autoindex.so
LoadModule info_module modules/mod_info.so
LoadModule dav_fs_module modules/mod_dav_fs.so
LoadModule vhost_alias_module modules/mod_vhost_alias.so
LoadModule negotiation_module modules/mod_negotiation.so
LoadModule dir_module modules/mod_dir.so
LoadModule actions_module modules/mod_actions.so
LoadModule speling_module modules/mod_speling.so
LoadModule alias_module modules/mod_alias.so
LoadModule substitute_module modules/mod_substitute.so
LoadModule rewrite_module modules/mod_rewrite.so
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_balancer_module modules/mod_proxy_balancer.so
LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule proxy_connect_module modules/mod_proxy_connect.so
LoadModule cache_module modules/mod_cache.so
LoadModule suexec_module modules/mod_suexec.so
LoadModule disk_cache_module modules/mod_disk_cache.so
LoadModule cgi_module modules/mod_cgi.so
LoadModule version_module modules/mod_version.so

Include conf.d/*.conf

User apache
Group apache

ServerAdmin root@localhost
ServerName localhost
UseCanonicalName Off
DocumentRoot "/var/www/public_html"
<IfModule mod_cache.c>
    <IfModule mod_disk_cache.c>
      #CacheEnable disk /
      #CacheRoot /webaps/cache/app1
      #CacheDefaultExpire 3600
      #CacheDisable /wp-admin
      #CacheDirLevels 3
      #CacheDirLength 5
      #CacheIgnoreCacheControl On
      #CacheMaxFileSize 1000000000
      #CacheIgnoreNoLastMod On
      #CacheMaxExpire 1209600
    </IfModule>
</IfModule>
<Directory />
    Options FollowSymLinks
    AllowOverride None
</Directory>
<Directory "/var/www/public_html/wp-content/plugins">
    AllowOverride All
</Directory>
<Directory "/var/www/public_html">
    Options FollowSymLinks
    AllowOverride None
    RewriteEngine On
    RewriteBase /
    RewriteRule ^index'.php$ - [L]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule . /index.php [L]
    Order deny,allow
    deny from all
    Allow from 192.168.1
</Directory>
<IfModule mod_userdir.c>
    #
    # UserDir is disabled by default since it can confirm the presence
    # of a username on the system (depending on home directory
    # permissions).
    #
    UserDir disabled
    #
    # To enable requests to /~user/ to serve the user's public_html
    # directory, remove the "UserDir disabled" line above, and uncomment
    # the following line instead:
    # 
    #UserDir public_html
</IfModule>

DirectoryIndex index.html index.html.var
AccessFileName .htaccess
<Files ~ "^'.ht">
    Order allow,deny
    Deny from all
    Satisfy All
</Files>
TypesConfig /etc/mime.types
DefaultType text/plain
<IfModule mod_mime_magic.c>
    MIMEMagicFile conf/magic
</IfModule>
HostnameLookups Off

ErrorLog /webaps/logs/app1/error_log
LogLevel warn
LogFormat "%h %l %u %t '"%r'" %>s %b '"%{Referer}i'" '"%{User-Agent}i'"" combined
LogFormat "%h %l %u %t '"%r'" %>s %b" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent
CustomLog /webaps/logs/app1/access_log combined
ServerSignature Off
Alias /icons/ "/var/www/icons/"
<Directory "/var/www/icons">
    Options Indexes MultiViews FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
</Directory>
<IfModule mod_dav_fs.c>
    # Location of the WebDAV lock database.
    DAVLockDB /var/lib/dav/lockdb
</IfModule>
ScriptAlias /cgi-bin/ "/var/www/cgi-bin/"
<Directory "/var/www/cgi-bin">
    AllowOverride None
    Options None
    Order allow,deny
    Allow from all
</Directory>
IndexOptions FancyIndexing VersionSort NameWidth=* HTMLTable Charset=UTF-8
AddIconByEncoding (CMP,/icons/compressed.gif) x-compress x-gzip
AddIconByType (TXT,/icons/text.gif) text/*
AddIconByType (IMG,/icons/image2.gif) image/*
AddIconByType (SND,/icons/sound2.gif) audio/*
AddIconByType (VID,/icons/movie.gif) video/*
AddIcon /icons/binary.gif .bin .exe
AddIcon /icons/binhex.gif .hqx
AddIcon /icons/tar.gif .tar
AddIcon /icons/world2.gif .wrl .wrl.gz .vrml .vrm .iv
AddIcon /icons/compressed.gif .Z .z .tgz .gz .zip
AddIcon /icons/a.gif .ps .ai .eps
AddIcon /icons/layout.gif .html .shtml .htm .pdf
AddIcon /icons/text.gif .txt
AddIcon /icons/c.gif .c
AddIcon /icons/p.gif .pl .py
AddIcon /icons/f.gif .for
AddIcon /icons/dvi.gif .dvi
AddIcon /icons/uuencoded.gif .uu
AddIcon /icons/script.gif .conf .sh .shar .csh .ksh .tcl
AddIcon /icons/tex.gif .tex
AddIcon /icons/bomb.gif core
AddIcon /icons/back.gif ..
AddIcon /icons/hand.right.gif README
AddIcon /icons/folder.gif ^^DIRECTORY^^
AddIcon /icons/blank.gif ^^BLANKICON^^
DefaultIcon /icons/unknown.gif

ReadmeName README.html
HeaderName HEADER.html
IndexIgnore .??* *~ *# HEADER* README* RCS CVS *,v *,t
AddLanguage ca .ca
AddLanguage cs .cz .cs
AddLanguage da .dk
AddLanguage de .de
AddLanguage el .el
AddLanguage en .en
AddLanguage eo .eo
AddLanguage es .es
AddLanguage et .et
AddLanguage fr .fr
AddLanguage he .he
AddLanguage hr .hr
AddLanguage it .it
AddLanguage ja .ja
AddLanguage ko .ko
AddLanguage ltz .ltz
AddLanguage nl .nl
AddLanguage nn .nn
AddLanguage no .no
AddLanguage pl .po
AddLanguage pt .pt
AddLanguage pt-BR .pt-br
AddLanguage ru .ru
AddLanguage sv .sv
AddLanguage zh-CN .zh-cn
AddLanguage zh-TW .zh-tw
LanguagePriority en ca cs da de el eo es et fr he hr it ja ko ltz nl nn no pl pt pt-BR ru sv zh-CN zh-TW
ForceLanguagePriority Prefer Fallback
AddDefaultCharset UTF-8

AddType application/x-compress .Z
AddType application/x-gzip .gz .tgz
AddType application/x-x509-ca-cert .crt
AddType application/x-pkcs7-crl    .crl

AddHandler type-map var
AddType text/html .shtml
AddOutputFilter INCLUDES .shtml


Alias /error/ "/var/www/error/"
<IfModule mod_negotiation.c>
<IfModule mod_include.c>
    <Directory "/var/www/error">
    AllowOverride None
    Options IncludesNoExec
    AddOutputFilter Includes html
    AddHandler type-map var
    Order allow,deny
    Allow from all
    LanguagePriority en es de fr
    ForceLanguagePriority Prefer Fallback
    </Directory>

</IfModule>
</IfModule>
BrowserMatch "Mozilla/2" nokeepalive
BrowserMatch "MSIE 4'.0b2;" nokeepalive downgrade-1.0 force-response-1.0
BrowserMatch "RealPlayer 4'.0" force-response-1.0
BrowserMatch "Java/1'.0" force-response-1.0
BrowserMatch "JDK/1'.0" force-response-1.0
BrowserMatch "Microsoft Data Access Internet Publishing Provider" redirect-carefully
BrowserMatch "MS FrontPage" redirect-carefully
BrowserMatch "^WebDrive" redirect-carefully
BrowserMatch "^WebDAVFS/1.[0123]" redirect-carefully
BrowserMatch "^gnome-vfs/1.0" redirect-carefully
BrowserMatch "^XML Spy" redirect-carefully
BrowserMatch "^Dreamweaver-WebDAV-SCM1" redirect-carefully
NameVirtualHost *:80
NameVirtualHost *:443

<VirtualHost *:80>
    SSLEngine Off
            ServerName my-fake-domain-name.com
</VirtualHost>

curl -I对该域的输出是什么?这将向您显示标题和可能的解释。像这样运行:

curl -I my-fake-domain-name.com

在my-fake-domain-name.com服务器上的web服务器(我假设Apache?)日志中显示了什么?这些日志应该位于:

/var/log/apache2/access.log
/var/log/apache2/error.log

您可以使用tail跟踪它们的输出，如下所示:

sudo tail -f -n 200 /var/log/apache2/access.log
sudo tail -f -n 200 /var/log/apache2/error.log

这些路径是基于标准的Ubuntu 12.04安装的，但对于CentOS应该是相同的。无论你使用的是什么Linux版本

假设服务器上运行的是Apache，您是否有基于Apache名称的虚拟主机?这可能是你获得192.168.1.111的成功，因为这是Apache的默认配置返回数据，但是你有一个基于Apache名称的虚拟主机配置在my-fake-domain-name.com的位置，Apache配置被破坏，它可能导致403: Forbidden错误。

EDIT:由于评论中的原始海报表明问题可能与PHP代码本身有关，因此PHP代码本身可能存在可能导致403的错误。也许.htaccess也相关?

另一个编辑:在您的评论中，您说您的ServerAlias设置如下:

ServerAlias my-fake-domain-name.com

但你似乎错过了ServerName:

ServerName my-fake-domain-name.com
这是一个伪代码的例子，我将如何设置一个虚拟主机，像这样: 
<VirtualHost *:80>
  DocumentRoot /var/www/my-fake-domain-name.com/site/
  ServerName my-fake-domain-name.com
  ServerAlias my-fake-domain-name.com
  ErrorLog /var/log/apache2/my-fake-domain-name.com.error.log
  CustomLog /var/log/apache2/my-fake-domain-name.coml.access.log combined
</VirtualHost>

我们需要知道这个虚拟主机条目的Apache配置是什么样的。你需要确保你有

NameVirtualHost 192.168.1.111:80

和

<VirtualHost 192.168.1.111:80>

在你的配置，然后你可以把它作为ServerName或ServerAlias，但没有看到你的配置，我没有办法告诉你什么是错的。您必须有服务器名。例如，您将使用ServerName mydomain.com，然后在ServerAlias下使用ServerAlias www.mydomain.com subdomain.mydomain.com…不知道为什么要用别名除非你已经有了域名使用IP

添加以下内容，使curl和file_get_contents都能够到达web服务器:

<Directory "/var/www/public_html">
    Allow from all
</Directory>

这需要添加到:80和:443虚拟主机声明中。

注意:我不知道为什么这是需要的，因为我以前有Allow from 192.168.1和这个服务器是在

从你上次的评论，一旦你改变访问Allow from all，解决了你的问题。

我已经见过几次了，但是你可以尝试添加一个末尾句号:

Order deny,allow
deny from all
Allow from 192.168.1.

注意IP

末尾的.

你也可以尝试使用CIDR符号:

Order deny,allow
deny from all
Allow from 192.168.1.0/24

或者直接使用完整子网:

Order deny,allow
deny from all
Allow from 192.168.1.0/255.255.255.0
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