总是得到一个403禁止错误

我在客户端的服务器（其他人设置）上收到了403 Forbidden错误。 我在CentOS上使用Apache。 由于其他人设置了服务器，并且由于服务器是CentOS而不是我习惯的Ubuntu，所以我不知道如何解决这个问题。

有关如何解决此问题的任何build议？

编辑：在日志中，我不断得到这一系列的通知/警告：

[Mon Feb 06 09:45:43 2012] [notice] caught SIGTERM, shutting down [Mon Feb 06 09:45:44 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec) [Mon Feb 06 09:45:44 2012] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!? [Mon Feb 06 09:45:44 2012] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!? [Mon Feb 06 09:45:44 2012] [warn] Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366) [Mon Feb 06 09:45:44 2012] [notice] Digest: generating secret for digest authentication ... [Mon Feb 06 09:45:44 2012] [notice] Digest: done [Mon Feb 06 09:45:44 2012] [notice] mod_bw : Memory Allocated 0 bytes (each conf takes 32 bytes) [Mon Feb 06 09:45:44 2012] [notice] mod_bw : Version 0.8 - Initialized [0 Confs] [Mon Feb 06 09:45:44 2012] [notice] mod_python: Creating 4 session mutexes based on 50 max processes and 0 max threads. [Mon Feb 06 09:45:44 2012] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!? [Mon Feb 06 09:45:44 2012] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!? [Mon Feb 06 09:45:44 2012] [warn] Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366) [Mon Feb 06 09:45:44 2012] [notice] Apache/2.2.19 (Unix) DAV/2 mod_fcgid/2.3.6 mod_python/3.2.8 Python/2.4.3 mod_ssl/2.2.19 OpenSSL/0.9.8f mod_perl/2.0.4 Perl/v5.8.8 configured -- resuming normal operations 

编辑2：这是我的VirtualHost东西：

• 如何设置Ubuntu的WordPress的和保持安全？
• 我试图在Ubuntu服务器上使用apache 2.x在新的VPS上设置2个虚拟主机
• 服务器响应时间和域名parsing
• 如何查看tcpsndbuf上导致failcnt的原因
• 如何限制Apache响应超时？

 <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /var/www/html </VirtualHost>