我的 SSL 突然停止为我的网站提供服务。这可能是因为我在服务器上安装了 nginx，然后使用 apt-get purge nginx* 卸载了它
大约 30 分钟的时间里，它为页面提供服务，而不是 Apache。在我清除它之后，Apache 几乎恢复正常。它仍然不会提供 SSL 内容，但它将为服务器上的其他虚拟主机提供服务。
我还确保我的端口 80 和 443 是开放的。
我现在启用了 3 个站点。当我启动 Apache 时，我没有收到任何错误消息。以下是 000-default.conf、default-ssl.conf 和 elaan.conf 的内容
000-默认.conf
<VirtualHost *:80>
ServerAdmin [email protected]
DocumentRoot /var/www/html/elaan/
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
默认 SSL 配置文件
<IfModule mod_ssl.c>
<VirtualHost _default_:443>
ServerAdmin [email protected]
ServerName elaan.com.tw:443
DocumentRoot /var/www/html/elaan
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
SSLEngine on
SSLCertificateFile /etc/apache2/ssl/ssl.crt
SSLCertificateKeyFile /etc/apache2/ssl/private.key
SSLCertificateChainFile /etc/apache2/ssl/sub.class1.server.ca.pem
<FilesMatch "\.(cgi|shtml|phtml|php)$">
SSLOptions +StdEnvVars
</FilesMatch>
<Directory /usr/lib/cgi-bin>
SSLOptions +StdEnvVars
</Directory>
BrowserMatch "MSIE [2-6]" \
nokeepalive ssl-unclean-shutdown \
downgrade-1.0 force-response-1.0
# MSIE 7 and newer should be able to use keepalive
BrowserMatch "MSIE [17-9]" ssl-unclean-shutdown
</VirtualHost>
</IfModule>
配置文件
<VirtualHost *:80>
ServerAdmin [email protected]
ServerName elaan.com.tw
ServerAlias www.elaan.com.tw
DocumentRoot /var/www/html/elaan
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
当我运行服务 apache2 reload 时，所有这些站点都在 site-enabled 文件夹中，并且 error.log 文件中没有错误消息。
有人可以提供任何想法来进一步测试为什么 Apache 不从 https:// 提供服务吗？
# netstat -tlnp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1003/sshd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1335/sendmail: MTA:
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 1104/mysqld
tcp 0 0 127.0.0.1:587 0.0.0.0:* LISTEN 1335/sendmail: MTA:
tcp6 0 0 :::22 :::* LISTEN 1003/sshd
tcp6 0 0 :::443 :::* LISTEN 1443/apache2
tcp6 0 0 :::80 :::* LISTEN 1443/apache2
端口配置文件
Listen 80
<IfModule ssl_module>
Listen 443
</IfModule>
<IfModule mod_gnutls.c>
Listen 443
</IfModule>
# vim: syntax=apache ts=4 sw=4 sts=4 sr noet
ssl_引擎.log
[Tue Jul 14 12:18:18.811639 2015] [ssl:debug] [pid 11551] ssl_engine_pphrase.c(181): AH02199: SSL not enabled on vhost 127.0.1.1:80, skipping SSL setup
[Tue Jul 14 12:18:18.811892 2015] [ssl:debug] [pid 11551] ssl_engine_pphrase.c(239): AH02202: Init: Read server certificate from '/etc/apache2/ssl/ssl.crt'
[Tue Jul 14 12:18:18.812048 2015] [ssl:info] [pid 11551] AH01887: Init: Initializing (virtual) servers for SSL
[Tue Jul 14 12:18:18.812589 2015] [ssl:info] [pid 11551] AH01876: mod_ssl/2.4.7 compiled against Server: Apache/2.4.7, Library: OpenSSL/1.0.1f
[Tue Jul 14 12:18:18.836129 2015] [ssl:debug] [pid 11552] ssl_engine_pphrase.c(181): AH02199: SSL not enabled on vhost 127.0.1.1:80, skipping SSL setup
[Tue Jul 14 12:18:18.840838 2015] [ssl:debug] [pid 11552] ssl_engine_pphrase.c(239): AH02202: Init: Read server certificate from '/etc/apache2/ssl/ssl.crt'
[Tue Jul 14 12:18:18.841171 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(389): AH00821: shmcb_init allocated 512000 bytes of shared memory
[Tue Jul 14 12:18:18.841180 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(405): AH00822: for 511912 bytes (512000 including header), recommending 32 subcaches, 88 indexes each
[Tue Jul 14 12:18:18.841185 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(438): AH00824: shmcb_init_memory choices follow
[Tue Jul 14 12:18:18.841189 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(440): AH00825: subcache_num = 32
[Tue Jul 14 12:18:18.841193 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(442): AH00826: subcache_size = 15992
[Tue Jul 14 12:18:18.841196 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(444): AH00827: subcache_data_offset = 2128
[Tue Jul 14 12:18:18.841210 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(446): AH00828: subcache_data_size = 13864
[Tue Jul 14 12:18:18.841214 2015] [socache_shmcb:debug] [pid 11552] mod_socache_shmcb.c(448): AH00829: index_num = 88
[Tue Jul 14 12:18:18.841286 2015] [socache_shmcb:info] [pid 11552] AH00830: Shared memory socache initialised
[Tue Jul 14 12:18:18.841290 2015] [ssl:info] [pid 11552] AH01887: Init: Initializing (virtual) servers for SSL
[Tue Jul 14 12:18:18.841851 2015] [ssl:info] [pid 11552] AH01876: mod_ssl/2.4.7 compiled against Server: Apache/2.4.7, Library: OpenSSL/1.0.1f
[Tue Jul 14 12:18:18.844054 2015] [mpm_prefork:notice] [pid 11552] AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.9 OpenSSL/1.0.1f configured -- resuming normal operations
[Tue Jul 14 12:18:18.844069 2015] [mpm_prefork:info] [pid 11552] AH00164: Server built: Mar 10 2015 13:05:59
[Tue Jul 14 12:18:18.844085 2015] [core:notice] [pid 11552] AH00094: Command line: '/usr/sbin/apache2'
[Tue Jul 14 12:18:18.844090 2015] [mpm_prefork:debug] [pid 11552] prefork.c(995): AH00165: Accept mutex: fcntl (default: sysvsem)
防火墙状态：
To Action From
-- ------ ----
[ 1] 22 ALLOW IN Anywhere
[ 2] 80 ALLOW IN Anywhere
[ 3] 443/tcp ALLOW IN Anywhere
[ 4] 443/tcp ALLOW OUT Anywhere (out)
[ 5] 587 ALLOW OUT Anywhere (out)
[ 6] 22 (v6) ALLOW IN Anywhere (v6)
[ 7] 80 (v6) ALLOW IN Anywhere (v6)
[ 8] 443/tcp (v6) ALLOW IN Anywhere (v6)
[ 9] 443/tcp (v6) ALLOW OUT Anywhere (v6) (out)
[10] 587 (v6) ALLOW OUT Anywhere (v6) (out)
答案1
最后，我们将问题追溯到防火墙。我可以通过本地主机命令行进行连接，但无法通过远程机器进行连接。出于某种原因，禁用 ALLOW 443 OUT 规则成功解决了该问题。