Beginning move to nginx
This commit is contained in:
Bob Mottram
parent
2a504f0c86
commit
1d1191f149
316
beaglebone.txt
316
beaglebone.txt
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@ -903,7 +903,7 @@ Add the following:
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# ==============================================================
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# Variables
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CPU_LIMIT=30 # Maximum percentage CPU consumption by each PID
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CPU_LIMIT=50 # Maximum percentage CPU consumption by each PID
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DAEMON_INTERVAL=1 # Daemon check interval in seconds
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BLACK_PROCESSES_LIST= # Limit only processes defined in this variable. If variable is empty (default) all violating processes are limited.
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WHITE_PROCESSES_LIST="cron|top|emacs|vi|vim|nano" # Limit all processes except processes defined in this variable. If variable is empty (default) all violating processes are limited.
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@ -2484,63 +2484,15 @@ Here cron is used so that if we stop one of the relevant processes and then rest
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-- Tim Berners-Lee
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#+END_VERSE
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Edit the apache configuration so that it doesn't run out of memory if there are a lot of connections.
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First install nginx and some scripts for easily enabling and disabling the web sites which we will create.
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#+BEGIN_SRC: bash
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su
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editor /etc/apache2/apache2.conf
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#+END_SRC
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Search for MaxClients and replace the value with 6. As an example the settings should look something like this:
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#+BEGIN_SRC: bash
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Timeout 30
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KeepAlive On
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MaxKeepAliveRequests 5
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KeepAliveTimeout 10
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<IfModule mpm_prefork_module>
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StartServers 3
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MinSpareServers 3
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MaxSpareServers 5
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MaxClients 10
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MaxRequestsPerChild 0
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</IfModule>
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<IfModule mpm_worker_module>
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StartServers 1
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MinSpareThreads 5
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MaxSpareThreads 15
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ThreadLimit 25
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ThreadsPerChild 5
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MaxClients 25
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MaxRequestsPerChild 200
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</IfModule>
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<IfModule mpm_event_module>
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StartServers 1
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MinSpareThreads 5
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MaxSpareThreads 15
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ThreadLimit 25
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ThreadsPerChild 5
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MaxClients 25
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MaxRequestsPerChild 200
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</IfModule>
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#+END_SRC
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Also append the following:
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#+BEGIN_SRC: bash
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ServerSignature Off
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ServerTokens Prod
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#+END_SRC
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Then save and exit. Install some extra security.
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#+BEGIN_SRC: bash
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apt-get install libapache2-modsecurity
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apt-get install libapache2-mod-evasive
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#+END_SRC
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apt-get install nginx php5-fpm git
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cd ~/build
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git clone https://github.com/perusio/nginx_ensite
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cd ~/build/nginx_ensite
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cp nginx_* /usr/sbin
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#+END_VERSE
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In the examples below replace /mydomainname.com/ with your own domain name.
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@ -2548,228 +2500,59 @@ In the examples below replace /mydomainname.com/ with your own domain name.
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export HOSTNAME=mydomainname.com
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mkdir /var/www/$HOSTNAME
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mkdir /var/www/$HOSTNAME/htdocs
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editor /etc/apache2/sites-available/$HOSTNAME
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editor /etc/nginx/sites-available/$HOSTNAME
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#+END_SRC
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The Apache configuration for the site should look something like the following. Replace /mydonainname.com/ with the site domain name.
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The configuration for the site should look something like the following. Replace /mydonainname.com/ with the site domain name.
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#+BEGIN_SRC: bash
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<VirtualHost *:80>
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ServerAdmin myusername@mydomainname.com
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ServerName mydomainname.com
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server {
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listen 80;
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root /var/www/mydomainname.com/htdocs;
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index index.html index.htm;
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server_name mydomainname.com;
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DocumentRoot /var/www/mydomainname.com/htdocs
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<Directory />
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Options FollowSymLinks
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AllowOverride All
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</Directory>
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<Directory /var/www/mydomainname.com/htdocs/>
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Options All
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AllowOverride All
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Order allow,deny
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allow from all
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LimitRequestBody 512000
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</Directory>
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location / {
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try_files $uri $uri/ /index.html;
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}
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}
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# Don't serve .php~ or .php# files created by emacs
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<Files ~ "(^#.*#|~|\.sw[op])$">
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Order allow,deny
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Deny from all
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</Files>
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server {
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listen 443;
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root /var/www/mydomainname.com/htdocs;
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index index.html index.htm;
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server_name mydomainname.com;
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<IfModule headers_module>
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Header set X-Content-Type-Options nosniff
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Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate, private"
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Header set Pragma no-cache
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</IfModule>
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ssl on;
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ssl_certificate /etc/ssl/certs/mydomainname.com.crt;
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ssl_certificate_key /etc/ssl/private/mydomainname.com.key;
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<Files .htaccess>
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deny from all
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</Files>
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ssl_session_timeout 5m;
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ssl_prefer_server_ciphers on;
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ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # not possible to do exclusive
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ssl_ciphers 'EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA';
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add_header Strict-Transport-Security max-age=15768000; # six months
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# use this only if all subdomains support HTTPS!
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# add_header Strict-Transport-Security "max-age=15768000; includeSubDomains";
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ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
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<Directory "/usr/lib/cgi-bin">
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AllowOverride All
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Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
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Order allow,deny
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Allow from all
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LimitRequestBody 512000
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</Directory>
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location / {
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try_files $uri $uri/ /index.html;
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}
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}
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#+END_SRC
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ErrorLog ${APACHE_LOG_DIR}/error.log
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Save and exit. Then change the domain name.
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# Possible values include: debug, info, notice, warn, error, crit,
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# alert, emerg.
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LogLevel error
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CustomLog ${APACHE_LOG_DIR}/access.log combined
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</VirtualHost>
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<IfModule mod_ssl.c>
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<VirtualHost *:443>
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ServerAdmin myusername@mydomainname.com
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ServerName mydomainname.com
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DocumentRoot /var/www/mydomainname.com/htdocs
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<Directory />
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Options FollowSymLinks
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AllowOverride All
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</Directory>
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<Directory /var/www/mydomainname.com/htdocs/>
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Options All
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AllowOverride All
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Order allow,deny
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allow from all
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LimitRequestBody 512000
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</Directory>
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# Don't serve .php~ or .php# files created by emacs
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<Files ~ "(^#.*#|~|\.sw[op])$">
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Order allow,deny
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Deny from all
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</Files>
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<IfModule headers_module>
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Header set X-Content-Type-Options nosniff
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Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate, private"
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Header set Pragma no-cache
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</IfModule>
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<Files .htaccess>
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deny from all
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</Files>
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ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
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<Directory "/usr/lib/cgi-bin">
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AllowOverride All
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Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
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Order allow,deny
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Allow from all
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LimitRequestBody 512000
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</Directory>
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ErrorLog ${APACHE_LOG_DIR}/error.log
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# Possible values include: debug, info, notice, warn, error, crit,
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# alert, emerg.
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LogLevel error
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CustomLog ${APACHE_LOG_DIR}/ssl_access.log combined
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# SSL Engine Switch:
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# Enable/Disable SSL for this virtual host.
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SSLEngine on
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# A self-signed certificate
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SSLCertificateFile /etc/ssl/certs/mydomainname.com.crt
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SSLCertificateKeyFile /etc/ssl/private/mydomainname.com.key
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# Options based on bettercrypto.org
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SSLProtocol All -SSLv2 -SSLv3
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SSLHonorCipherOrder On
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SSLCompression off
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SSLCipherSuite EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA
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# Add six earth month HSTS header for all users ...
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Header add Strict-Transport-Security "max-age=15768000"
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# If you want to protect all subdomains , use the following header
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# ALL subdomains HAVE TO support https if you use this !
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# Strict-Transport-Security: max-age=15768000 ; includeSubDomains
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# SSL Engine Options:
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# Set various options for the SSL engine.
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# o FakeBasicAuth:
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# Translate the client X.509 into a Basic Authorisation. This means that
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# the standard Auth/DBMAuth methods can be used for access control. The
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# user name is the `one line' version of the client's X.509 certificate.
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# Note that no password is obtained from the user. Every entry in the user
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# file needs this password: `xxj31ZMTZzkVA'.
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# o ExportCertData:
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# This exports two additional environment variables: SSL_CLIENT_CERT and
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# SSL_SERVER_CERT. These contain the PEM-encoded certificates of the
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# server (always existing) and the client (only existing when client
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# authentication is used). This can be used to import the certificates
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# into CGI scripts.
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# o StdEnvVars:
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# This exports the standard SSL/TLS related `SSL_*' environment variables.
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# Per default this exportation is switched off for performance reasons,
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# because the extraction step is an expensive operation and is usually
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# useless for serving static content. So one usually enables the
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# exportation for CGI and SSI requests only.
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# o StrictRequire:
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# This denies access when "SSLRequireSSL" or "SSLRequire" applied even
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# under a "Satisfy any" situation, i.e. when it applies access is denied
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# and no other module can change it.
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# o OptRenegotiate:
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# This enables optimized SSL connection renegotiation handling when SSL
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# directives are used in per-directory context.
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#SSLOptions +FakeBasicAuth +ExportCertData +StrictRequire
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<FilesMatch "\.(cgi|shtml|phtml|php)$">
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SSLOptions +StdEnvVars
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</FilesMatch>
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<Directory /usr/lib/cgi-bin>
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SSLOptions +StdEnvVars
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</Directory>
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# SSL Protocol Adjustments:
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# The safe and default but still SSL/TLS standard compliant shutdown
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# approach is that mod_ssl sends the close notify alert but doesn't wait for
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# the close notify alert from client. When you need a different shutdown
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# approach you can use one of the following variables:
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# o ssl-unclean-shutdown:
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# This forces an unclean shutdown when the connection is closed, i.e. no
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# SSL close notify alert is send or allowed to received. This violates
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# the SSL/TLS standard but is needed for some brain-dead browsers. Use
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# this when you receive I/O errors because of the standard approach where
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# mod_ssl sends the close notify alert.
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# o ssl-accurate-shutdown:
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# This forces an accurate shutdown when the connection is closed, i.e. a
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# SSL close notify alert is send and mod_ssl waits for the close notify
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# alert of the client. This is 100% SSL/TLS standard compliant, but in
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# practice often causes hanging connections with brain-dead browsers. Use
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# this only for browsers where you know that their SSL implementation
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# works correctly.
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# Notice: Most problems of broken clients are also related to the HTTP
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# keep-alive facility, so you usually additionally want to disable
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# keep-alive for those clients, too. Use variable "nokeepalive" for this.
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# Similarly, one has to force some clients to use HTTP/1.0 to workaround
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# their broken HTTP/1.1 implementation. Use variables "downgrade-1.0" and
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# "force-response-1.0" for this.
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BrowserMatch "MSIE [2-6]" \
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nokeepalive ssl-unclean-shutdown \
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downgrade-1.0 force-response-1.0
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# MSIE 7 and newer should be able to use keepalive
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BrowserMatch "MSIE [17-9]" ssl-unclean-shutdown
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</VirtualHost>
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</IfModule>
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#+BEGIN_SRC: bash
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sed "s/mydomainname.com/$HOSTNAME/g" /etc/nginx/sites-available/$HOSTNAME > /tmp/website
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cp -f /tmp/website /etc/nginx/sites-available/$HOSTNAME
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#+END_SRC
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Then to enable the site:
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#+BEGIN_SRC: bash
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a2ensite
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a2dissite default
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a2dissite default-ssl
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a2enmod rewrite
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a2enmod headers
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#+END_SRC
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Ensure that "NameVirtualHost *:443" is added to /etc/apache2/ports.conf. It should look something like the following:
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#+BEGIN_SRC: bash
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NameVirtualHost *:80
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Listen 80
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<IfModule mod_ssl.c>
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NameVirtualHost *:443
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Listen 443
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</IfModule>
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<IfModule mod_gnutls.c>
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NameVirtualHost *:443
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Listen 443
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</IfModule>
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nginx_dissite default
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nginx_ensite $HOSTNAME
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#+END_SRC
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Create a self-signed certificate. The passphrase isn't important and will be removed, so make it easy (such as "password").
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@ -2786,7 +2569,7 @@ Enter the following:
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HOSTNAME=$1
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openssl genrsa -des3 -out $HOSTNAME.key 1024
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openssl req -new -x509 -nodes -sha1 -days 3650 -key $HOSTNAME.key -out $HOSTNAME.crt
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openssl req -new -x509 -nodes -days 3650 -key $HOSTNAME.key -out $HOSTNAME.crt
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openssl rsa -in $HOSTNAME.key -out $HOSTNAME.new.key
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cp $HOSTNAME.new.key $HOSTNAME.key
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rm $HOSTNAME.new.key
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@ -2794,15 +2577,14 @@ cp $HOSTNAME.key /etc/ssl/private
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chmod 400 /etc/ssl/private/$HOSTNAME.key
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cp $HOSTNAME.crt /etc/ssl/certs
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shred -zu $HOSTNAME.key $HOSTNAME.crt
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a2enmod ssl
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service apache2 restart
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/etc/init.d/nginx reload
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#+END_SRC
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Save and exit.
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#+BEGIN_SRC: bash
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chmod +x /usr/bin/makecert
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makecert mydomainname.com
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makecert $HOSTNAME
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#+END_SRC
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Enter some trivial password for the key file, such as "password". The password will be removed as part of the /makecert/ script which you just created. Note that leaving a password on the key file would mean that after a power cycle the Apache server will not be able to boot properly (it would wait indefinitely for a password to be manually entered) and would look as if it had crashed.
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@ -2812,7 +2594,7 @@ If all has gone well then there should be no warnings or errors after you run th
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Also limit the amount of memory which any php scripts can use.
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#+BEGIN_SRC: bash
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editor /etc/php5/apache2/php.ini
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editor /etc/php5/fpm/php.ini
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#+END_SRC
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Set the following:
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