| by Scott Kilroy

Apache modrewrite examples

modrewrite rule if you create folder it can be used as a subdomain RewriteCond %{HTTP_HOST} !^www\.website\.com$ RewriteCond %{HTTP_HOST} ^(.*)\.website\.com(.*) [NC] RewriteCond %{DOCUMENT_ROOT}/%1 -d RewriteRule ^(.*)$ http://www.website.com/%1$1 [P,L] requires both mod_rewrite and mod_proxy to be running 1. Forcing www for a domain while preserving subdomains RewriteCond %{HTTP_HOST} ^([a-z.]+)?example\.com$ [NC] RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteRule .? http://www.%1example.com%{REQUEST_URI} [R=301,L] Site has permanently moved to new domain # domain.com to domain2.com RewriteCond %{HTTP_HOST} ^www.domain.com$ [NC] RewriteRule ^(.*)$ http://www.domain2.com/$1 [R=301,L] RewriteEngine on RewriteCond /your/docroot/%{REQUEST_FILENAME} !-f […]

Share Button
Read More
| by Scott Kilroy

Installing apache mod_evasive on ubuntu

apt-get install libapache2-mod-evasive in /etc/apache2/conf.d create file called modevasive with the following: <code> <ifmodule mod_evasive20.c> DOSHashTableSize 3097 DOSPageCount 2 DOSSiteCount 50 DOSPageInterval 1 DOSSiteInterval 1 DOSBlockingPeriod 10 DOSLogDir /var/log/mod_evasive DOSEmailNotify ADD_EMAIL DOSWhitelist 127.0.0.1 </ifmodule>

Share Button
Read More
| by Scott Kilroy

Nginx with certbot

Remember when setting up certbot using nginx to turn off the line in your config that blocks files that start with . This line: location ~ /\. { access_log off; log_not_found off; deny all; } A good guide can be found here https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-16-04

Share Button
Read More
| by Scott Kilroy

Test ssl setup

To test ssl is setup correctly run the following: openssl s_client -connect IP_OR_DOMAIN_NAME:443

Share Button
Read More
| by Scott Kilroy

Check open ports with nmap

If you want to check if a particular port is open run nmap -p PORT_NUMBER IP_OR_DOMAIN_NAME for example nmap -p 80 example.com To use nmap to check if a port is open for tcp nmap -p port ipaddress for udp nmap -sU -p port ipaddress  

Share Button
Read More