MyShaarli/doc/md/Server-security.md at 6128ab6a55430a2b705be31ff417c0c552a0db1f

Co-Authored-By: Aurélien Tamisier <virtualtam+github@flibidi.net>

2020-03-09 17:43:09 +00:00

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php.ini

PHP settings are defined in:

a main configuration file, usually found under /etc/php/$php_version/php.ini; some distributions provide different configuration environments, e.g.
- /etc/php/$php_version/cli/php.ini - used when running console scripts
- /etc/php/$php_version/apache2/php.ini - used when a client requests PHP resources from Apache
- /etc/php/$php_version/php-fpm.conf - used when PHP requests are proxied to PHP-FPM
additional configuration files/entries, depending on the installed/enabled extensions:
- /etc/php/conf.d/xdebug.ini

Locate .ini files

Console environment

$ php --ini
Configuration File (php.ini) Path: /etc/php
Loaded Configuration File:         /etc/php/php.ini
Scan for additional .ini files in: /etc/php/conf.d
Additional .ini files parsed:      /etc/php/conf.d/xdebug.ini

Server environment

create a phpinfo.php script located in a path supported by the web server, e.g.
- Apache (with user dirs enabled): /home/myself/public_html/phpinfo.php
- /var/www/test/phpinfo.php
make sure the script is readable by the web server user/group (usually, www, www-data or httpd)
access the script from a web browser
look at the Loaded Configuration File and Scan this dir for additional .ini files entries

<?php phpinfo(); ?>

fail2ban

fail2ban is an intrusion prevention framework that reads server (Apache, SSH, etc.) and uses iptables profiles to block brute-force attempts:

Read Shaarli logs to ban IPs

Example configuration:

allow 3 login attempts per IP address
after 3 failures, permanently ban the corresponding IP adddress

/etc/fail2ban/jail.local

[shaarli-auth]
enabled  = true
port     = https,http
filter   = shaarli-auth
logpath  = /var/www/path/to/shaarli/data/log.txt
maxretry = 3
bantime = -1

/etc/fail2ban/filter.d/shaarli-auth.conf

[INCLUDES]
before = common.conf
[Definition]
failregex = \s-\s<HOST>\s-\sLogin failed for user.*$
ignoreregex =

Robots - Restricting search engines and web crawler traffic

Creating a robots.txt with the following contents at the root of your Shaarli installation will prevent honest web crawlers from indexing each and every link and Daily page from a Shaarli instance, thus getting rid of a certain amount of unsollicited network traffic.

User-agent: *
Disallow: /

See:

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