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Diffstat (limited to 'doc/security/rack_attack.md')
| -rw-r--r-- | doc/security/rack_attack.md | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/doc/security/rack_attack.md b/doc/security/rack_attack.md index 8695b5d2194..1b75798013d 100644 --- a/doc/security/rack_attack.md +++ b/doc/security/rack_attack.md @@ -34,34 +34,34 @@ For more information on how to use these options check out 1. Open `/etc/gitlab/gitlab.rb` with your editor 1. Add the following: - ```ruby - gitlab_rails['rack_attack_git_basic_auth'] = { - 'enabled' => true, - 'ip_whitelist' => ["127.0.0.1"], - 'maxretry' => 10, # Limit the number of Git HTTP authentication attempts per IP - 'findtime' => 60, # Reset the auth attempt counter per IP after 60 seconds - 'bantime' => 3600 # Ban an IP for one hour (3600s) after too many auth attempts - } - ``` + ```ruby + gitlab_rails['rack_attack_git_basic_auth'] = { + 'enabled' => true, + 'ip_whitelist' => ["127.0.0.1"], + 'maxretry' => 10, # Limit the number of Git HTTP authentication attempts per IP + 'findtime' => 60, # Reset the auth attempt counter per IP after 60 seconds + 'bantime' => 3600 # Ban an IP for one hour (3600s) after too many auth attempts + } + ``` 1. Reconfigure GitLab: - ``` - sudo gitlab-ctl reconfigure - ``` + ``` + sudo gitlab-ctl reconfigure + ``` The following settings can be configured: - `enabled`: By default this is set to `false`. Set this to `true` to enable Rack Attack. - `ip_whitelist`: Whitelist any IPs from being blocked. They must be formatted as strings within a Ruby array. - CIDR notation is supported in GitLab v12.1 and up. - For example, `["127.0.0.1", "127.0.0.2", "127.0.0.3", "192.168.0.1/24"]`. + CIDR notation is supported in GitLab v12.1 and up. + For example, `["127.0.0.1", "127.0.0.2", "127.0.0.3", "192.168.0.1/24"]`. - `maxretry`: The maximum amount of times a request can be made in the - specified time. + specified time. - `findtime`: The maximum amount of time that failed requests can count against an IP - before it's blacklisted (in seconds). + before it's blacklisted (in seconds). - `bantime`: The total amount of time that a blacklisted IP will be blocked (in - seconds). + seconds). **Installations from source** @@ -71,18 +71,18 @@ taken in order to enable protection for your GitLab instance: 1. In `config/application.rb` find and uncomment the following line: - ```ruby - config.middleware.use Rack::Attack - ``` + ```ruby + config.middleware.use Rack::Attack + ``` 1. Copy `config/initializers/rack_attack.rb.example` to `config/initializers/rack_attack.rb` 1. Open `config/initializers/rack_attack.rb`, review the `paths_to_be_protected`, and add any other path you need protecting 1. Restart GitLab: - ```sh - sudo service gitlab restart - ``` + ```sh + sudo service gitlab restart + ``` If you want more restrictive/relaxed throttle rules, edit `config/initializers/rack_attack.rb` and change the `limit` or `period` values. @@ -98,28 +98,28 @@ In case you want to remove a blocked IP, follow these steps: 1. Find the IPs that have been blocked in the production log: - ```sh - grep "Rack_Attack" /var/log/gitlab/gitlab-rails/auth.log - ``` + ```sh + grep "Rack_Attack" /var/log/gitlab/gitlab-rails/auth.log + ``` 1. Since the blacklist is stored in Redis, you need to open up `redis-cli`: - ```sh - /opt/gitlab/embedded/bin/redis-cli -s /var/opt/gitlab/redis/redis.socket - ``` + ```sh + /opt/gitlab/embedded/bin/redis-cli -s /var/opt/gitlab/redis/redis.socket + ``` 1. You can remove the block using the following syntax, replacing `<ip>` with the actual IP that is blacklisted: - ``` - del cache:gitlab:rack::attack:allow2ban:ban:<ip> - ``` + ``` + del cache:gitlab:rack::attack:allow2ban:ban:<ip> + ``` 1. Confirm that the key with the IP no longer shows up: - ``` - keys *rack::attack* - ``` + ``` + keys *rack::attack* + ``` 1. Optionally, add the IP to the whitelist to prevent it from being blacklisted again (see [settings](#settings)). @@ -136,8 +136,8 @@ the load balancer. In that case, you will need to: 1. Whitelist the load balancer's IP address(es) in the Rack Attack [settings](#settings). 1. Reconfigure GitLab: - ``` - sudo gitlab-ctl reconfigure - ``` + ``` + sudo gitlab-ctl reconfigure + ``` 1. [Remove the block via Redis.](#remove-blocked-ips-from-rack-attack-via-redis) |