> ## Knowledge Base Index > Fetch the complete knowledge base index at: https://help.cloakup.me/sitemap.xml > Use this file to discover available pages before exploring further. > Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash). # Filters # What are filters? Filters are responsible for access analysis parameters. Based on the filters you choose, Cloakup analyzes each access and determines whether the access should be accepted or denied. ##### Filtering modes Next to some filters you can see a blue button, you can choose between: • **Allow**: Only allow visitors who meet this condition • **Block**: Block visitors who meet this condition. ##### Example: • Geolocation in **ALLOW** mode, will allow all selected locations and block the rest. • Geolocation in **BLOCK** mode, will block all selected locations and accept the rest. # Cloakup AI The Cloakup AI filter is a filter that uses artificial intelligence to detect bots and moderators. ##### Recommended when: • You want to block access that is identified as bots or moderators. # Google Ads The Google Ads filter is a filter that detects Google Ads bots and moderators. ##### Recommended when: • You want to advertise on Google Ads and want to block access that is identified as bots. #Facebook The Facebook filter is a filter that detects Facebook bots and moderators. ##### Recommended when: • You want to advertise black offers on Facebook. # TikTok The TikTok filter is a filter that detects TikTok bots and moderators. ##### Recommended when: • You want to advertise black offers on TikTok. #Kwai The Kwai filter is a filter that detects Kwai bots and moderators. #### Recommended when: • You want to advertise black offers on Kwai. #Adspy The Adspy filter is a filter that detects when access comes from Adspy. #### Recommended when: • You want to protect your offer from ad spies. # Bots The Bot filter blocks access that is identified as bots. #### Recommended when: • You want to block access that is identified as bots. # Proxy/VPN The Proxy/VPN filter blocks access that uses Proxy, VPN or Tor. #### Recommended when: • You want access abroad and do not want access from Brazil to see your offer page. # Block always The Always Block filter blocks all access. #### Recommended when: • You want to advertise on some platform and want to block all access until the analysis of your ad is complete (You need to manually disable this filter), to prevent people from accessing your offer page before launch. # Geolocation Filtering the countries that will be allowed to access the campaign. #### Recommended when: • You want to advertise in a specific country and want to block access from other countries. If you are advertising LATAM we recommend that you activate the PROXY/VPN filter together. # Devices Filtering the devices that will be allowed to access the campaign. #### Recommended when: • You want to filter access from devices that are not compatible with your offer. For example, only allow access from mobile devices. # Reference (not recommended for Facebook, Instagram and Kwai) It is the website where the access is coming from, for example, when you advertise on Facebook or Instagram, the reference will come from facebook.com or instagram.com. If someone accesses your website directly, without having come via your ad, the reference will be empty. In this filter, you can enable the option to block empty references. If access does not have a reference, it will be denied. #### Recommended when: • You want to block access that did not come from your ad. (For Facebook it is not so recommended, as it does not send a reference every time you access it, but for other platforms it is recommended). # Domain (JS) Filter your domains, which will be enabled to access the campaign. We recommend that you use this filter when integrating via JS, so that only your domains can access the campaign. #### Recommended when: • You are using javascript integration and want to allow only your domains to use the integration script. ![](https://storage.crisp.chat/users/helpdesk/website/6dc841da0cfe9000/url-parametersdkismyas_1k4dor1.png) URL parameters are information that is passed to the server via the URL. Example: https://www.cloakup.com.br/?utm_source=facebook In this example, the URL parameter is utm_source=facebook You can use this filter to block or allow access that has certain URL parameters. ###### The URL parameter comes with 2 settings: • **All**: All parameters you enter must be exactly the same as the access URL parameters. • **Some**: Some of the parameters you enter must be exactly the same as the access URL parameters, for example, if you have 2 Facebook campaigns for the same cloaker campaign, but have 2 different settings, you can enter 2 different URL parameters, and Cloakup will check if the URL parameters are the same as either of them. #### Recommended when: • You want to protect your offer from plagiarists. • Only allow direct access to the ad. # Browser language Access browser language filtering. #### Recommended when: • You want to block access that is not in a certain language. # User Agent Access user agent filtering. To learn more about User Agent, visit: https://developer.mozilla.org/pt-BR/docs/Web/HTTP/Headers/User-Agent #### Recommended when: • You want to block access that is not from a specific browser or device. # ISP ISP is the acronym for Internet Service Provider, that is, the user's internet provider. With this filter you can block or allow access from certain internet providers. #### Recommended when: • You want to block access from a specific internet provider. For example, blocking access from Claro. #Blacklist Blocks access from IPs that are on the blacklist. #### Recommended when: • You have a list of IPs you want to block. # Whitelist Allows access from IPs that are on the whitelist. #### Recommended when: • When you want to check if your page is displaying correctly.