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Spam Protection tab

Akismet Spam protection for comments has been added to Tiki8, and multiple IP banning from Comment moderation or Action log has been added in Tiki9.

Overview
Use this tab to enable anti-spam CAPTCHAs and protect email address links.
To Access
From the Security Admin page, click the Spam Protection tab.
Note
When enabled, the following Tiki features are protected:
  • wiki page edits
  • wiki page comments
  • forum posts and replies
  • tracker item comments
  • freetags
  • calendar items
  • newsletter subscriptions

ReCaptcha 3 support starts in Tiki20
Please note, that as opposed to the information in the generated table below, in Tiki 12.x there is only ReCaptcha version 1 (which was deprecated on March 30th 2018) available.



Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) Use CAPTCHA to ensure that anonymous input is from a person. Enabled
CAPTCHA image word length Number of characters the CAPTCHA will display. 6 characters
CAPTCHA image width Width of the CAPTCHA image in pixels. 180 pixels
CAPTCHA image noise Level of noise of the CAPTCHA image.
Choose a smaller number for less noise and easier reading.		 100
Use reCAPTCHA Use reCAPTCHA, a specialized captcha service, instead of default CAPTCHA
You will need to register at http://www.google.com/recaptcha		 Disabled
Site key reCAPTCHA public key obtained after registering. None
Secret key reCAPTCHA private key obtained after registering. None
reCAPTCHA theme Choose a theme for the reCAPTCHA widget.
Clean | Black Glass | Red | White		 Clean
Version reCAPTCHA version.
1.0 | 2.0 | 3.0		 2.0
CAPTCHA questions Requires anonymous visitors to enter the answer to a question. Disabled
CAPTCHA questions and answers Add some simple questions that only humans should be able to answer, in the format: "Question?: Answer" with one per line
One question per line with a colon separating the question and answer		 None
Protect email against spam Protect email against spam submissions.
Protect email against spam currently does not operate in pages edited in WYSIWYG mode (Tiki 6.1)		 Enabled
Add "rel=nofollow" to external links Nofollow is used to instruct some search engines that the link should not influence the ranking of the link's target in the search engine's index. Disabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Ban usernames and emails Banning rules use both email and username to match rules. Disabled
Attempts number Number of attempts user is allowed to login incorrectly before banning them from further attempts. 5
Banning system The duration of the incorrect login attempts ban in minutes. 30
Comments moderation Enables the admin or other authorized group member to validate comments before they are visible Disabled
Use Akismet to filter comments Prevent comment spam by using the Akismet service to determine if the comment is spam. If comment moderation is enabled, Akismet will indicate if the comment is to be moderated or not. If there is no comment moderation, the comment will be rejected if considered to be spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention.
Obtain this key by registering your site at http://akismet.com		 None
Filter spam for registered users Activate spam filtering for registered users as well. Useful if your site allows anyone to register without screening. Disabled
Require passcode to register Users must enter an alphanumeric code to register. The site administrator must inform users of this code. This is to restrict registration to invited users. Disabled
Passcode Alphanumeric code required to complete the registration None
Show passcode on registration form Displays the required passcode on the registration form. This is helpful for legitimate users who want to register while making it difficult for automated robots because the passcode is unique for each site and because it is displayed in JavaScript. Disabled
Registration page key To register, users need to go to, for example: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).		 None
Unable to load the jQuery Sortable Tables feature.
Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) Use CAPTCHA to ensure that anonymous input is from a person. Enabled
CAPTCHA image word length Number of characters the CAPTCHA will display. 6 characters
CAPTCHA image width Width of the CAPTCHA image in pixels. 180 pixels
CAPTCHA image noise Level of noise of the CAPTCHA image.
Choose a smaller number for less noise and easier reading.		 100
Use reCAPTCHA Use reCAPTCHA, a specialized captcha service, instead of default CAPTCHA
You will need to register at http://www.google.com/recaptcha		 Disabled
Site key reCAPTCHA public key obtained after registering. None
Secret key reCAPTCHA private key obtained after registering. None
reCAPTCHA theme Choose a theme for the reCAPTCHA widget.
Clean | Black Glass | Red | White		 Clean
Version reCAPTCHA version.
1.0 | 2.0 | 3.0		 2.0
CAPTCHA questions Requires anonymous visitors to enter the answer to a question. Disabled
CAPTCHA questions and answers Add some simple questions that only humans should be able to answer, in the format: "Question?: Answer" with one per line
One question per line with a colon separating the question and answer		 None
Protect email against spam Protect email against spam submissions.
Protect email against spam currently does not operate in pages edited in WYSIWYG mode (Tiki 6.1)		 Enabled
Add "rel=nofollow" to external links Nofollow is used to instruct some search engines that the link should not influence the ranking of the link's target in the search engine's index. Disabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Ban usernames and emails Banning rules use both email and username to match rules. Disabled
Attempts number Number of attempts user is allowed to login incorrectly before banning them from further attempts. 5
Banning system The duration of the incorrect login attempts ban in minutes. 30
Comments moderation Enables the admin or other authorized group member to validate comments before they are visible Disabled
Use Akismet to filter comments Prevent comment spam by using the Akismet service to determine if the comment is spam. If comment moderation is enabled, Akismet will indicate if the comment is to be moderated or not. If there is no comment moderation, the comment will be rejected if considered to be spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention.
Obtain this key by registering your site at http://akismet.com		 None
Filter spam for registered users Activate spam filtering for registered users as well. Useful if your site allows anyone to register without screening. Disabled
Require passcode to register Users must enter an alphanumeric code to register. The site administrator must inform users of this code. This is to restrict registration to invited users. Disabled
Passcode Alphanumeric code required to complete the registration None
Show passcode on registration form Displays the required passcode on the registration form. This is helpful for legitimate users who want to register while making it difficult for automated robots because the passcode is unique for each site and because it is displayed in JavaScript. Disabled
Registration page key To register, users need to go to, for example: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).		 None
Unable to load the jQuery Sortable Tables feature.
Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) Use CAPTCHA to ensure that anonymous input is from a person. Enabled
CAPTCHA image word length Number of characters the CAPTCHA will display. 6 characters
CAPTCHA image width Width of the CAPTCHA image in pixels. 180 pixels
CAPTCHA image noise Level of noise of the CAPTCHA image.
Choose a smaller number for less noise and easier reading.		 100
Use reCAPTCHA Use reCAPTCHA, a specialized captcha service, instead of default CAPTCHA
You will need to register at http://www.google.com/recaptcha		 Disabled
Site key reCAPTCHA public key obtained after registering. None
Secret key reCAPTCHA private key obtained after registering. None
reCAPTCHA theme Choose a theme for the reCAPTCHA widget.
Clean | Black Glass | Red | White		 Clean
Version reCAPTCHA version.
1.0 | 2.0 | 3.0		 2.0
CAPTCHA questions Requires anonymous visitors to enter the answer to a question. Disabled
CAPTCHA questions and answers Add some simple questions that only humans should be able to answer, in the format: "Question?: Answer" with one per line
One question per line with a colon separating the question and answer		 None
Protect email against spam Protect email against spam submissions.
Protect email against spam currently does not operate in pages edited in WYSIWYG mode (Tiki 6.1)		 Enabled
Add "rel=nofollow" to external links Nofollow is used to instruct some search engines that the link should not influence the ranking of the link's target in the search engine's index. Disabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Ban usernames and emails Banning rules use both email and username to match rules. Disabled
Attempts number Number of attempts user is allowed to login incorrectly before banning them from further attempts. 5
Banning system The duration of the incorrect login attempts ban in minutes. 30
Comments moderation Enables the admin or other authorized group member to validate comments before they are visible Disabled
Use Akismet to filter comments Prevent comment spam by using the Akismet service to determine if the comment is spam. If comment moderation is enabled, Akismet will indicate if the comment is to be moderated or not. If there is no comment moderation, the comment will be rejected if considered to be spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention.
Obtain this key by registering your site at http://akismet.com		 None
Filter spam for registered users Activate spam filtering for registered users as well. Useful if your site allows anyone to register without screening. Disabled
Require passcode to register Users must enter an alphanumeric code to register. The site administrator must inform users of this code. This is to restrict registration to invited users. Disabled
Passcode Alphanumeric code required to complete the registration None
Show passcode on registration form Displays the required passcode on the registration form. This is helpful for legitimate users who want to register while making it difficult for automated robots because the passcode is unique for each site and because it is displayed in JavaScript. Disabled
Registration page key To register, users need to go to, for example: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).		 None
Unable to load the jQuery Sortable Tables feature.
Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) Use CAPTCHA to ensure that anonymous input is from a person. Enabled
CAPTCHA image word length Number of characters the CAPTCHA will display. 6 characters
CAPTCHA image width Width of the CAPTCHA image in pixels. 180 pixels
CAPTCHA image noise Level of noise of the CAPTCHA image.
Choose a smaller number for less noise and easier reading.		 100
Use reCAPTCHA Use reCAPTCHA, a specialized captcha service, instead of default CAPTCHA
You will need to register at http://www.google.com/recaptcha		 Disabled
Site key reCAPTCHA public key obtained after registering. None
Secret key reCAPTCHA private key obtained after registering. None
reCAPTCHA theme Choose a theme for the reCAPTCHA widget.
Clean | Black Glass | Red | White		 Clean
Version reCAPTCHA version.
1.0 | 2.0 | 3.0		 2.0
CAPTCHA questions Requires anonymous visitors to enter the answer to a question. Disabled
CAPTCHA questions and answers Add some simple questions that only humans should be able to answer, in the format: "Question?: Answer" with one per line
One question per line with a colon separating the question and answer		 None
Protect email against spam Protect email against spam submissions.
Protect email against spam currently does not operate in pages edited in WYSIWYG mode (Tiki 6.1)		 Enabled
Add "rel=nofollow" to external links Nofollow is used to instruct some search engines that the link should not influence the ranking of the link's target in the search engine's index. Disabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Ban usernames and emails Banning rules use both email and username to match rules. Disabled
Comments moderation Enables the admin or other authorized group member to validate comments before they are visible Disabled
Use Akismet to filter comments Prevent comment spam by using the Akismet service to determine if the comment is spam. If comment moderation is enabled, Akismet will indicate if the comment is to be moderated or not. If there is no comment moderation, the comment will be rejected if considered to be spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention.
Obtain this key by registering your site at http://akismet.com		 None
Filter spam for registered users Activate spam filtering for registered users as well. Useful if your site allows anyone to register without screening. Disabled
Require passcode to register Users must enter an alphanumeric code to register. The site administrator must inform users of this code. This is to restrict registration to invited users. Disabled
Passcode Alphanumeric code required to complete the registration None
Show passcode on registration form Displays the required passcode on the registration form. This is helpful for legitimate users who want to register while making it difficult for automated robots because the passcode is unique for each site and because it is displayed in JavaScript. Disabled
Registration page key To register, users need to go to, for example: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).		 None
Unable to load the jQuery Sortable Tables feature.
Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) Use CAPTCHA to ensure that anonymous input is from a person. Enabled
CAPTCHA image word length Number of characters the CAPTCHA will display. 6 characters
CAPTCHA image width Width of the CAPTCHA image in pixels. 180 pixels
CAPTCHA image noise Level of noise of the CAPTCHA image.
Choose a smaller number for less noise and easier reading.		 100
Use reCAPTCHA Use reCAPTCHA, a specialized captcha service, instead of default CAPTCHA
You will need to register at http://www.google.com/recaptcha		 Disabled
Site key reCAPTCHA public key obtained after registering. None
Secret key reCAPTCHA private key obtained after registering. None
reCAPTCHA theme Choose a theme for the reCAPTCHA widget.
Clean | Black Glass | Red | White		 Clean
Version reCAPTCHA version.
1.0 | 2.0 | 3.0		 2.0
CAPTCHA questions Requires anonymous visitors to enter the answer to a question. Disabled
CAPTCHA questions and answers Add some simple questions that only humans should be able to answer, in the format: "Question?: Answer" with one per line
One question per line with a colon separating the question and answer		 None
Protect email against spam Protect email against spam submissions.
Protect email against spam currently does not operate in pages edited in WYSIWYG mode (Tiki 6.1)		 Enabled
Add "rel=nofollow" to external links Nofollow is used to instruct some search engines that the link should not influence the ranking of the link's target in the search engine's index. Disabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Attempts number Number of attempts user is allowed to login incorrectly before banning them from further attempts. 5
Banning system The duration of the incorrect login attempts ban in minutes. 30
Comments moderation Enables the admin or other authorized group member to validate comments before they are visible Disabled
Use Akismet to filter comments Prevent comment spam by using the Akismet service to determine if the comment is spam. If comment moderation is enabled, Akismet will indicate if the comment is to be moderated or not. If there is no comment moderation, the comment will be rejected if considered to be spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention.
Obtain this key by registering your site at http://akismet.com		 None
Filter spam for registered users Activate spam filtering for registered users as well. Useful if your site allows anyone to register without screening. Disabled
Require passcode to register Users must enter an alphanumeric code to register. The site administrator must inform users of this code. This is to restrict registration to invited users. Disabled
Passcode Alphanumeric code required to complete the registration None
Show passcode on registration form Displays the required passcode on the registration form. This is helpful for legitimate users who want to register while making it difficult for automated robots because the passcode is unique for each site and because it is displayed in JavaScript. Disabled
Registration page key To register, users need to go to, for example: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).		 None
Unable to load the jQuery Sortable Tables feature.



Interesting links




Alias

antibot | anti-bot | captcha | Anti-bot Captcha | No follow | ReCaptcha | Spam prevention | SpamPrevention

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