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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


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
None
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
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 for example, to register, users need to go to: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).
None

Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) Use CAPTCHA to ensure that anonymous input is from a person Enabled
Word length of the CAPTCHA image Word length of the CAPTCHA image. Default:6 6
Width of the CAPTCHA image in pixels Width of the CAPTCHA image in pixels. Default:180 180
Level of noise of the CAPTCHA image Level of noise of the CAPTCHA image. Choose a smaller number for less noise and easier reading. Default:100
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
None
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” on 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 Enabled
Banning system Deny access to specific users based on username, IP, and date/time range. 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 for example, to register, users need to go to: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).
None

Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) Use CAPTCHA to ensure that anonymous input is from a person Enabled
Word length of the CAPTCHA image Word length of the CAPTCHA image. Default:6 6
Width of the CAPTCHA image in pixels Width of the CAPTCHA image in pixels. Default:180 180
Level of noise of the CAPTCHA image Level of noise of the CAPTCHA image. Choose a smaller number for less noise and easier reading. Default:100
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
Public Key ReCaptcha public key obtained after registering. None
Private 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
None
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” on 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 Enabled
Banning system Deny access to specific users based on username, IP, and date/time range. 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 for example, to register, users need to go to: tiki-register.php?key=yourregistrationkeyvalue
Key required to be on included the URL to access the registration page (if not empty).
None

Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) use CAPTCHA to ensure Anonymous input is from a person Enabled
Word length of the captcha image Word length of the captcha image. Default:6 6
Width of the captcha image in pixels Width of the captcha image in pixels. Default:180 180
Level of noise of the captcha image Level of noise of the captcha image. Choose a smaller number for less noise and easier reading. Default:100
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
Public Key ReCaptcha public key obtained after registering. None
Private 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
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” on external links nofollow is used to instruct some search engines that links should not influence search engines. It can reduce search engine spam and prevent ‘spamdexing’ Enabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Comments Moderation An admin must validate a comment before it is 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, the 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 as spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention to work.
Obtain this key by registering your site on http://akismet.com
None
Filter spam for registered users Enable spam filtering for registered users as well. Useful if your site allows for anyone to register without much validation. Disabled
Require passcode to register Users must enter a code to register. You must inform users of this code. Use to restrict registration to invited users only. 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

Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) use CAPTCHA to ensure Anonymous input is from a person Enabled
Word length of the captcha image Word length of the captcha image. Default:6 6
Width of the captcha image in pixels Width of the captcha image in pixels. Default:180 180
Level of noise of the captcha image Level of noise of the captcha image. Choose a smaller number for less noise and easier reading. Default:100
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
Public Key ReCaptcha public key obtained after registering. None
Private 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
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” on external links nofollow is used to instruct some search engines that links should not influence search engines. It can reduce search engine spam and prevent ‘spamdexing’ Enabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Comments Moderation An admin must validate a comment before it is 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, the 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 as spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention to work.
Obtain this key by registering your site on http://akismet.com
None
Filter spam for registered users Enable spam filtering for registered users as well. Useful if your site allows for anyone to register without much validation. Disabled
Require passcode to register Users must enter a code to register. You must inform users of this code. Use to restrict registration to invited users only. 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

Option Description Default
Anonymous editors must enter anti-bot code (CAPTCHA) use CAPTCHA to ensure Anonymous input is from a person Enabled
Word length of the captcha image Word length of the captcha image. Default:6 6
Width of the captcha image in pixels Width of the captcha image in pixels. Default:180 180
Level of noise of the captcha image Level of noise of the captcha image. Choose a smaller number for less noise and easier reading. Default:100
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
Public Key ReCaptcha public key obtained after registering. None
Private 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
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” on external links nofollow is used to instruct some search engines that links should not influence search engines. It can reduce search engine spam and prevent ‘spamdexing’ Enabled
Banning system Deny access to specific users based on username, IP, and date/time range. Disabled
Comments Moderation An admin must validate a comment before it is 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, the 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 as spam. Disabled
Akismet API Key Key required for the Akismet comment spam prevention to work.
Obtain this key by registering your site on http://akismet.com
None
Filter spam for registered users Enable spam filtering for registered users as well. Useful if your site allows for anyone to register without much validation. Disabled
Require passcode to register Users must enter a code to register. You must inform users of this code. Use to restrict registration to invited users only. 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





Interesting links








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

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