Re: signup bots
This WebDNA talk-list message is from 2006
It keeps the original formatting.
numero = 66921
interpreted = N
texte = What I have seen on other sites is either a CAPTCHA or an email confirmation with an opt-in link. CAPTCHA are those pictures with distorted letters and numbers that have to be typed in. Eventually the bots will catch up, but for now CAPTCHA seems to be in widespread use. The email opt-in requires that the user click a link in an email that you send. The problem with this is bots can easily do this. This only keeps out the malicious non-techie. Bill-----Original Message-----From: Lester
Sent: Tue, 25 Apr 2006 05:12:35 -0700 (PDT)To: "WebDNA Talk" Subject: signup botsI have a signup form on a site that gets hit 3-4x aday by some kinda splog bot (used to be 1x every weekor so).It sets up a profile and links to seo sites, all ofwhich are plain old link farms.... I manually approveeach signup, so it never becomes an active member...I know Yahoo uses text and number graphics randomlygenerated as a final item to be entered on a signup,and I've seen that same technique in php based messageboards....Anyone doing anything with webdna to prevent autosignups in forms?lester__________________________________________________Do You Yahoo!?Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
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What I have seen on other sites is either a CAPTCHA or an email confirmation with an opt-in link. CAPTCHA are those pictures with distorted letters and numbers that have to be typed in. Eventually the bots will catch up, but for now CAPTCHA seems to be in widespread use. The email opt-in requires that the user click a link in an email that you send. The problem with this is bots can easily do this. This only keeps out the malicious non-techie. Bill-----Original Message-----From: Lester Sent: Tue, 25 Apr 2006 05:12:35 -0700 (PDT)To: "WebDNA Talk" Subject: signup botsI have a signup form on a site that gets hit 3-4x aday by some kinda splog bot (used to be 1x every weekor so).It sets up a profile and links to seo sites, all ofwhich are plain old link farms.... I manually approveeach signup, so it never becomes an active member...I know Yahoo uses text and number graphics randomlygenerated as a final item to be entered on a signup,and I've seen that same technique in php based messageboards....Anyone doing anything with webdna to prevent autosignups in forms?lester__________________________________________________Do You Yahoo!?Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
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