Use the Ruby Captcha Gem for Rails User Registration | Ruby on Rails Blog
If you decide that you want to add captcha validation to the user registration of your ruby on rails application its really not that difficult. Make sure first to install the gem using gem install captcha. After installing the gem you can use / modify the following code to add captcha protection to your user signups: class NewCustomerController < ApplicationController require_gem 'captcha' layout
SEVEN DEGREES: 消極的ãªCAPTCHA
「人間ãŒå…¥åŠ›ã—ãŸã‹ã©ã†ã‹æ¤œæŸ»ã€ã§ã‚ã‚‹CAPTCHA(Completely Automated Public Turing test to tell Computers and Humans Apart)も最近ã¯çã—ããªããªã‚Šã€ãã‚Œã«ã¤ã‚Œã¦ã€CAPTCHA対応スパムも出ã¦ããŸã€‚CouchDbã®ãƒ‡ãƒ¢ã‚µã‚¤ãƒˆã§ã‚‚ã“ã‚Œã«å›°ã£ã¦ã„ãŸã‚‰ã—ã„ãŒã€Negative-CAPTCHAã¨å‘¼ã°ã‚Œã‚‹ã—ゃれãŸã‚¢ã‚¤ãƒ‡ã‚¢ã§ã‚¢ã‚¤ãƒ‡ã‚¢ã§ã‚¹ãƒ‘ムを撃退ã—ã¦ã„るよã†ã （Sofrã¨ã‹ã®æŽ²ç¤ºæ¿ãŒãれ）。 原ç†ã¯é›£ã—ãã¯ãªã„。フォーム内ã«ãƒ¦ãƒ¼ã‚¶ãƒ¼ã«ã¯è¦‹ãˆãªã„éš ã—é …ç›®ï¼ˆä½†ã—ã€Type=Hiddenã§ã¯ãªã„）をè¨å®šã—ã€nameã‚’ãƒãƒœãƒƒãƒˆãŒé–“é•ãˆã‚„ã™ã„"email"ã®ã‚ˆã†ãªå称ã«ã™ã‚‹ã ã‘。 <input type="text" name="email" style="display:none">ã“ã‚Œã§ã‚¢ãƒ›ãªãƒãƒœãƒƒãƒˆã¯äººé–“サマã«ã¯è¦‹ãˆãªã„emai
外国ã‹ã‚‰ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚¹ãƒ‘ム対ç–:Geekãªãºãƒ¼ã˜
外国ã‹ã‚‰ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚¹ãƒ‘ム対ç–ã‚’æ€ã„ã¤ã„ãŸã®ã§ã€ã“ã®ãƒ–ãƒã‚°ã®ã‚³ãƒ¡ãƒ³ãƒˆæ¬„ã«ã‚³ãƒ¡ãƒ³ãƒˆã‚¹ãƒ‘ム対ç–を実装ã—ã¦ã¿ã¾ã—ãŸã€‚ ã“ã®ã‚µã‚¤ãƒˆã«æ¥ã‚‹ã‚³ãƒ¡ãƒ³ãƒˆã‚¹ãƒ‘ムã¯ã€ã»ã¨ã‚“ã©ãŒå¤–国ã‹ã‚‰ã®ã‚‚ã®ã§ã™ã€‚ æ—¥ã«æ—¥ã«é‡ãŒå¢—ãˆã¦ãã¦ã„ã¾ã™ã€‚ 最åˆã¯IPアドレスやç¦æ¢ãƒ¯ãƒ¼ãƒ‰ãªã©ã§å¼¾ã“ã†ã¨ã—ã¾ã—ãŸãŒã€åŒã˜ã‚¹ãƒ‘マーã¨æ€ã‚れる書ãè¾¼ã¿ã§ã‚‚IPアドレスã¯ãƒãƒ©ãƒãƒ©ã ã£ãŸã‚Šã€å†…容ãŒå¤šå²ã«æ¸¡ã£ã¦ã„ãŸã‚Šã—ã¦ã„ã¦9割弾ã‘ã¦ã‚‚ã„ãã¤ã‹ã¯æ›¸ãè¾¼ã¾ã‚Œã¦ã—ã¾ã„ã¾ã™ã€‚ 大抵ã¯ã‚¹ã‚¯ãƒªãƒ—トã¨æ€ã‚れる書ãè¾¼ã¿ãŒç¶šãã€ã“ã¡ã‚‰ãŒå¯¾ç–ã‚’ã—ã¦ã‚る程度ã™ã‚‹ã¨ã€äººé–“ã¨æ€ã‚れる書ãè¾¼ã¿ãŒè¡Œã‚ã‚Œã¾ã™ã€‚ 人間ã«ã‚ˆã‚‹æ›¸ãè¾¼ã¿ã¯ã€ç¦æ¢ãƒ¯ãƒ¼ãƒ‰ãªã©ã®èª¿æŸ»ã‚’ã—ã¦ã„るよã†ã§ã™ã€‚ 相手もプãƒã®ã‚ˆã†ã§ã€ä¸€èˆ¬çš„ãªãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°æ‰‹æ³•ã¯è‰¯ã知ã£ã¦ã„ã¦ã€å·§ã¿ã«ã“ã¡ã‚‰ã®è¨å®šã‚’調ã¹ã¦ã„ãã¾ã™ã€‚ 例ãˆã°ã€ç‰¹å®šã®ç¦æ¢ãƒ¯ãƒ¼ãƒ‰ã‚’å«ã‚€ã‚‚ã®ã¨å«ã¾ãªã„ã‚‚ã®ã‚’入れã¦ã¿ãŸã‚Šã€åŒã˜å†…容を複数ã®IPアドレスã‹ã‚‰å…¥ã‚Œã¦ã¿ãŸã‚Šã—
1
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
http://recaptcha.net/
{{#tags}}- {{label}}
{{/tags}}