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| -rw-r--r-- | guides/source/security.md | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/guides/source/security.md b/guides/source/security.md index a2a7e5baae..8096ea2383 100644 --- a/guides/source/security.md +++ b/guides/source/security.md @@ -554,7 +554,6 @@ NOTE: _When sanitizing, protecting or verifying something, whitelists over black A blacklist can be a list of bad e-mail addresses, non-public actions or bad HTML tags. This is opposed to a whitelist which lists the good e-mail addresses, public actions, good HTML tags and so on. Although sometimes it is not possible to create a whitelist (in a SPAM filter, for example), _prefer to use whitelist approaches_: * Use before_action only: [...] instead of except: [...]. This way you don't forget to turn it off for newly added actions. -* Use attr_accessible instead of attr_protected. See the mass-assignment section for details * Allow <strong> instead of removing <script> against Cross-Site Scripting (XSS). See below for details. * Don't try to correct user input by blacklists: * This will make the attack work: "<sc<script>ript>".gsub("<script>", "") |