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Diffstat (limited to 'guides/source/security.md')
| -rw-r--r-- | guides/source/security.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/guides/source/security.md b/guides/source/security.md index 70fb066b64..ece431dae7 100644 --- a/guides/source/security.md +++ b/guides/source/security.md @@ -549,7 +549,7 @@ Injection is very tricky, because the same code or parameter can be malicious in ### Whitelists versus Blacklists -NOTE: _When sanitizing, protecting or verifying something, whitelists over blacklists._ +NOTE: _When sanitizing, protecting or verifying something, prefer whitelists over blacklists._ 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_: |