X-Content-Type-Options

Checks for MIME type sniffing protection


Rule ID	`security/x-content-type`
Category	Security
Scope	Site-wide
Severity	info
Weight	3/10

Solution

X-Content-Type-Options: nosniff prevents browsers from MIME-sniffing responses, which could lead to security vulnerabilities. This is especially important for sites that allow file uploads or serve user-generated content. Simply add the header: X-Content-Type-Options: nosniff. This has no downside and improves security.

Enable / Disable

Disable this rule

squirrel.toml

toml

[rules]
disable = ["security/x-content-type"]

Disable all Security rules

squirrel.toml

toml

[rules]
disable = ["security/*"]

Enable only this rule

squirrel.toml

toml

[rules]
enable = ["security/x-content-type"]
disable = ["*"]

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