Anti-spam team, Confirmed users
99
edits
(added contribute.json to the standard) |
(added priority / difficulty columns, bunch of updates to cheat sheet) |
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= Web Security Cheat Sheet = | = Web Security Cheat Sheet = | ||
{| class="wikitable" style="width: 100%;" | {| class="wikitable sortable" style="width: 100%;" | ||
|- | |- | ||
! Guideline | ! Guideline | ||
! Priority | |||
! Difficulty | |||
! Requirements | ! Requirements | ||
! Notes | ! Notes | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| [[#HTTPS|<span style="color: black;">HTTPS</span>]] | | [[#HTTPS|<span style="color: black;">HTTPS</span>]] | ||
| style="text-align: center;" | P1 | |||
| style="text-align: center;" | Medium | |||
| Mandatory | | Mandatory | ||
| Use the most secure TLS configuration for your user base | | Use the most secure TLS configuration for your user base | ||
|- style="background-color: #E99696;" | |- style="background-color: #E99696;" | ||
| style="padding-left: 1.5em;" | [[#HTTP Public Key Pinning|<span style="color: black;">Public Key Pinning</span>]] | | style="padding-left: 1.5em;" | [[#HTTP Public Key Pinning|<span style="color: black;">Public Key Pinning</span>]] | ||
| style="text-align: center;" | P5 | |||
| style="text-align: center;" | High | |||
| Mandatory for maximum risk sites only | | Mandatory for maximum risk sites only | ||
| Not recommended for most sites | | Not recommended for most sites | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| style="padding-left: 1.5em;" | [[#HTTP Redirections|<span style="color: black;">Redirections from HTTP</span>]] | | style="padding-left: 1.5em;" | [[#HTTP Redirections|<span style="color: black;">Redirections from HTTP</span>]] | ||
| style="text-align: center;" | P1 | |||
| style="text-align: center;" | Easy | |||
| Mandatory | | Mandatory | ||
| Websites must redirect to HTTPS, API endpoints should disable HTTP entirely | | Websites must redirect to HTTPS, API endpoints should disable HTTP entirely | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| style="padding-left: 1.5em;" | [[#HTTP Strict Transport Security|<span style="color: black;">Strict Transport Security</span>]] | | style="padding-left: 1.5em;" | [[#HTTP Strict Transport Security|<span style="color: black;">Strict Transport Security</span>]] | ||
| style="text-align: center;" | P1 | |||
| style="text-align: center;" | Easy | |||
| Mandatory for all websites | | Mandatory for all websites | ||
| Minimum allowed time period of six months | | Minimum allowed time period of six months | ||
|- style="background-color: #E8E27A;" | |- style="background-color: #E8E27A;" | ||
| [[#Content Security Policy|<span style="color: black;">Content Security Policy</span>]] | | [[#Content Security Policy|<span style="color: black;">Content Security Policy</span>]] | ||
| style="text-align: center;" | P2 | |||
| style="text-align: center;" | High | |||
| Mandatory for new websites<br>Recommended for existing websites | | Mandatory for new websites<br>Recommended for existing websites | ||
| Disabling inline script is the | | Disabling inline script is the greatest concern for CSP implementation | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| [[#Cookies|<span style="color: black;">Cookies</span>]] | | [[#Cookies|<span style="color: black;">Cookies</span>]] | ||
| style="text-align: center;" | P3 | |||
| style="text-align: center;" | Easy | |||
| Mandatory | | Mandatory | ||
| All cookies must be set with Secure, and set as restrictively as possible | | All cookies must be set with the Secure flag, and set as restrictively as possible | ||
|- style="background-color: # | |- style="background-color: #E8E27A;" | ||
| [[#contribute.json|<span style="color: black;">contribute.json</span>]] | | [[#contribute.json|<span style="color: black;">contribute.json</span>]] | ||
| Mandatory for all websites | | style="text-align: center;" | P4 | ||
| style="text-align: center;" | Easy | |||
| Mandatory for all new websites<br>Recommended for existing sites | |||
| Websites should serve contribute.json and keep contact information up-to-date | | Websites should serve contribute.json and keep contact information up-to-date | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| [[#Cross-origin Resource Sharing|<span style="color: black;">Cross-origin Resource Sharing</span>]] | | [[#Cross-origin Resource Sharing|<span style="color: black;">Cross-origin Resource Sharing</span>]] | ||
| style="text-align: center;" | P3 | |||
| style="text-align: center;" | Easy | |||
| Mandatory | | Mandatory | ||
| Origin sharing headers and files should not be present, except for specific use cases | | Origin sharing headers and files should not be present, except for specific use cases | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| [[#CSRF Prevention|<span style="color: black;">Cross-site Request Forgery | | [[#CSRF Prevention|<span style="color: black;">Cross-site Request Forgery Tokenization</span>]] | ||
| | | style="text-align: center;" | P2 | ||
| Mandatory for websites that allow destructive changes<br>Unnecessary for all other websites | | style="text-align: center;" | Varies | ||
| Varies | |||
| Mandatory for websites that allow destructive changes<br>Unnecessary for all other websites<br>Most application frameworks have built-in CSRF tokenization to ease implementation | |||
|- style="background-color: #CCCCCC;" | |- style="background-color: #CCCCCC;" | ||
| [[#robots.txt|<span style="color: black;">robots.txt</span>]] | | [[#robots.txt|<span style="color: black;">robots.txt</span>]] | ||
| style="text-align: center;" | P5 | |||
| style="text-align: center;" | Easy | |||
| Optional | | Optional | ||
| Websites that implement robots.txt must use it only for noted purposes | | Websites that implement robots.txt must use it only for noted purposes | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| [[#Subresource Integrity|<span style="color: black;">Subresource Integrity</span>]] | | [[#Subresource Integrity|<span style="color: black;">Subresource Integrity</span>]] | ||
| | | style="text-align: center;" | P5 | ||
| | | style="text-align: center;" | Moderate | ||
| Varies | |||
| Recommended for websites that load JavaScript or stylesheets from non-Mozilla sources<br>Unnecessary for all other websites | |||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| [[#X-Content-Type-Options|<span style="color: black;">X-Content-Type-Options</span>]] | | [[#X-Content-Type-Options|<span style="color: black;">X-Content-Type-Options</span>]] | ||
| | | style="text-align: center;" | P3 | ||
| style="text-align: center;" | Easy | |||
| Recommended for all websites | |||
| Websites should verify that they are setting the proper MIME types for all resources | | Websites should verify that they are setting the proper MIME types for all resources | ||
|- style="background-color: #9EDB58;" | |- style="background-color: #9EDB58;" | ||
| [[#X-Frame-Options|<span style="color: black;">X-Frame-Options</span>]] | | [[#X-Frame-Options|<span style="color: black;">X-Frame-Options</span>]] | ||
| style="text-align: center;" | P2 | |||
| style="text-align: center;" | Easy | |||
| Mandatory for all websites | | Mandatory for all websites | ||
| Websites that don't use DENY or SAMEORIGIN must employ clickjacking defenses | | Websites that don't use DENY or SAMEORIGIN must employ clickjacking defenses | ||
|- style="background-color: #E8E27A;" | |- style="background-color: #E8E27A;" | ||
| [[#X-XSS-Protection|<span style="color: black;">X-XSS-Protection</span>]] | | [[#X-XSS-Protection|<span style="color: black;">X-XSS-Protection</span>]] | ||
| style="text-align: center;" | P3 | |||
| style="text-align: center;" | Moderate | |||
| Mandatory for all new websites<br>Recommended for existing websites | | Mandatory for all new websites<br>Recommended for existing websites | ||
| Manual testing should be done for existing websites, prior to implementation | | Manual testing should be done for existing websites, prior to implementation | ||
|} | |} |