Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: HTTP Header Usage Statistics HTTP Header Usage Statistics


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This is a continuation of work started by Brough Davis as part of his software security project for his Masters in Information Security Engineering. The main goal of this project is to find how many sites use security relevant headers, like for example the X-XSS-Protection or X-Frame-Options headers.

Below you will find a table/histogram showing how many times we found each header (security relevant or not). We access the index page of each site using a "head" request. The list of sites is derived from Alexa's Top 1 Million sites. We try to poll as many sites as possible each day.

As we collect more data, we will plot changes over time.



All Headers Active In The Past Month
Header Popularity
Set-Cookie
Content-Type
Date
Connection
Server
Cache-Control
Vary
Expires
X-Frame-Options
Content-Length
Strict-Transport-Security
X-Content-Type-Options
Last-Modified
Cf-Request-Id
CF-Cache-Status
Accept-Ranges
Pragma
Link
X-Powered-By
ETag
Expect-CT
X-XSS-Protection
CF-RAY
Via
Age
X-Cache
Content-Security-Policy
Access-Control-Allow-Origin
Content-Language
Referrer-Policy
X-Amz-Cf-Pop
X-UA-Compatible
P3P
X-Amz-Cf-Id
X-Cache-Hits
Alt-Svc
X-Served-By
CF-Ray
X-Xss-Protection
X-Timer
X-Download-Options
X-Varnish
Access-Control-Allow-Headers
Access-Control-Allow-Methods
X-Request-Id
Access-Control-Allow-Credentials
X-AspNet-Version
X-Runtime
Content-Security-Policy-Report-Only
X-Drupal-Cache
X-Check
X-Adblock-Key
X-Permitted-Cross-Domain-Policies
X-Request-ID
X-Cache-Status
X-Generator
X-Cacheable
X-Kinja-Server-Push
Timing-Allow-Origin
X-DNS-Prefetch-Control
X-Iinfo
X-Content-Security-Policy
Content-Encoding
Status
X-CDN
X-AspNetMvc-Version
P3p
X-Envoy-Upstream-Service-Time
Upgrade
X-Drupal-Dynamic-Cache
Access-Control-Max-Age
Access-Control-Expose-Headers
Keep-Alive
X-Via
X-Ws-Request-Id
Feature-Policy
X-Age
X-Cache-Group
X-Server
X-Backend
X-Amz-Request-Id
X-Hacker
X-Dns-Prefetch-Control
X-Robots-Tag
X-Amz-Id-2
Request-Context
X-Proxy-Cache
X-AH-Environment
X-UA-Device
EagleId
X-Turbo-Charged-By
X-Server-Powered-By
Server-Timing
X-Nginx-Cache-Status
Grace
Host-Header
Report-To
X-Template
X-Rq
X-Language
Xkey
X-Page-Speed
X-Varnish-Cache
X-Ua-Compatible
X-OneAgent-JS-Injection
X-Swift-CacheTime
X-Swift-SaveTime
X-Pingback
Cf-Railgun
Ali-Swift-Global-Savetime
X-LiteSpeed-Cache
X-Styx-Req-Id
X-Pantheon-Styx-Hostname
X-Amz-Version-Id
X-Vhost
X-Host
X-WebKit-CSP
X-Backend-Server
NEL
X-Buckets
X-Server-Id
X-Device
X-Dispatcher
Accept-CH-Lifetime
Surrogate-Control
Request-Id
X-Node
Accept-CH
X-Ruxit-JS-Agent
Content-Location
EagleEye-TraceId
X-Response-Time
X-Akam-SW-Version
Allow
X-Cache-Lookup
X-Ac
X-Origin-Cache
X-Readtime
X-Country
X-Mod-Pagespeed
Rating
X-HW
X-Application-Context
X-Cloud-Trace-Context
X-ORACLE-DMS-ECID
X-EdgeConnect-MidMile-RTT
X-EdgeConnect-Origin-MEX-Latency
X-CST
Edge-Control
X-MS-InvokeApp
Pinterest-Generated-By
X-ORACLE-DMS-RID
X-Vname
X-PC
X-TtlSet
X-Cnection
X-Country-Code
X-Varnish-TTL
X-ASPNET-VERSION
X-DataDome
X-FastCGI-Cache
X-GitHub-Request-Id
X-Content-Type
X-D2id
Display
Pagespeed
X-Sol
X-Middleton-Response
Response
X-Middleton-Display
X-Clacks-Overhead
MS-Author-Via
X-Trace
X-ESI
X-Server-Name
X-Pinterest-Rid
Pinterest-Version
X-Url
X-TTL
X-B3-TraceId
X-Origin-Upstream-Status
X-Vcap-Request-Id
X-Px
X-Rack-Cache
X-Navigation-Version
X-Abt-Application-Version
Service-Worker-Allowed
Fusion-Component-Id
Fusion-Content-Source
Fusion-Template-Id
Fusion-Source
Fusion-Deployment-Id
Fusion-Content-Id
Verso
Arr-Disable-Session-Affinity
X-Client-IP
X-Cache-TTL
X-Webkit-CSP
X-Element-Page-Cache
X-Cached
X-Dw-Request-Base-Id
X-FTR-Request-ID
X-Fastly-Request-ID
SPRequestGuid
X-SharePointHealthScore
X-VARITI-CCR
X-Kinja-Server
X-Kinja
X-Kinja-Build
X-Exp-Variant
X-GoogleNews-Bot
X-Cdn-Fetch
X-Kinja-Revision
X-Exp-Id
X-Use-Magma
X-Goog-Hash
X-Pinterest-Direct
X-DynaTrace
X-NF-Request-ID
X-Upstream
X-Powered-By-Plesk
AR-ATIME
AR-Request-ID
AR-PoweredBy
AR-CACHE
Fastly-Restarts
Ar-Sid
SPIisLatency
SPRequestDuration
X-Debug
X-MSEdge-Ref
Content-MD5
X-Powered-CMS
Access-Control-Request-Method
X-Amz-Rid
X-Release
X-Forwarded-Proto
X-Version
S
X-Jurisdiction
X-Edge
X-T
X-Content-Digest
TCN
X-XRDS-Location
RTSS
X-Ezoic-Cdn
Public-Key-Pins
TP-L2-Cache
TP-Cache
Cache-Tag
Front-End-Https
X-MCACHE
X-Mg-S
X-Mid
X-HP-Webp
X-Cache-Key
X-Node-Name
X-Amz-Server-Side-Encryption
X-Yandex-Sdch-Disable
Server-Node
Fastcgi-Cache
MRF-Tech
X-B3-TraceId-Primal
X-SRCache-Store-Status
Mrf-Cache-Status
X-SRCache-Fetch-Status
X-Request-Processing-Time
X-Request-Received
X-Recruiting
X-Grace
X-PressLabs-Stats
X-Amzn-Trace-Id
X-Accel-Expires
X-Kinsta-Cache
X-Ser
MicrosoftSharePointTeamServices
Accept-Ch
X-Litespeed-Cache
X-Microsite
X-Request-Handler-Origin-Region
X-Origin-Server
X-Varnish-Age
X-Ttl
X-DIS-Request-ID
Accept-Charset
X-NWS-LOG-UUID
X-Content-Security-Policy-Report-Only
ServerID
Edge-Cache-Tag
X-Forwarded-For
X-Shield-Request-Id
X-Logged-In
X-Page-Id
Powered-By-ChinaCache
Nginx-Cache
X-ECACHE
Host
X-Ratelimit-Remaining
X-Server-ID
X-Cache-Hit
Cache-Tags
X-Hits
Cleartype
X-LB-Cache
X-F-Cache
X-Activity-Id
X-AppVersion
X-Az
X-Respond-Thread
X-B
X-Mobile-URL
X-Hostname
X-N
X-Aspnetmvc-Version
X-Git-Hash
X-Upgrade-Enabled
X-Kong-Upstream-Latency
X-Cached-By
X-Kong-Proxy-Latency
Realpath
X-Amz-Meta-S3cmd-Attrs
X-Load-Cache
X-Content-Options
X-Cache-Age
DynaTrace
X-Rid
X-App-Environment
X-Varnish-Backend
X-Ratelimit-Limit
Paypal-Debug-Id
X-Request-Guid
X-Type
X-Oneagent-Js-Injection
Access-Control-Allow-Method
X-Jobs
Alternate-Protocol
Fastcgi-Useragent
X-FTR-DC
X-FTR-Backend
X-FTR-Realm
X-FTR-Balancer
X-FTR-Cache-Status
X-Country-Code-Real
X-FTR-Backend-Server
X-FTR-Expires
X-WebKit-CSP-Report-Only
X-Seen-By
Charset
X-HS-Hub-Id
X-HS-Content-Id
X-HS-Cache-Config
X-Proxy
X-HS-Combine-CSS
X-Goog-Stored-Content-Encoding
X-Goog-Storage-Class
X-Goog-Stored-Content-Length
X-Goog-Generation
X-Goog-Metageneration
X-GUploader-UploadID
X-B3-Sampled
Filters
X-Akamai-Edgescape
Viewport
X-Zen-Fury
X-VCache
X-IPLB-Instance
MS-CV
X-Mobile
X-Whom
X-Signature
X-B-Cache
X-AOL-HN
X-Debug-Info
X-FB-Debug
Healthy
X-Host-Name
X-Geo-Country
X-TEC-API-ROOT
X-TEC-API-VERSION
X-TEC-API-ORIGIN
X-FireWall-Port
X-User-Agent
Liferay-Portal
DC
X-Varnish-Grace
X-Region
Payment
X-Daa-Tunnel
Filterid
X-Original-Request-Id
X-Correlation-ID
X-Amz-Replication-Status
X-Response-Served-From
AMP-Access-Control-Allow-Source-Origin
X-Accel-Buffering
X-Id
X-Tec-Api-Version
X-Cache-Rule
X-Cache-Operation
X-Tec-Api-Origin
X-Tec-Api-Root
X-Frontend
X-XRDS-LOCATION
X-HTML-Minification-Powered-By
Accept-Ch-Lifetime
X-Tumblr-Pixel-0
X-Tumblr-Pixel
X-Rule
X-Tumblr-Pixel-1
Surrogate-Key
X-Tumblr-Pixel-2
X-Tumblr-User
X-Distributor
X-UUID
X-Instance
X-App-Server
X-Cache-Time
X-FW-Serve
X-FW-Type
X-FW-Static
X-FW-Server
X-FW-Hash
X-FW-Dynamic
Refresh
X-Protected-By
Section-Io-Cache
X-Cacheable-TTL
S-Cnection
X-Cache-Expired-At
X-Cache-Spec
Version
X-Via-JSL
X-Content-Powered-By
X-Cache-Action
CACHE
X-Hyper-Cache
X-Acc-Debug-Context
X-Wix-Request-Id
X-Backend-Name
X-Rendered-As
X-Is-Bot
Nel
X-Sucuri-ID
X-Ua
Server-Name
GEO-INFO
X-Air-Hostname
Retry-After
Content-Disposition
X-Ah-Environment
X-Cache-Server
X-Amzn-RequestId
X-Amz-Apigw-Id
X-URL
PB-RID
PB-PID
X-Real-IP
X-Endurance-Cache-Level
Arc-Version
X-Pinterest-Sli-Response-Type
X-Framework
X-Pinterest-Sli-Latency-Threshold
X-Pinterest-Sli-Endpoint-Name
X-Correlation-Id
Eomportal-Instance
X-Environment-Context
X-ProcessESI
X-L-Path
Countrycode
X-RemovedCookies
X-Source
X-Yottaa-Metrics
X-Yottaa-Optimizations
X-RTag
X-Revision
Ms-Operation-Id
Webserver
X-Unique-Id
X-Drupal-Cache-Contexts
Datacenter
X-Sucuri-Cache
X-EdgeConnect-Cache-Status
Frame-Options
X-Route-Name
X-Aspnet-Duration-Ms
X-Is-Crawler
X-Flags
X-Providence-Cookie
Referer-Policy
X-Drupal-Cache-Tags
X-LLID
X-DynaTrace-JS-Agent
X-ES-SERVER
X-NewRelic-App-Data
X-Cache-Var-Map
X-Varnish-Server
X-Cache-Var
Meta-Geo
X-RN-RSRV
X-App-Version
X-ProxyCache-Key
X-Timing-Wait
X-Hl-Ver
X-Proxy-Build
X-Cache-Control
X-BYPASS-REASON
Selected-Fe
X-Mode
X-WA-Info
X-Proxy-Cache-Status
X-ProxyCache-Status
X-Cache-Host
X-Qloud-Router
X-Time-Microsecs
Cache-Tv-Group
X-R9-Blue-Green-Version
X-Xfnlog-Site
X-Adobe-Content
X-Be
X-Cluster
X-Amzn-Remapped-Content-Length
X-AWS-Id
X-Proto
X-Handled-By
X-Cache-TTL-Remaining
X-TT
X-Human
X-Contextid
X-ServerID
X-Labrador-Cache-Channel
X-LJ-Flow-ID
X-No-Session
X-Server-W
Ec-Rule-Version
X-PHP-Host
X-Redis-Cache
Cross-Origin-Window-Policy
X-VWS-Id
X-Adobe-Loc
X-Loop
X-Hosted-By
DB-Nickname
TWC-Device-Class
X-TNCMS
X-GeoIP
Property-Id
Mn-Server-Ip
TWC-GeoIP-Country
TWC-Connection-Speed
X-Proxied
TWC-GeoIP-LatLong
X-Zipkin-Id
X-PCL
X-Azure-Ref
X-NYM-Debug-Backend
X-Origin-Hint
X-OCL
X-Routing-Service
X-Site-Version
X-FB-TRIP-ID
X-Locale
Webcakes-App-Name
TWC-Privacy
TWC-Locale-Group
Webcakes-App-Version
Webcakes-Region
X-Via-Fastly
NGB
X-FW-Version
X-Status
Akamai-Age-Ms
X-Detected-As
X-TIME
X-Tt-Trace-Host
FSS-Cache
X-From
X-AIR-PT
X-Tt-Trace-Tag
X-Section
X-Format
X-Access
X-CDN-Forward
Upgrade-Insecure-Requests
X-Device-Type
VIX-Pulpo-Upstream-Status
VIX-Pulpo-Node
X-Debug-Cache
X-Cache-PHP
X-Generated-By
X-ATG-Version
X-Ratelimit-Reset
Uber-Trace-Id
X-NC
X-BCube-Filmed-By
Azure-Version
Azure-RegionName
Azure-InstanceId
Azure-SlotName
Azure-SiteName
X-UPSTREAM-Address
X-CSRF-Token
Access-Control-Request-Headers
X-Page-View
X-Varnish-Cache-Hits
X-PHP-Backend
OT-Force-Account-Verify
Cache
Cache-Status
X-Akamai-Transformed
SD-X-WS
From-Origin
X-APP-VERSION
X-Adobe-Source
X-NCache
X-G
X-GoCache-CacheStatus
X-CCM
X-Backend-TTL
X-Cache-2
X-Cluster-Name
X-Varnishpool
X-LAGOON
X-Oss-Request-Id
X-Oss-Hash-Crc64ecma
X-Origin
X-Oss-Object-Type
SRV
X-Oss-Server-Time
X-Oss-Storage-Class
X-Shopify-Stage
X-Soup
X-Storefront-Renderer-Rendered
X-Cache-Grace
X-Alternate-Cache-Key
Country
X-Sorting-Hat-ShopId
X-ShopId
X-Sorting-Hat-PodId
Cf-Bgj
X-ShardId
X-Web-Node
X-Say-Cacheable
X-Say-TTL
X-Pubstack
X-SayCDN-TTL
X-Forwarded-Host
Decoy-Debug-Status
X-Via-CDN
Decoy-Debug-Key
X-Backend-Host
X-ID
Decoy-Debug-TTL
X-Time
X-Storage
Fastly-SSL
X-ApacheServer
X-GEO
CF-Cached-On
X-PERF
X-FTR-Cache-Host
X-ECache
X-SaId
Node
X-Ruxit-Js-Agent
X-JoinUs
X-Erf-Bev-Bev
X-TX-ID
X-IP
X-EC-Lua
X-Cache-Config
X-Cache-Remote
X-Erf-Bev-Bev-Is-Generated
Apple-News-Services-Handled
Apple-News-Services-Host
X-A-Dam
X-Request-UUID
X-RCS-CacheZone
X-Rewrite-Enabled
X-Rojux
X-S
X-Processor
X-PBS-Appsvrname
X-D
X-Destination
X-External-Request-Id
X-PAYTM-SRV-ID
X-S-Cookie
X-ScT
X-Vtex-Processado-Em
X-Vtex-Remote-Cache
X-Worker
Xc-Version
X-VG-WebServer
X-VG-WebCache
X-Session-Fingerprint
X-Trv-Group
X-Vdms-Path
X-Vdms-Version
X-CF-Lambda-Version
X-CF-Lambda-Fn
Machine
MD5-Digest
Meta-Geo-Continent
Mobile-Detection-Method
Host-ID
Gh-Request-Id
Apple-News-Services-Request-Url
DCR-Decision-By
DCR-Processing-Time-Ms
Fastcgi-X-Cache-Version
Rendered-Blocks
X-A
X-ARC
X-Auto-Login
X-B-Cookie
X-Cache-NE
X-Application
X-Aed
X-A-Ccd
X-A-Dcw
X-A-Dgt
X-A-Wwc
Apple-News-Services-Parsed-Url
X-Connection-Hash
X-Viewer-Country
X-Cache-Enabled
X-Request-Host
X-Irp-Debug
CDN-Uid
X-Servername
X-WADP-Cache
X-Request-Start
CDN-RequestId
X-B3-Spanid
Platform
X-Rebelmouse-Surrogate-Control
CDN-PullZone
CDN-RequestCountryCode
Is-Eu
X-Micro-Cache
X-Tumblr-Pixel-3
CloudFront-Viewer-Country
X-Ms-Request-Id
X-Ms-Version
X-Thanos
Fastly-SIE
Fastly-SWR
X-Varnish-CookieINHashed-On
X-Varnish-Remaining-TTL
X-Varnish-CookieHashed-On
X-Microcachable
X-Variation
X-Rebelmouse-Cache-Control
X-Policy
X-Clientip
X-Clara-WADP
X-Cms-Context
X-SN
C-Via
X-Bip
X-Platform-Server
X-Cache-Debug
X-Platform
X-Cache-Bucket
CDN-Cache
X-CUA
X-Core-Value
X-Fastly-Cache
CDN-EdgeStorageId
X-Fmm-Version
Adler-Geo
X-Generation-Time
X-DefElseHash
X-DPWN-IS-SECURE
X-DefHash
Powered
CDN-CachedAt
X-Sql-Duration-Ms
X-Sql-Count
Backend
X-B3-Traceid
X-Mvc-Supplant-Cachable
X-OVcl
X-Cache-NGX
X-Is-Gdpr
X-Dispatcher-Server
X-Envoy-Decorator-Operation
X-Esi-Check
X-Generated-On
X-Branch-Name
X-Cache-Backend
X-Cache-Tags
X-Cache-Id
X-Cache-Date
X-Geo-Header
X-Gzip
CacheControlHeader
X-JWT-State
X-Level-Front-Cache
X-Location
X-HS-Content-Campaign-Id
X-Has-Esi
Pagetype
Origin
NM-Fastcgi-Cache
Fastly-Backend-Name
X-OVcl-Cache
X-Li-Fabric
X-Li-Pop
X-Varnish-Beresp-Status
X-Old-Content-Length
X-Varnish-Beresp-Grace
X-PF-Uncompressing
X-VG-TLSProxy
X-Fastly-Backend
X-Webstats-RespID
Rt-Fastcgi-Cache
X-Owner
X-LI-UUID
AKAMAI
X-Skip-Cache
X-Reqid
X-Render-Time
X-Varnish-Ttl
X-Varnish-Beresp-Ttl
X-Esi
X-IPS-LoggedIn
Wxu-Next-Region
X-Wikidot-Backend
X-HN
Fastly-Drupal-HTML
PFcat
X-Content-Age
UCS
Wxu-Next-Commit
X-Eu-Site
X-Wikidot-Static-Cache
Wxu-Next-Hostname
X-Developers
X-Csrf-Jwt
X-Hash
X-Varnish-Cacheable
X-Slack-Backend
X-CGP
Akamai-GRN
X-Backend-State
X-COUNTRY
X-Method
L5d-Success-Class
X-Gamma-Serve
L
X-VarnishDD-TTL
Ha-Gx-Prefs
HA-Ipaddr
X-Core-Mission
X-NWS-UUID-VERIFY
FSS-Proxy
X-Refresh
X-Www-Served-By
X-Bc-Bl
X-Dc
Protected
X-SRV
X-Transaction
X-S-Maxage
X-NU-AKA-ACS-Version
X-Twitter-Response-Tags
Cache-Hits
X-Aicache-OS
X-Wa
XServer
X-NODE
X-Minions-Version
X-Check-Cacheable
X-EIG-Tracking-Id
X-Ftr-Cache-Host
X-Mvc-Supplant-OutputCached
NGX
X-CS
Country-Code
X-RateLimit-Remaining
X-Amz-Meta-Cb-Modifiedtime
X-DC
X-NGENIX-Cache
X-TA-CDN-Provider
X-UA
On-Server
X-Via-Popn
X-Via-Poph
X-Svr
X-LB-ID
X-Date
HostName
Surrogated-Key
X-Accel-Expires-Debug
Hostname
X-Debug-Cache-Store
X-Debug-Cache-Fetch
ServedBy
X-Edge-Location
Edge-Copy-Time
Mail-Subject
X-Ua-Device
X-Erf-Stays-Bingo-Pdp-Web
X-Via-Edge
We-Hiring
X-Up
X-FPC
X-LI-Proto
X-Request-Time
X-Req
X-Varnish-Hostname
X-Via-SSL
X-Servedbyhost
X-Vgn-Hpd-Variations-Key
X-Vgn-Hpd-Cached
X-CACHE-AGE
Group
Memcached
X-Dynatrace
X-Proxy-Upstream
X-Pass-Why
X-Cs
GeoIp-Country-Code
Geoip-Latitude
Ufe-Result
X-Nginx-Cache
X-NGINX-Cache
X-Cdn-Srv
T-Server
X-Cache-URL
X-Presslabs-Stats
X-Webkit-Csp
X-Uri
X-Fastcgi-Cache
Section-Io-Origin-Time-Seconds
Section-Io-Origin-Status
Section-Origin-Responded
Section-Io-Id
Time
X-BC
X-Cdn-Forward
N-Cache
WZWS-RAY
Now
X-ZONE
Server-Host
X-Varnish-Hits
X-SB
X-TT-LOGID
Pics-Label
X-Acc-Rdl
X-Cluster-Node
X-Agile-Age
X-Agile
Ohc-File-Size
X-Agile-Id
X-VCL-Version
X-VC
DSUID
X-UnsetCookies
Cache-Name
Ohc-Cache-HIT
Magicmarker
X-Oracle-Dms-Rid
X-Datadome
X-Info
X-UA-Device-Type
X-MP-GENERATED-AT
X-CSRF-TOKEN
X-Hp-Webp
Xserver
X-CF-Powered-By
X-Origin-Date
X-Srv
X-LiteSpeed-Cache-Control
X-HS-Status
M-TraceId
NtCoent-Length
Odigeo-Trace-Id
SID
User-Cache-Control
Tracecode
X-We-Are-Hiring
X-Zone
Sid
X-Via-Popv
X-Bc
Processtime
X-Dynatrace-Js-Agent
S-Rt
User-Agent
X-APP
Apigw-Requestid
Arc-Country
X-MSEdge-Features
Ssr
W
X-MSEdge-Flight
ProcessTime
LB
X-Magnolia-Registration
Viewtype
VivaBuild
Server-Info
Cdn-Request-Time
CF-IPCountry
X-CACHE-KEY
Cteonnt-Length
Lfy
X-Via-Ucdn
X-Edge-Server
Cdn-Host
CDN
X-FORWARDED-FOR
X-HOST
Srv
X-SRCache-Key
X-Cc-Req-Id
X-Origin-Expires
Server-Ext
Server-Hostname
Thinkindot-CacheControl-Type
SR-User-Adfree
Sever-Int
Thinkindot-Control
Thinkindot-CacheControl
X-Scheme
X-Origin-TTL
X-Origin-CC
X-Vcl-Version
X-Origin-Time
X-Nyt-Route
X-VServer
X-Request-URI
Instruction
X-Action
X-Node-Id
X-Cc-Via
D-Cc-Upstream
IsBot
Path
X-API-Version
X-Cache-Info
X-Response-By
X-SIPLIST1
X-Gdpr
X-Cache-Expires
X-Developer
X-Contensis-Viewer-Groups
X-Tb
X-Gen-Mode
X-Loc
X-Matched-Rule
X-SVT-ORM-RULES
Memory
X-RunCloud-Cache
X-Nginx-Cache-Key
X-Server-IP
X-SVT-ORM-VERSION
X-Hnp-Log
Web-Mar-Node
X-Varnish-Authentication
X-SD-PageType
X-Thinkindot-L3
X-Cache-ASPX
X-Block-Status
X-BBXSRF
WWW-Authenticate
X-BBC-Edge-Cache-Status
X-HITS
X-Fastly-Request-Id
X-Azure-Ref-OriginShield
X-Swa-Ws
X-Cdn-Origin
X-Trace-Id
X-User
X-Goog-Meta-Goog-Reserved-File-Mtime
X-GeoIP-City
X-Sn-Servicetimems
X-Fetched-On
X-Device-Os
X-Var-Ttl
Vix-Hermes-Req-Id
MIME-Version
Locid
CDCHOST
Pramga
Release
V-Age
True-Client-Country-4JS
X-Varnish-Url
Cache-Host
X-Unique-ID
X-Oss-Cdn-Auth
X-DW
X-RPM
X-RPS
X-Cache-Hm
X-RSL
X-DSS
X-DI
X-Pjax-Url
Geo-Info
X-Cache-Hfrom
CountryCode
X-DB
Amp-Access-Control-Allow-Source-Origin
WebServer
X-Webkit-CSP-Report-Only
X-FC-Vary-Parameters
X-Generated-In
X-Vgn-Hpd-Ssi
Server-ID
X-NodeID
A
X-Newrelic-Synthetics
X-Browser-Type
GeoIP-Latitude
X-Lb-Id
Source
GeoIP-Country-Code
X-Fastly-Country-Code
Lb
X-Traceid
Cf-Device-Type
X-Newrelic-App-Data
X-Hit
X-Geo
X-Provided-By
X-Origin-Response-Time
X-Li-Proto
X-Nc
X-ServedByHost
X-Via-NSCOPI
Cdn
X-Fpc
X-Cache-Tag
X-Via-PopH
X-Akamai-Request-ID2
FNAC-ModuleRouting
X-Men
X-Via-PopV
X-Via-PopN
Expiry
Server-Ttl
Kp-EeAlive
Url
X-Rocket-Build-Number
Cache-Key
X-Akamai-Pragma-Client-IP
X-SERVER-NAME
X-Envoy-Upstream-Healthchecked-Cluster
X-Sigma-Backend
X-Served-From
X-Sigma
X-TH-Server
X-Epic-Correlation-Id
X-Vgn-Hpd-Reason
X-B3-SpanId
X-BBC-Origin-Response-Status
X-Parent-Response-Time
X-MiniProfiler-Ids
X-StackifyID
EpKe-Alive
X-Proxy-Cachei7
Xkeyi7
X-WA
Location
Cache-Provider
Content-Script-Type
Accept-Language
Content-Style-Type
X-No-Cache
X-Tt-Logid
X-VC-Cache
X-Akamai-Request-ID
X-B3-Parentspanid
X-TraceId
BehaviorPad-Version
X-Agile-Brick-Ok
Req-Svc-Chain
X-ND-Cache
X-Request-URL
X-RateLimit-Limit-Second
Content-Secure-Policy
X-Amzn-Remapped-Connection
X-Amzn-Remapped-Date
X-ServiceProvider
X-RateLimit-Remaining-Second
X-Yottaa-OS
X-ElasticPress-Query
Esi-Enabled
URI
Tcn
X-TrackingId
X-HostName
Inserted-Into-Cache-At
X-Apw-Access-Action
Mime-Version
X-Apw-Access-Object
X-Apw-Access-Token
X-Varnish-Beresp-TTL
X-Apw-Hits
X-PJAX-URL
Who
X-Key
X-RateLimit-Limit
X-Selected-Scheme
X-Selected-Host-Header
X-Selected-Name
Server-Id
PICS-Label
X-Litespeed-Cache-Control
DataCenter
X-Snapshot-Date
X-Batcache
X-ORACLE-APMCS-REQUEST-ID
X-Instart-Request-ID
Actual-Object-TTL
X-C
Resin-Trace
Pragrma
Vha6-Origin
NnCoection
Xet-Cookie