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