Threat Level: green Handler on Duty: Xavier Mertens

SANS ISC: HTTP Header Usage Statistics - Internet Security | DShield 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
Content-Length
X-Frame-Options
Strict-Transport-Security
X-Content-Type-Options
Last-Modified
Accept-Ranges
Pragma
X-Powered-By
Link
ETag
CF-RAY
Expect-CT
Via
X-Cache
X-XSS-Protection
Age
Content-Security-Policy
Access-Control-Allow-Origin
Content-Language
X-Xss-Protection
X-UA-Compatible
X-Cache-Hits
X-Amz-Cf-Id
X-Served-By
P3P
Referrer-Policy
X-Varnish
X-Request-Id
X-Timer
CF-Cache-Status
Access-Control-Allow-Headers
Access-Control-Allow-Methods
X-AspNet-Version
X-Download-Options
Access-Control-Allow-Credentials
X-Runtime
P3p
CF-Ray
X-Amz-Cf-Pop
X-Drupal-Cache
X-Check
X-Adblock-Key
Alt-Svc
X-Cacheable
X-Generator
Content-Security-Policy-Report-Only
X-Cache-Status
X-DNS-Prefetch-Control
X-AspNetMvc-Version
Status
X-Template
X-Language
Timing-Allow-Origin
X-Permitted-Cross-Domain-Policies
X-Iinfo
Content-Encoding
X-Buckets
X-Content-Security-Policy
X-Turbo-Charged-By
X-Kinja-Server-Push
Upgrade
X-CDN
X-Request-ID
X-Type
Xkey
Keep-Alive
Access-Control-Expose-Headers
Access-Control-Max-Age
WPE-Backend
X-Pass-Why
X-AH-Environment
X-Backend
X-Cache-Group
X-Server
X-Age
X-Drupal-Dynamic-Cache
X-Ua-Compatible
X-Pingback
X-Via
X-Nginx-Cache-Status
Grace
X-Amz-Id-2
X-Amz-Request-Id
X-Server-Powered-By
EagleId
X-Hacker
X-UA-Device
X-Robots-Tag
X-LiteSpeed-Cache
X-Varnish-Cache
X-Page-Speed
X-Proxy-Cache
X-Swift-SaveTime
X-Swift-CacheTime
Cf-Railgun
Request-Context
X-Envoy-Upstream-Service-Time
Ali-Swift-Global-Savetime
X-Ac
X-Styx-Req-Id
X-Pantheon-Styx-Hostname
X-WebKit-CSP
X-Device
X-Cache-Lookup
X-Amz-Version-Id
Content-Location
Surrogate-Control
X-Cnection
X-Node
X-OneAgent-JS-Injection
X-Host
X-Readtime
X-Server-Id
EagleEye-TraceId
Report-To
X-Rq
X-Response-Time
Server-Timing
Feature-Policy
X-CST
X-Application-Context
X-Backend-Server
X-Rack-Cache
X-Iejgwucgyu
X-ORACLE-DMS-ECID
X-Cloud-Trace-Context
Request-Id
X-Instart-Request-ID
X-Clacks-Overhead
X-Url
NEL
Edge-Control
Allow
Rating
X-DynaTrace
X-EdgeConnect-MidMile-RTT
X-EdgeConnect-Origin-MEX-Latency
X-Varnish-TTL
X-Country
X-Origin-Cache
X-FTR-Request-ID
X-Server-ID
X-Country-Code
X-B3-TraceId
X-Cdn
X-Px
X-Trace
X-DataDome
X-Vhost
X-GitHub-Request-Id
X-Server-Name
X-VARITI-CCR
X-Ruxit-JS-Agent
X-ESI
Accept-CH
X-ORACLE-DMS-RID
X-Goog-Hash
RTSS
X-MS-InvokeApp
X-Cached
Charset
X-TTL
X-Mod-Pagespeed
SPRequestGuid
Pinterest-Generated-By
X-Vname
X-PC
Verso
X-TtlSet
Public-Key-Pins
X-D2id
X-F-Cache
X-Exp-Variant
X-GoogleNews-Bot
X-Kinja
X-Use-Magma
X-Kinja-Build
X-Kinja-Server
X-Cdn-Fetch
X-Kinja-Revision
X-Exp-Id
Arc-Version
X-Mobile-Rewrite
PB-RID
PB-PID
X-Version
X-Dispatcher
X-T
X-SharePointHealthScore
X-Powered-By-Plesk
Accept-CH-Lifetime
X-DIS-Request-ID
X-Abt-Application-Version
X-Powered-CMS
X-Fastly-Request-ID
X-Ser
X-Origin-Upstream-Status
Pinterest-Version
X-Navigation-Version
X-Upstream-Env
X-Pinterest-Rid
X-B
X-DynaTrace-JS-Agent
X-Shield-Request-Id
X-Forwarded-Proto
X-SRCache-Fetch-Status
X-SRCache-Store-Status
X-Amz-Rid
MS-Author-Via
Realpath
X-Recruiting
X-Client-IP
DynaTrace
X-HW
SPRequestDuration
SPIisLatency
X-TEC-API-VERSION
X-TEC-API-ROOT
X-TEC-API-ORIGIN
X-Upstream
X-Vcap-Request-Id
X-Goog-Stored-Content-Length
X-Goog-Stored-Content-Encoding
X-Goog-Metageneration
X-Goog-Generation
Nginx-Cache
Content-MD5
X-Accel-Buffering
X-Wix-Server-Artifact-Id
X-Amz-Meta-S3cmd-Attrs
AR-PoweredBy
AR-CACHE
AR-ATIME
X-Oracle-Dms-Rid
Arr-Disable-Session-Affinity
X-Hits
X-Varnish-Age
X-Debug
Edge-Cache-Tag
X-Ttl
X-Mrf-Item-Lastmod
X-Mrf-Section-Lastmod
X-B3-TraceId-Primal
Mrf-Cache-Status
MRF-Tech
X-Goog-Storage-Class
X-N
X-Via-JSL
X-MSEdge-Ref
X-Dw-Request-Base-Id
X-NF-Request-ID
X-Acc-Meta-Resource-Type
X-Id
Access-Control-Request-Method
X-Aspnet-Version
X-NewRelic-App-Data
TCN
X-ATG-Version
X-FTR-Balancer
X-FTR-Cache-Status
X-FTR-DC
X-FTR-Realm
X-FTR-Backend-Server
X-FTR-Backend
S
X-Country-Code-Real
X-FTR-Expires
X-XRDS-Location
Service-Worker-Allowed
X-Logged-In
Alternate-Protocol
X-Oneagent-Js-Injection
Surrogate-Key
X-Kinsta-Cache
X-Frontend
X-PressLabs-Stats
X-HS-Hub-Id
X-HS-Content-Id
Tracecode
Rt-Fastcgi-Cache
X-FastCGI-Cache
X-Content-Digest
X-Forwarded-For
X-Cache-Key
AMP-Access-Control-Allow-Source-Origin
X-Pad
X-FTR-Cache-Host
X-Grace
Fastly-Restarts
MicrosoftSharePointTeamServices
Server-Name
X-CF-Powered-By
X-Amzn-Trace-Id
X-Edge-Location
X-RateLimit-Remaining
Ar-Sid
Backend-Timing
X-Analytics
X-Content-Options
FilterID
Host
TP-L2-Cache
X-User-Agent
Fastcgi-Cache
X-Cache-2
TP-Cache
X-Magnolia-Registration
X-Rid
ServerID
X-Ruxit-Js-Agent
X-B3-Sampled
X-Debug-Info
X-Whom
X-IPLB-Instance
X-Revision
X-Page-Id
Eomportal-Instance
X-Mobile
X-Hostname
X-Request-Received
X-Request-Processing-Time
X-Srv
AR-Request-ID
X-NWS-LOG-UUID
X-Akam-SW-Version
X-VCache
Front-End-Https
Paypal-Debug-Id
X-AOL-HN
Retry-After
Refresh
X-TA-CDN-Provider
X-Content-Powered-By
X-Signature
X-LB-Cache
X-B-Cache
X-Cluster
X-Request-Guid
X-Cache-Action
X-Framework
X-Device-Type
X-Varnish-Hostname
X-App-Environment
X-FB-Debug
Source
X-SS-Set-Cookie
X-Handled-By
Cleartype
X-Cache-Control
X-Instance
X-Cache-Hit
X-WA-Info
X-Akamai-Edgescape
X-Tumblr-User
X-Tumblr-Pixel-0
X-XRDS-LOCATION
X-Tumblr-Pixel
X-Content-Security-Policy-Report-Only
X-GUploader-UploadID
X-BCube-Filmed-By
X-Platform-Server
X-Varnish-Grace
X-Litespeed-Cache
X-Az
X-AppVersion
X-Activity-Id
X-Correlation-Id
X-Zen-Fury
X-Fastcgi-Cache
Webserver
X-Sol
X-Content-Type
X-HS-Cache-Config
X-Middleton-Display
X-Varnish-Backend
Display
VIX-Pulpo-Node
VIX-Pulpo-Upstream-Status
X-Esi
Healthy
X-Cache-Rule
X-Cache-Server
X-Middleton-Response
X-Wix-Request-Id
ViewerVersion
X-Seen-By
Response
X-Drupal-Cache-Tags
X-TT
X-Varnish-Server
X-Daa-Tunnel
Upgrade-Insecure-Requests
X-Cached-By
X-Generated-By
X-Drupal-Cache-Contexts
X-App-Server
X-URL
Cache-Status
X-Origin-Server
Accept-Charset
X-Cache-Age
X-Geo-Country
Server-Node
X-Amzn-RequestId
S-Cnection
X-Amz-Apigw-Id
X-Amz-Replication-Status
X-DataStream-Cache-Status
X-Accel-Expires
Payment
X-Response-Served-From
X-CACHE-GROUP
Filters
X-UA-Device-Type
NGB
X-S
X-Adobe-Loc
X-Contextid
GEO-INFO
X-Edge-Cache
X-Adobe-Content
X-Edge-Cache-Key
X-Locale
X-Servedby
X-RequestSource
X-UUID
Access-Control-Allow-Method
Viewport
X-Varnish-IP
X-Cache-NE
X-Jobs
X-Cacheable-TTL
ServedBy
Actual-Object-TTL
X-FW-Server
X-TX-ID
X-Varnish-Hits
X-TT-TIMESTAMP
X-FW-Type
X-FW-Serve
X-FW-Static
X-FW-Hash
X-Status
X-Storage
X-Tumblr-Pixel-2
X-Tumblr-Pixel-1
Server-Info
X-Amz-Server-Side-Encryption
AsisCache
MS-CV
X-WPE-Loopback-Upstream-Addr
X-WebKit-CSP-Report-Only
Cache-Tv-Group
X-PHP-Backend
X-GeoIP
X-App-Version
X-Cache-TTL-Remaining
X-Rendered-As
X-Cache-Remote
HostName
Cache
X-Node-Name
Host-Header
X-Dns-Prefetch-Control
X-Croise-Owner
X-Region
From-Origin
SRV
X-Cache-Operation
X-Dynatrace-Js-Agent
X-Hyper-Cache
X-Vg-Webcache
X-Redis-Cache
X-Webkit-CSP
Served-By
X-UA
Liferay-Portal
X-APP-VERSION
Cache-Tag
Public-Key-Pins-Report-Only
X-Guploader-Uploadid
DC
X-BACKEND-TTL
X-Mode
X-Generated
X-Detected-As
Meta-Geo
X-Upgrade-Enabled
X-TNCMS
X-Akamai-Transformed
X-Timing-Wait
X-RN-RSRV
X-Proxy-Build
Powered-By-ChinaCache
X-Forwarded-Host
X-IP
X-Is-Bot
X-Hosted-By
X-Loop
X-Agile
X-Webstats-RespID
X-Cache-Var-Map
X-Path-Route
X-Cache-Var
Selected-FE
X-Agile-Id
X-NGENIX-Cache
Machine
X-Site-Version
X-Agile-Age
X-Internal-Host
X-Original-Request
X-Via-Fastly
X-Web-Node
X-Request-Time
X-JoinUs
Origin-Cache-Control
Origin-Edge-Control
X-NCache
X-Upstream-CT
X-Human
Cache-Name
X-Grey
X-Cache-Category-Id
X-L-Path
X-Upstream-HT
X-Environment-Context
X-Pc-Appver
X-CDN-Cache
X-Pc-Hit
X-Pc-Key
Now
X-FC-Vary-Parameters
X-RemovedCookies
X-Origin-Host
X-ProxyCache-Status
X-Origin
X-ProcessESI
DB-Nickname
X-Birta-Cache-Post
X-Birta-Served
X-Labrador-Cache-Channel
X-ProxyCache-Key
X-BYPASS-REASON
X-Pubstack
X-Vgn-Hpd-Reason
X-Akamai-Request-ID
X-Origin-Response-Time
X-Tumblr-Pixel-3
X-Viewer-Country
X-CACHE-KEY
X-Endurance-Cache-Level
X-B3-Spanid
X-VG-TLSProxy
X-Www-Served-By
X-Kong-Upstream-Latency
Cache-Tags
Fastcgi-Useragent
Fastcgi-X-Cache
Fastcgi-X-Cache-Version
X-Kong-Proxy-Latency
Azure-InstanceId
Azure-SiteName
X-CCM
Azure-SlotName
Azure-Version
Pagespeed
X-Cache-Config
X-Format
S-Rt
Azure-RegionName
X-OCL
X-Ocache
X-Origin-CC
X-Xfnlog-Site
X-Proxy
X-Tb
X-Time-Microsecs
Content-Script-Type
X-Rule
Content-Style-Type
X-ServerID
X-PCL
X-Routing-Service
TWC-Privacy
X-Origin-Hint
X-Section
X-TIME
TWC-GeoIP-LatLong
X-Parent-Response-Time
X-HS-Combine-CSS
Mn-Server-Ip
TWC-Connection-Speed
TWC-Device-Class
X-Backend-Name
TWC-GeoIP-Country
TWC-Locale-Group
X-App-Name
X-Proxied
HitType
Webcakes-App-Name
Webcakes-App-Version
X-Zipkin-Id
Xserver
Webcakes-Region
X-Access
Property-Id
X-Yottaa-Metrics
X-Via-CDN
X-Yottaa-Optimizations
Cache-Key
User-Cache-Control
X-Protected-By
X-Edge-IP
Vix-Hermes-Req-Id
X-Nginx-Cache
Ms-Operation-Id
X-RTag
Datacenter
X-Cache-TTL
OT-Force-Account-Verify
X-ShopId
X-Real-Ip
X-Alternate-Cache-Key
X-Sorting-Hat-ShopId
X-Shopify-Stage
X-Sorting-Hat-PodId
X-ShardId
Time
X-Ezoic-Cdn
X-FB-TRIP-ID
X-ApacheServer
X-Cache-Backend
X-PERF
X-OVcl-Cache
X-Pc-Date
NtCoent-Length
X-Correlation-ID
X-Pc-Host
X-OVcl
X-Akamai-Request-ID2
X-Ratelimit-Limit
X-Mrs-Age
X-Cdn-Forward
X-Mrs-Cache-Hits
X-Unique-Id-Primal
X-Mshield-Cache-Status
X-Mrs-Cache
X-Content-Age
Country
X-Newrelic-App-Data
L5d-Success-Class
Accept-Language
Load-Balancing
X-Webkit-Csp
X-Front
LB
AR-SID
X-Varnish-Cacheable
X-Debug-Cache
X-Real-IP
X-CDN-Forward
X-RateLimit-Limit
X-Amz-Meta-Surrogate-Control
X-Varnish-Beresp-Status
X-Varnish-Beresp-Grace
Fusion-Source
Section-Io-Cache
Fusion-Template-Id
Fusion-Content-Id
Fusion-Component-Id
X-Proto
Fusion-Content-Source
X-Sucuri-ID
Ohc-File-Size
X-COUNTRY
X-Nc
X-Unique-ID
X-Varnish-Beresp-Ttl
X-Hit
X-MP-GENERATED-AT
X-Hl-Ver
Mail-Subject
We-Hiring
X-Trace-Id
Version
Warning
X-Geo
User-Agent
X-Microcachable
X-EdgeConnect-Cache-Status
X-GRACE
WZWS-RAY
X-Time
X-C
X-Cache-Enabled
X-Node-Id
Release
Rt-Proxy-Cache
Server-Host
SD-X-WS
Server-ID
X-Matched-Rule
SS
X-G
Powered-By
X-Generated-In
Resin-Trace
RNT-Machine
RNT-Time
Rendered-Blocks
Memcached
X-Qloud-Router
X-RCS-CacheZone
X-PHP-Host
X-PAYTM-SRV-ID
X-Passed-To-PostProcessResponse
Frame-Options
Fly-Request-Id
Fastly-Backend-Name
Fastly-SIE
Fastly-SWR
Fly-Cache
X-Passed-To-DLL
X-Passed-To-BeforeDispatch
Mobile-Detection-Method
Meta-Geo-Continent
Node
PFcat
X-NU-AKA-ACS-Version
X-FW-Version
MD5-Digest
X-Passed-To
X-P-T
IBM-Web2-Location
Is-Eu
Platform
VivaBuild
X-Bip
X-BB-ID
X-Cache-Bucket
X-Cache-Debug
X-Cache-Expires
X-B-Cookie
X-Died
X-Application
X-DPWN-IS-SECURE
X-Auto-Login
X-Dispatcher-Server
X-Cache-FS-Status
X-Cache-Host
X-D
X-CUA
X-Device-Os
X-Date
X-Destination
X-Crawler
X-Connection-Hash
X-Cache-Id
X-Cache-URL
X-CF-Lambda-Fn
X-CF-Lambda-Version
X-Layer
X-Li-Fabric
Viewtype
V-Age
X-Developer
X-LI-Proto
Www
X-Fetched-On
X-LI-UUID
Thinkindot-CacheControl-Type
Thinkindot-Control
X-From
X-Logtrace-Id
X-A
X-A-Ccd
X-Accel-Expires-Debug
Ec-Rule-Version
X-Actual-URL
X-External-Request-Id
X-Aed
X-Li-Pop
X-Goog-Meta-Goog-Reserved-File-Mtime
X-A-Dam
X-A-Dcw
X-A-Dgt
X-A-Wwc
Thinkindot-CacheControl
X-Rebelmouse-Cache-Control
Access-Control-Request-Headers
X-Server-By
X-Reboot
X-Served-From
X-Server-Time
X-SRCache-Key
X-CLOUD-TRACE-CONTEXT
Ajk
Adler-Geo
X-ScT
X-S-Maxage
X-Returned-From-DLL
X-Returned-From-BeforeDispatch
X-Returned-From
X-Response-By
X-Returned-From-PostProcessResponse
X-Rewrite-Enabled
X-S-Cookie
X-Rojux
X-Region-Sid
Arc-Country
X-Store
X-Varnish-Action
X-Variation
X-Var-Ttl
X-Rebelmouse-Surrogate-Control
X-VG-WebServer
X-We-Are-Hiring
X-Via-NSCOPI
Xc-Version
X-WebServer
Cache-Prefix
X-User
X-Thinkindot-L3
X-Thanos
BehaviorPad-Version
X-Swa-Ws
X-Transaction
X-Trv-Group
X-UE-Client-Country
X-Twitter-Response-Tags
X-TT-LOGID
X-Request-UUID
Pagetype
X-Rocket-Nginx-Bypass
AKAMAI
X-Stale
Backend
X-SVT-ORM-RULES
X-SVT-ORM-VERSION
X-Hnp-Log
X-Phone
Web-Mar-Node
X-Location
Decoy-Debug-Key
X-ServiceProvider
X-Sf
Decoy-Debug-TTL
X-F5-Cache
X-Dc
GW-Server
X-Backend-State
Decoy-Debug-Status
Fastly-SSL
Cache-Cookie-Set-Lfrom
X-Gen-Mode
X-Cache-CFC
Content-Disposition
X-UnsetCookies
GMS-Ver
X-Block-Status
Cache-Cookie-Set-From
X-Amz-Meta-Cache-Control
Cache-Cookie-Set-Idcheck
X-ElasticPress-Search
X-Distributor
True-Client-Country-4JS
MI-API
Proxy-Connection
X-Nginx-Cache-Key
Esi-Enabled
X-MI-In-Market
Request-Time
X-No-Session
Pramga
Countrycode
Origin
X-Request-Start
MI-Cache-Age
MI-Cache
Heartbleed
X-Fstrz
Server-Int
X-Info
X-Clientip
X-Hash
X-Server-IP
X-Server-Group
On-Server
X-GeoIP-Country-Code
X-Release
X-Origin-Date
Magicmarker
X-Origin-Expires
X-Org
Kp-EeAlive
X-Be
X-Core-Value
X-Core-Mission
X-MSEdge-Features
X-Fastly-Cache
X-MSEdge-Flight
X-Svr
X-Gannett-Site-Version
X-Epic-Correlation-Id
X-IN-APIGATEWAY
X-IN-WAF
X-IN-SSL-APIGATEWAY
Who
X-Distil-CS
Backend-Name
X-Key
X-Policy
X-Page-Type
X-Via-SSL
X-Proxy-Upstream
X-Up
X-SIPLIST1
X-Secret
X-Request-URI
X-Micro-Cache
REQUESTUUID
IsBot
X-Backend-Host
X-Proxy-Cache-Status
X-Via-Edge
Country-Code
X-Backend-Url
X-V
X-NODE
X-Wikidot-Static-Cache
Apple-News-Services-Host
X-Level-Front-Cache
X-Wikidot-Backend
Apple-News-Services-Handled
X-Generated-On
X-Origin-TTL
X-Irp-Debug
CDCHOST
X-Developers
X-Sn-Servicetimems
Apple-News-Services-Request-Url
X-Refresh
Fastly-Soc-X-Request-Id
Apple-News-Services-Parsed-Url
X-CGP
HA-Host
HA-Ipaddr
HA-Servedtime
HA-Urlpath
Ha-Gx-Prefs
HA-Georegion
HA-Cloudapp
HA-Geocountry
HA-Geolat
HA-Geolon
X-Cdn-Origin
HA-Geocity
X-Eu-Site
X-DC
X-Ua
X-Instart-Info
Pragrma
Lfy
ServerName
X-Platform
X-Debug-Log
X-CACHE-AGE
X-Debug-Cookies
X-Debug-Cache-Store
X-NX-Host
RequestId
X-Debug-Cache-Fetch
X-Debug-Cache-Expiry
PageSpeed
X-Planisys-CDN-TTL
X-NC
UCS
X-Urbn-Context-Path
X-Urbn-Site-Id
X-Instance-Name
Uber-Trace-Id
X-Planisys-CDN-Rules
X-Planisys-CDN-Cache
X-Server-Cache
Request-Country
X-Cache-Info
Ohc-Response-Time
Request-EU
X-Cdn-Srv
X-Servername
Locale
X-Pjax-Url
X-VarnPar1
X-NWS-UUID-VERIFY
X-PARISIEN-Cache-Rendered
X-ARC
X-VarnCache
Host-ID
V-Cache
Group
MIME-Version
X-Req
X-VCT
X-GeoIP-City
Cteonnt-Length
X-Newrelic-Synthetics
Memory
HitInfo
X-Datadome
X-Ratelimit-Remaining
Mime-Version
X-CMS-Context
Cdn
Cache-Provider
X-BBXSRF
PICS-Label
X-Powered-By-ANYU
X-Gdpr
X-LAGOON
X-Servedbyhost
X-EIG-Tracking-Id
X-TWH-CORRELATION-ID
NGX
Nel
X-WR-MODIFICATION
CF-IPCountry
X-Aicache-OS
X-Wa
X-Load-Cache
XServer
X-StackifyID
GeoIP-Latitude
GeoIP-Country-Code
X-Fastly-Country-Code
CDN
X-B3-Traceid
Amp-Access-Control-Allow-Source-Origin
X-Varnish-Cache-Hits
X-FireWall-Port
X-HTML-Minification-Powered-By
X-CSRF-TOKEN
X-UPSTREAM-Address
Cf-Ipcountry
X-Generation-Time
X-Fastly-Backend-Reqs
X-WA
X-RateLimit-Remaining-Second
X-RateLimit-Limit-Second
X-Cluster-Node
FSS-Proxy
GeoIp-Country-Code
FSS-Cache
X-NodeID
X-Cache-Miss-From
X-Sedo-Request-Id
Geoip-Latitude
X-Sentry-ID
X-Flog
X-APP
X-ABtesting
X-Source
X-Hello
X-Check-Cacheable
Processtime
X-Varnish-Beresp-TTL
X-VServer
X-Csrf-Token
X-FORWARDED-FOR
X-Cache-ASPX
X-Unique-Id
X-Varnish-Authentication
Server-Cache-Control
X-Oss-Server-Time
X-Oss-Hash-Crc64ecma
X-Oss-Storage-Class
SN
Server-Surrogate-Control
X-ServedByHost
X-Oss-Object-Type
X-Oss-Request-Id
X-Cache-Grace
X-HOST
CACHE
X-DataStream-Origin-MEX-Latency
X-DataStream-MidMile-RTT
X-GZip
X-IPS-LoggedIn
X-CDN-Pop
WP-Super-Cache
URI
X-CDN-Pop-IP
X-Nananana
X-RCS-Backend
X-CSRF-Token
X-GDPR
X-Varnish-Url
X-Dynatrace
DataCenter
TSSecure
X-VG-WebCache
X-SRV
X-Sucuri-Cache
Pics-Label
X-VC-Cache
X-Fastly-Cache-Hits
X-ND-Cache
X-Instart-Isnd
X-MServer
Cdn-Request-Time
X-Skip-Cache
X-Worker
X-Edge-Server
Cdn-Host
X-ID
Get-Access-Time
X-HS-Status
A
X-From-Cache
Is-Session-Tracking
Proxy-Firewall
PageType
X-PJAX-URL
X-B3-SpanId
X-GoCache-CacheStatus
X-Swift-Error
X-BE
Dynatrace
Powered
X-Port
X-Pf-Uncompressing
HTTPS
Hostname
X-SplitTest
X-VWS-Id
X-LJ-Flow-ID
X-AWS-Id
X-Gen-Id
Odigeo-Trace-Id
X-Backend-TTL
X-Bug-Bounty
X-Server-W
X-Amzn-Remapped-Date
X-Pc-Subdomain
X-Amzn-Remapped-Connection
X-GZIP
X-ORIG-AKA-EDGE
X-NGINX-Cache
X-SN
FastCGI-Cache
X-ServerName
X-VarnPar2
X-Cache-Ttl
X-Owner
X-Fe
Requestid
Serverid
X-FW-Dynamic
Cache-Hits
X-R9-Blue-Green-Version
X-Amz-Meta-S3b-Last-Modified
X-Varnish-URL
X-ORIG-AKA-COUNTRY-CODE
X-LiteSpeed-Cache-Control
X-HostName
WebServer
X-Alicdn-Da-Ups-Status
X-RequestId
X-PAGE-TYPE
X-PF-Uncompressing
X-GEO
X-SB
X-VC
T-Server
X-RAMCache
RequestUuid
X-Serial
X-Akamai-SSL-Client-Sid
X-Ms-Blob-Type
Xet-Cookie
X-Ms-Lease-Status
Correlation-Id
X-Requestid
X-CS
Location
X-Ms-Request-Id
X-Ms-Version
X-Akamai-ERPolicy
X-Developed-By
X-Dw-Trace-Id
NnCoection
X-HTML-Edge-Cache
SID
X-LiteSpeed-Tag
X-Akamai-ERRuleID