Threat Level: green Handler on Duty: Remco Verhoef

SANS ISC: HTTP Header Usage Statistics - SANS Internet Storm Center 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
Pragma
Accept-Ranges
Last-Modified
Strict-Transport-Security
X-Content-Type-Options
X-Powered-By
CF-RAY
ETag
Link
X-XSS-Protection
Expect-CT
Via
X-Cache
Age
Access-Control-Allow-Origin
Content-Security-Policy
Content-Language
P3P
X-UA-Compatible
X-Cache-Hits
X-Served-By
X-Varnish
X-Amz-Cf-Id
Referrer-Policy
X-Request-Id
X-Timer
X-AspNet-Version
CF-Cache-Status
Access-Control-Allow-Headers
Access-Control-Allow-Methods
X-Runtime
Access-Control-Allow-Credentials
X-Download-Options
X-Drupal-Cache
X-Cacheable
Alt-Svc
X-Generator
Content-Security-Policy-Report-Only
X-Xss-Protection
X-AspNetMvc-Version
Status
X-Check
Timing-Allow-Origin
X-Cache-Status
X-Adblock-Key
X-Iinfo
X-DNS-Prefetch-Control
X-Permitted-Cross-Domain-Policies
X-Content-Security-Policy
X-Template
X-CDN
Content-Encoding
X-Language
X-Turbo-Charged-By
X-Request-ID
Keep-Alive
X-Buckets
X-Type
EagleId
X-Via
Xkey
X-AH-Environment
X-Backend
WPE-Backend
X-Age
X-Pass-Why
Access-Control-Max-Age
X-Server
X-Swift-SaveTime
X-Swift-CacheTime
X-Cache-Group
Ali-Swift-Global-Savetime
X-Varnish-Cache
X-Pingback
Upgrade
X-Nginx-Cache-Status
X-Server-Powered-By
X-Drupal-Dynamic-Cache
Grace
Access-Control-Expose-Headers
X-Hacker
X-UA-Device
P3p
Cf-Railgun
X-Amz-Request-Id
X-Amz-Id-2
X-Robots-Tag
X-Ua-Compatible
X-LiteSpeed-Cache
X-Proxy-Cache
X-Envoy-Upstream-Service-Time
X-Page-Speed
Request-Context
X-CST
X-Node
X-Device
X-Cache-Lookup
X-Ac
Content-Location
X-Pantheon-Styx-Hostname
X-Styx-Req-Id
X-Cnection
X-Host
X-Amz-Version-Id
X-WebKit-CSP
Surrogate-Control
X-Backend-Server
X-Rack-Cache
X-Response-Time
X-Rq
X-Px
X-Readtime
X-Application-Context
X-Server-Id
Pinterest-Generated-By
Allow
X-Instart-Request-ID
X-Dns-Prefetch-Control
EagleEye-TraceId
X-Clacks-Overhead
X-OneAgent-JS-Injection
Request-Id
X-Url
Server-Timing
X-HeyJason
X-Do-Not-Hack
Permitted-Cross-Domain-Policies
X-Country
X-Cloud-Trace-Context
X-TTL
Report-To
Rating
X-EdgeConnect-Origin-MEX-Latency
X-EdgeConnect-MidMile-RTT
X-Country-Code
X-Varnish-TTL
Charset
X-Server-ID
Edge-Control
X-Powered-CMS
X-PC
X-TtlSet
X-Vname
X-ESI
X-FTR-Request-ID
X-CF-Powered-By
X-DataDome
X-Server-Name
Feature-Policy
X-MS-InvokeApp
X-DynaTrace-JS-Agent
X-Goog-Hash
X-Cached
NEL
X-Vhost
X-Origin-Cache
X-Recruiting
Public-Key-Pins
X-Exp-Id
X-Cdn-Fetch
X-Kinja-Server
X-Exp-Variant
X-Kinja-Revision
X-Kinja-Build
X-Kinja
X-Geo-Segment
X-GoogleNews-Bot
X-VARITI-CCR
X-F-Cache
X-Powered-By-Plesk
X-Version
X-Mod-Pagespeed
X-T
X-ORACLE-DMS-RID
X-ORACLE-DMS-ECID
X-D2id
X-DynaTrace
Pinterest-Version
X-Upstream-Env
X-Pinterest-Rid
X-Client-IP
X-SRCache-Fetch-Status
X-SRCache-Store-Status
Content-MD5
Verso
X-Abt-Application-Version
PB-RID
X-Mobile-Rewrite
PB-PID
Arc-Version
X-Dispatcher
X-N
RTSS
SPRequestGuid
AR-ATIME
AR-PoweredBy
X-SharePointHealthScore
AR-CACHE
X-Amz-Rid
X-Cdn
X-Forwarded-Proto
X-GitHub-Request-Id
X-Hits
X-Navigation-Version
Nginx-Cache
X-Dw-Request-Base-Id
X-Ruxit-JS-Agent
X-B
Realpath
Paypal-Debug-Id
X-Upstream
X-Grace
X-Pad
X-Content-Digest
X-TEC-API-VERSION
X-TEC-API-ROOT
X-TEC-API-ORIGIN
X-Shield-Request-Id
X-Content-Options
X-Varnish-Age
X-Id
Arr-Disable-Session-Affinity
SPRequestDuration
SPIisLatency
X-Kinsta-Cache
MS-Author-Via
X-Cache-Hit
TCN
Access-Control-Request-Method
X-NWS-LOG-UUID
X-Goog-Stored-Content-Encoding
X-Goog-Stored-Content-Length
X-Goog-Metageneration
X-Goog-Storage-Class
X-Goog-Generation
X-Logged-In
X-Acc-Meta-Resource-Type
X-XRDS-Location
X-Trace
MRF-Tech
X-Mrf-Section-Lastmod
Mrf-Cache-Status
X-Mrf-Item-Lastmod
S
X-Vcap-Request-Id
X-Origin-Upstream-Status
DynaTrace
X-HW
X-Zen-Fury
X-Ttl
X-MSEdge-Ref
X-VCache
X-DIS-Request-ID
Front-End-Https
X-HS-Content-Id
X-FTR-DC
X-FTR-Expires
X-FTR-Realm
X-HS-Hub-Id
X-FTR-Backend-Server
Surrogate-Key
Eomportal-Instance
Cleartype
X-FTR-Balancer
X-Country-Code-Real
X-FTR-Cache-Status
X-FTR-Backend
X-Frontend
X-Cache-Rule
X-Oneagent-Js-Injection
X-Via-JSL
X-PressLabs-Stats
X-Fastly-Request-ID
X-NF-Request-ID
Service-Worker-Allowed
X-User-Agent
Cache-Status
X-IPLB-Instance
X-FastCGI-Cache
X-Forwarded-For
Server-Name
X-Request-Processing-Time
X-Request-Received
Tracecode
X-Hostname
Fastcgi-Cache
Alternate-Protocol
X-SS-Set-Cookie
X-Varnish-Backend
X-Analytics
Backend-Timing
X-Cache-2
Host
FilterID
X-Middleton-Display
Display
X-Sol
X-Wix-Server-Artifact-Id
X-AOL-HN
X-Fastcgi-Cache
Rt-Fastcgi-Cache
Public-Key-Pins-Report-Only
TP-L2-Cache
TP-Cache
X-FTR-Cache-Host
X-Whom
Viewport
X-Proxied
X-Az
X-Rid
X-Activity-Id
X-AppVersion
X-Middleton-Response
Response
X-Revision
X-Content-Powered-By
ServerID
X-Ser
X-Srv
X-URL
X-Debug
X-Debug-Info
X-Cache-Control
X-Contextid
AMP-Access-Control-Allow-Source-Origin
MicrosoftSharePointTeamServices
X-Magnolia-Registration
X-Cached-By
Refresh
X-Cache-Server
X-Mobile
X-Daa-Tunnel
X-B3-Traceid
X-Oracle-Dms-Rid
AR-SID
X-Akam-SW-Version
X-Oracle-Dms-Ecid
Ar-Sid
X-WPE-Loopback-Upstream-Addr
X-Instance
HitInfo
Server-Info
HitType
Powered-By-ChinaCache
X-Cache-Key
Cache-Tag
Accept-Charset
X-FB-Debug
X-App-Server
X-Page-Id
X-Cache-Age
X-Generated-By
X-Newrelic-App-Data
X-Geo-Country
X-Framework
X-Varnish-Hostname
X-PHP-Backend
Retry-After
X-BCube-Filmed-By
X-B-Cache
X-App-Environment
X-Webkit-Csp
X-Cache-Operation
X-Content-Security-Policy-Report-Only
X-LB-Cache
X-Request-Guid
Host-Header
X-Signature
X-Origin-Server
X-Varnish-Grace
Server-Node
X-Handled-By
Source
X-TT
X-Hyper-Cache
X-Device-Type
X-Tumblr-Pixel-0
X-RateLimit-Remaining
X-Tumblr-Pixel
X-Tumblr-User
X-Accel-Expires
Upgrade-Insecure-Requests
X-XRDS-LOCATION
X-APP-VERSION
DC
X-Platform-Server
X-GUploader-UploadID
X-Amzn-Trace-Id
X-WA-Info
X-Drupal-Cache-Tags
X-Akamai-Edgescape
X-NewRelic-App-Data
X-TT-TIMESTAMP
X-Correlation-ID
X-CACHE-GROUP
X-Cache-Action
X-Varnish-Server
Liferay-Portal
X-HOST
X-Amz-Meta-S3cmd-Attrs
X-ATG-Version
X-Ruxit-Js-Agent
X-Edge-Location
Fastly-Restarts
X-Cluster
X-Port
NGB
X-Accel-Buffering
Webserver
X-B3-Sampled
X-Cacheable-TTL
X-S
X-Node-Name
X-Seen-By
X-Wix-Request-Id
X-Wix-Petri-Ex
X-Locale
X-GeoIP
X-Source
Filters
X-WebKit-CSP-Report-Only
ServedBy
X-Jobs
Actual-Object-TTL
X-FW-Server
X-FW-Serve
AsisCache
X-FW-Static
X-FW-Type
X-Varnish-Hits
X-RequestSource
MS-CV
X-FW-Hash
X-Tumblr-Pixel-2
X-Tumblr-Pixel-1
AR-Request-ID
X-RTag
X-Esi
X-UA
S-Cnection
HostName
Served-By
X-Amz-Replication-Status
X-Distil-CS
X-Cache-TTL-Remaining
X-Region
GEO-INFO
Cache
X-Cache-Config
X-PC-AppVer
X-Cache-Remote
X-PC-Hit
X-Vg-Webcache
X-PC-Key
X-UA-Device-Type
Country
X-Edge-Cache
Content-Style-Type
Content-Script-Type
X-Edge-Cache-Key
Ohc-File-Size
X-Webkit-CSP
X-Ocache
X-Adobe-Loc
X-PC-Date
X-TA-CDN-Provider
X-PC-Host
X-Drupal-Cache-Contexts
X-Sucuri-ID
X-Adobe-Content
X-Guploader-Uploadid
Accept-CH
X-GZip
X-UUID
X-Dynatrace-Js-Agent
X-RateLimit-Limit
X-Microcachable
Pagespeed
X-Internal-Host
Datacenter
X-DataStream-Cache-Status
X-Correlation-Id
X-Varnish-IP
X-Unique-ID
X-Status
X-Real-IP
X-Akamai-Transformed
X-Amz-Server-Side-Encryption
X-Ezoic-Cdn
X-TX-ID
X-Yottaa-Optimizations
X-Yottaa-Metrics
X-Agile-Id
X-Agile-Age
User-Cache-Control
Machine
X-Akamai-Request-ID
X-Agile
X-Cache-Category-Id
Meta-Geo
X-Path-Route
IBM-Web2-Location
LB
Load-Balancing
X-App-Name
X-RN-RSRV
X-Grey
X-Detected-As
X-CDN-Forward
X-IP
X-Rendered-As
X-Is-Bot
X-Generated
X-Web-Node
X-BYPASS-REASON
X-Timing-Wait
Mn-Server-Ip
X-Proxy-Build
Selected-FE
X-ProxyCache-Key
X-Instance-Name
X-OVcl-Cache
X-Loop
X-OVcl
X-Mode
X-ProxyCache-Status
Access-Control-Allow-Method
X-TNCMS
X-CLOUD-TRACE-CONTEXT
X-Xfnlog-Site
X-JoinUs
X-Proxy
Healthy
X-Origin
X-CCM
X-Debug-Cache
X-Human
S-Rt
DB-Nickname
Cache-Name
Backend
L5d-Success-Class
Payment
ServerName
X-PCL
X-Cache-Ttl
X-Hosted-By
X-Upgrade-Enabled
X-Varnish-Cache-Hits
X-OCL
User-Agent
X-Content-Type
X-NodeID
X-ServerID
X-FC-Vary-Parameters
X-Time-Microsecs
X-Tb
X-Viewer-Country
X-BB-IP
X-Original-Request
X-Vgn-Hpd-Reason
Azure-Version
X-ProcessESI
Azure-SlotName
X-PERF
X-Site-Version
X-Via-Fastly
X-NCache
X-ApacheServer
X-Varnish-Cacheable
Now
X-Distributor
X-RemovedCookies
X-EIG-Tracking-Id
X-CDN-Cache
Cache-Key
Azure-SiteName
Azure-InstanceId
X-SERVER-NAME
Azure-RegionName
Webcakes-App-Version
Webcakes-Region
Webcakes-App-Name
X-Access
TWC-Privacy
TWC-GeoIP-Country
TWC-GeoIP-LatLong
X-AWS-Id
TWC-Locale-Group
TWC-Device-Class
X-Origin-Hint
X-VWS-Id
X-Www-Served-By
X-Zipkin-Id
X-TWH-CORRELATION-ID
X-SplitTest
TWC-Connection-Speed
X-Routing-Service
X-Section
X-Backend-Name
X-LJ-Flow-ID
Property-Id
Dont-Set-Cookie
X-Amz-Meta-Surrogate-Control
X-Origin-CC
SRV
X-Pubstack
X-NGENIX-Cache
X-Format
Xserver
X-Time
X-Rocket-Nginx-Bypass
X-ServedBy
X-Servedby
Access-Control-Request-Headers
X-Storage
PageSpeed
Edge-Cache-Tag
X-HS-Cache-Config
WZWS-RAY
Countrycode
X-L-Path
X-Cache-Backend
X-Webstats-RespID
X-Environment-Context
X-Amzn-RequestId
X-MP-GENERATED-AT
X-Amz-Apigw-Id
X-Labrador-Cache-Channel
X-Cache-HT
X-Optimization
X-Generation-Time
X-Sucuri-Cache
X-Proto
X-B3-Spanid
X-Oss-Object-Type
X-Oss-Hash-Crc64ecma
X-Oss-Request-Id
X-Oss-Server-Time
Cartoon
X-Oss-Storage-Class
X-Nc
X-Connection-Hash
Cache-Hits
X-Twitter-Response-Tags
X-Transaction
Apicache-Version
Apicache-Store
X-Cache-NE
X-Newrelic-Synthetics
X-Birta-Served
X-Meta-Tbi-Cache-Vertical
Cteonnt-Length
X-Ah-Environment
X-Birta-Cache-Post
Ms-Operation-Id
X-Qnm-Cache
X-Hit
X-Tumblr-Pixel-3
X-M-Log
X-M-Reqid
Fastly-SSL
From-Origin
X-Geo
X-Real-Ip
NnCoection
NODE
X-EdgeConnect-Cache-Status
Ws
Ec-Rule-Version
X-Dc
XServer
X-Varnish-Beresp-Grace
X-Varnish-Beresp-Status
X-Cache-Enabled
X-Release
X-V
X-Upstream-CT
X-Upstream-HT
X-Alicdn-Da-Ups-Status
X-Rule
X-UE-Client-Country
X-Application
X-BB-ID
MI-Cache-Age
X-B-Cookie
X-Server-By
X-Trv-Group
X-TT-LOGID
X-ScT
X-ARC
X-A
SN
Fastly-Soc-X-Request-Id
Fly-Cache
Fly-Request-Id
X-Sorting-Hat-PodId
MD5-Digest
Thinkindot-CacheControl
T-Server
X-Sorting-Hat-ShopId
X-ShopId
Kp-EeAlive
Server-ID
Rendered-Blocks
Request-Country
Request-EU
GMS-Ver
X-Sf
X-Server-Time
Httpd-Identifier
Host-ID
X-ShardId
Server-Host
Thinkindot-CacheControl-Type
Thinkindot-Control
X-A-Dcw
X-A-Dam
X-A-Ccd
Resin-Trace
X-A-Dgt
X-A-Wwc
X-Alternate-Cache-Key
Meta-Geo-Continent
X-SVT-ORM-VERSION
X-Accel-Expires-Debug
Www
BehaviorPad-Version
Viewtype
X-Shopify-Stage
V-Age
Cneonction
VivaBuild
Warning
X-SVT-ORM-RULES
Web-Mar-Node
X-SRCache-Key
Cache-Prefix
X-Thinkindot-L3
X-CF-Lambda-Fn
X-Worker
X-DPWN-IS-SECURE
X-Origin-Date
Xc-Version
X-Env
X-Dispatcher-Server
X-Died
X-D
X-Date
X-Destination
X-Wix-Route-ID
X-Fetched-On
X-From
X-NU-AKA-ACS-Version
X-Varnish-Beresp-Ttl
X-Hnp-Log
X-MI-In-Market
X-Matched-Rule
X-Org
X-Response-By
X-S-Maxage
X-G
X-Gen-Mode
X-Generated-In
X-WebServer
X-Developer
X-VG-WebServer
X-Region-Sid
X-PAYTM-SRV-ID
X-CF-Lambda-Version
MI-Cache
X-Origin-Expires
X-Rewrite-Enabled
X-Rojux
X-Planisys-CDN-Cache
X-Via-CDN
X-S-Cookie
X-Block-Status
X-We-Are-Hiring
X-RCS-CacheZone
X-Planisys-CDN-TTL
X-Via-Edge
X-Planisys-CDN-Rules
X-SERVER
X-COUNTRY
X-HS-Combine-CSS
X-Node-Id
PFcat
X-No-Session
RNT-Machine
X-Origin-TTL
X-P-T
RNT-Time
Origin-Edge-Control
Odigeo-Trace-Id
NGX
X-ServiceProvider
Platform
Proxy-Connection
Origin-Cache-Control
Release
Pragrma
X-Fstrz
X-Clientip
X-Cache-URL
X-Content-Age
X-Amz-Meta-Cache-Control
X-Crawler
X-Cache-Host
X-Backend-Host
X-C
X-Backend-Url
X-Cache-Bucket
X-Cache-CFC
X-Backend-State
X-CS
X-Device-Os
X-Hash
X-Server-IP
Server-Int
X-Hl-Ver
X-Request-URI
X-GeoIP-Country-Code
X-GeoIP-City
X-Edge-IP
X-Edge-Server
Uber-Trace-Id
True-Client-Country-4JS
X-Logtrace-Id
Fastly-Backend-Name
Cdn-Request-Time
Cdn-Host
X-VServer
Country-Code
Decoy-Debug-Status
Decoy-Debug-Key
CDCHOST
MI-API
Ajk
Adler-Geo
Apple-News-Services-Handled
Apple-News-Services-Host
Apple-News-Services-Request-Url
Apple-News-Services-Parsed-Url
Decoy-Debug-TTL
X-Atg-Version
X-SIPLIST1
IsBot
Is-Eu
X-Ms-Lease-Status
X-Ms-Request-Id
X-Ms-Blob-Type
X-Ms-Version
X-ElasticPress-Search
ProcessTime
X-Phone
X-Reboot
X-Rebelmouse-Cache-Control
X-Passed-To-PostProcessResponse
X-CGP
X-Passed-To-DLL
X-Core-Mission
X-Ckpd-Fst-Backend
Time
X-Ver
X-Cache-ASPX
X-Cache-Srv
X-Up
X-Passed-To-BeforeDispatch
X-Cache-Expires
X-UnsetCookies
X-Cdn-Origin
X-Cdn-Srv
X-NX-Host
X-Epic-Correlation-Id
X-Returned-From-DLL
X-Returned-From-PostProcessResponse
X-Wikidot-Static-Cache
X-Eu-Site
X-F5-Cache
X-Returned-From-BeforeDispatch
X-Forwarded-Host
X-FireWall-Port
X-Fastly-Cache
X-Developers
X-Backend-TTL
X-Info
X-Debug-Cookies
X-Returned-From
X-Core-Value
X-IN-WAF
X-IN-SSL-APIGATEWAY
X-Wikidot-Backend
X-Debug-Log
X-IN-APIGATEWAY
X-Passed-To
X-VG-TLSProxy
HA-Cloudapp
X-Sn-Servicetimems
Request-Time
HA-Geocity
HA-Geocountry
Fastly-SWR
Fastly-SIE
Cache-Tags
Content-Disposition
Esi-Enabled
X-Rebelmouse-Surrogate-Control
HA-Geolat
HA-Geolon
HTTPS
Heartbleed
Origin
On-Server
Ohc-Response-Time
HA-Urlpath
HA-Servedtime
Ha-Gx-Prefs
HA-Host
Powered-By
HA-Ipaddr
Who
HA-Georegion
AKAMAI
X-Actual-URL
X-Swa-Ws
X-Server-Group
Backend-Name
X-Trace-Id
Dnion-Transfer-Encoding
NtCoent-Length
X-GoCache-CacheStatus
X-Var-Ttl
X-Redis-Cache
X-Croise-Owner
X-Varnish-HitMiss
X-Cache-Control-Set-By
X-From-Cache
RequestId
X-Stale
X-HCF
X-BBXSRF
X-App-Version
X-Req
X-Skip-Cache
X-Location
X-Platform
X-Refresh
X-Nginx-Cache
X-Micro-Cache
X-Via-SSL
X-Cache-Time
X-Servername
Mime-Version
X-Cache-FS-Status
X-MSEdge-Flight
X-MSEdge-Features
X-CCM-LastModified
X-WR-MODIFICATION
Dynatrace
X-Csrf-Token
X-Powered-By-ANYU
Is-Session-Tracking
X-Pf-Uncompressing
X-Response-Served-From
X-Pjax-Url
Cdn
Get-Access-Time
X-User
X-Kong-Upstream-Latency
Frame-Options
X-TIME
X-Kong-Proxy-Latency
X-Cdn-Forward
X-B3-TraceId
WWW-Authenticate
X-Request-Time
WP-Super-Cache
X-GRACE
X-Page-Type
X-Owner
CF-IPCountry
X-CUA
X-Key
X-NC
X-Litespeed-Cache
NodeID
X-CSRF-Token
PICS-Label
GW-Server
X-Varnish-Url
X-External-Request-Id
X-Dynatrace
X-Nf-Srv-Version
UCS
X-Cache-TTL
X-DC
X-Cache-Handler
MIME-Version
Mail-Subject
We-Hiring
X-NWS-UUID-VERIFY
Geoip-Latitude
Geoip-City
GeoIp-Country-Code
Section-Io-Cache
X-Aicache-OS
X-GDPR
PageType
X-Ua
X-LiteSpeed-Cache-Control
X-Varnish-Id
Version
X-Cache-Id
Rt-Proxy-Cache
FastCGI-Cache
X-Bip
Memcached
Magicmarker
X-Servedbyhost
X-Thanos
X-Varnish-Action
X-Nananana
X-Varnish-Beresp-TTL
X-Pc-Key
X-Fastly-Backend-Reqs
X-Pc-Appver
X-Pc-Hit
Memory
X-Be
If-Modified-Since
X-Via-NSCOPI
X-Request-UUID
CACHE
X-ServedByHost
X-Pc-Date
X-Pc-Host
Processtime
X-Variation
CDN
X-GEO
X-Hail-Hydra
Pagetype
X-Cluster-Node
X-TId
X-Ibm-Trace
X-CACHE-KEY
X-Wa
Sta2Tusw
COMMERCE-SERVER-SOFTWARE
X-DataStream-MidMile-RTT
X-DataStream-Origin-MEX-Latency
X-Auto-Login
X-Server-W
X-StackifyID
X-Load-Cache
GeoIP-City
Sid
X-UPSTREAM-Address
GeoIP-Latitude
GeoIP-Country-Code
Node
X-Gdpr
X-BE
DataCenter
X-Frame-Option
X-Irp-Debug
Arc-Country
X-Tid
Accept-CH-Lifetime
X-Ig-Deployment-Stage
X-HTML-Minification-Powered-By
X-Sentry-ID
X-Layer
X-FW-Version
RATING
X-Shard
Pics-Label
X-Proxy-Server
X-Varnish-Ttl
X-RateLimit-Remaining-Second
X-RateLimit-Limit-Second
X-Nginx-Cache-Key
X-FORWARDED-FOR
URI
X-Varnish-URL
X-PAGE-TYPE
X-EC-Security-Audit
X-Datadome
X-Bug-Bounty
Group
V-Cache
Pramga
Cf-Ipcountry
Srv
X-SRV
X-NGINX-Cache
X-ADI-VCache
X-Shield-Cache-Expires
X-Fastly-Cache-Hits
X-Surge-Debug
X-Haproxy-Hostname
X-Public
X-Ratelimit-Remaining
X-PJAX-URL
X-Haproxy-Ip
X-Endurance-Cache-Level
X-Secret
X-Gannett-Site-Version
X-Gen-Id
X-Akamai-Request-ID2
X-Cache-Debug
X-ND-Cache
X-PF-Uncompressing
Cache-Cookie-Set-From
Cache-Provider
Cache-Cookie-Set-Lfrom
Cache-Cookie-Set-Idcheck
X-ID
X-Ratelimit-Limit
X-GZIP
X-Feature
X-APP
X-Litespeed-Cache-Control
X-Sorting-Hat-FeatureSet
X-Sorting-Hat-PrivacyLevel
X-Sorting-Hat-Section
X-Sorting-Hat-ShopId-Cached
X-CacheKey
X-RequestId
X-Dw-Trace-Id
X-Ms-Lease-State
X-Sorting-Hat-PodId-Cached
X-B3-SpanId
Xet-Cookie
Serverid
GEO-REGION-INFO
X-CDN-Pop-IP
N-Cache
X-CDN-Pop
Mobile-Detection-Method
X-SD-PageType
SD-X-WS
X-RAMCache
OT-Force-Account-Verify
X-Akamai-ERPolicy
Accept-Ch
X-Distil-Cs
X-Akamai-ERRuleID
REQUESTUUID
Fastcgi-Useragent
X-VC
X-HS-Status
X-Policy
X-Grace-Duration
X-Fe
X-ServerName
X-Amzn-Remapped-Connection
Powered
Fastcgi-X-Cache-Version
X-Unique-Id
X-VG-WebCache
X-Amzn-Remapped-Date
Fastcgi-X-Cache
Requestid
X-Request-Start
X-Cookie
X-Varnish-ID
X-SB
X-Varnish-Info