Threat Level: green Handler on Duty: Rob VandenBrink

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
Strict-Transport-Security
X-Content-Type-Options
Accept-Ranges
Last-Modified
Pragma
X-Powered-By
CF-RAY
ETag
Link
X-XSS-Protection
Expect-CT
Via
X-Cache
Age
Content-Security-Policy
Access-Control-Allow-Origin
Content-Language
P3P
X-UA-Compatible
X-Cache-Hits
X-Amz-Cf-Pop
X-Amz-Cf-Id
Referrer-Policy
X-Served-By
X-Varnish
X-Request-Id
X-Xss-Protection
CF-Cache-Status
X-Timer
Access-Control-Allow-Headers
Access-Control-Allow-Methods
X-AspNet-Version
X-Download-Options
X-Runtime
Access-Control-Allow-Credentials
X-Drupal-Cache
X-Adblock-Key
X-Check
Alt-Svc
X-Cacheable
X-Generator
Content-Security-Policy-Report-Only
X-DNS-Prefetch-Control
X-Cache-Status
X-AspNetMvc-Version
X-Permitted-Cross-Domain-Policies
X-Template
X-Iinfo
X-Language
Status
Timing-Allow-Origin
X-Buckets
X-Content-Security-Policy
Content-Encoding
X-Kinja-Server-Push
Xkey
X-CDN
X-Turbo-Charged-By
Upgrade
X-Type
Keep-Alive
Access-Control-Expose-Headers
X-Request-ID
WPE-Backend
X-Pass-Why
Access-Control-Max-Age
X-AH-Environment
X-Backend
X-Age
X-Cache-Group
X-Drupal-Dynamic-Cache
X-Server
X-Ua-Compatible
X-Via
X-Proxy-Cache
Grace
X-Pingback
X-Nginx-Cache-Status
X-Server-Powered-By
X-Robots-Tag
X-Amz-Request-Id
X-Amz-Id-2
X-Hacker
X-Varnish-Cache
X-UA-Device
X-Page-Speed
EagleId
Request-Context
X-LiteSpeed-Cache
Cf-Railgun
X-Envoy-Upstream-Service-Time
X-CST
X-Swift-SaveTime
X-Swift-CacheTime
Ali-Swift-Global-Savetime
X-Styx-Req-Id
X-Pantheon-Styx-Hostname
X-WebKit-CSP
X-Device
X-Server-Id
X-Amz-Version-Id
X-Ac
Server-Timing
X-Node
Allow
Feature-Policy
X-OneAgent-JS-Injection
X-Iejgwucgyu
X-Response-Time
X-Cnection
X-Rq
Content-Location
X-Backend-Server
X-Cache-Lookup
Report-To
EagleEye-TraceId
Surrogate-Control
X-Readtime
X-Host
X-Application-Context
Request-Id
X-Url
X-ORACLE-DMS-ECID
P3p
X-Rack-Cache
X-Origin-Cache
X-Clacks-Overhead
X-Country
X-FTR-Request-ID
Rating
NEL
X-Country-Code
X-Cloud-Trace-Context
X-EdgeConnect-MidMile-RTT
X-EdgeConnect-Origin-MEX-Latency
X-DataDome
X-Cdn
X-Instart-Request-ID
X-Ruxit-JS-Agent
X-Px
X-Vhost
X-Mod-Pagespeed
X-MS-InvokeApp
X-VARITI-CCR
Charset
Accept-CH
Pinterest-Generated-By
Edge-Control
Verso
X-Goog-Hash
X-GitHub-Request-Id
X-Mobile-Rewrite
PB-RID
PB-PID
Arc-Version
X-TTL
X-ESI
X-Vname
X-TtlSet
X-PC
X-Server-Name
X-Version
X-DynaTrace
X-B3-TraceId
X-D2id
X-Powered-By-Plesk
X-Upstream-Env
X-Cached
X-Kinja-Revision
X-Kinja-Server
X-Kinja-Build
X-Use-Magma
X-Kinja
X-GoogleNews-Bot
X-Exp-Id
X-Cdn-Fetch
X-Exp-Variant
X-Varnish-TTL
X-Origin-Upstream-Status
X-Dispatcher
SPRequestGuid
X-SharePointHealthScore
X-Abt-Application-Version
MS-Author-Via
X-Powered-CMS
X-Recruiting
Accept-CH-Lifetime
RTSS
X-T
X-Navigation-Version
Public-Key-Pins
X-ORACLE-DMS-RID
Content-MD5
X-Oracle-Dms-Rid
X-Shield-Request-Id
X-Trace
AR-ATIME
AR-CACHE
AR-PoweredBy
X-Client-IP
X-SRCache-Store-Status
X-SRCache-Fetch-Status
X-HW
X-Accel-Buffering
X-Wix-Server-Artifact-Id
X-Fastly-Request-ID
SPRequestDuration
SPIisLatency
Arr-Disable-Session-Affinity
X-Forwarded-Proto
X-Amz-Rid
Realpath
X-DIS-Request-ID
X-DynaTrace-JS-Agent
X-Server-ID
X-B
X-F-Cache
X-Upstream
Service-Worker-Allowed
X-Goog-Stored-Content-Encoding
X-Goog-Metageneration
X-Goog-Stored-Content-Length
X-Goog-Generation
X-Amz-Meta-S3cmd-Attrs
X-Ser
X-Via-JSL
Pinterest-Version
X-Pinterest-Rid
Paypal-Debug-Id
X-FTR-Backend-Server
X-Country-Code-Real
X-FTR-DC
X-FTR-Backend
X-FTR-Realm
X-FTR-Cache-Status
X-FTR-Balancer
Front-End-Https
AR-Request-ID
X-Id
X-FTR-Expires
X-Dw-Request-Base-Id
X-Varnish-Age
X-Vcap-Request-Id
X-Dns-Prefetch-Control
X-Debug
Ar-Sid
X-MSEdge-Ref
X-Acc-Meta-Resource-Type
X-Goog-Storage-Class
Nginx-Cache
X-Kinsta-Cache
X-Hits
X-N
X-TEC-API-ROOT
X-TEC-API-VERSION
X-TEC-API-ORIGIN
X-XRDS-Location
X-NF-Request-ID
X-NewRelic-App-Data
X-FTR-Cache-Host
X-Logged-In
Mrf-Cache-Status
MRF-Tech
X-Mrf-Item-Lastmod
X-Mrf-Section-Lastmod
X-Ttl
X-B3-TraceId-Primal
S
X-Akam-SW-Version
X-DataStream-Cache-Status
X-Forwarded-For
X-Frontend
X-PressLabs-Stats
Tracecode
X-HS-Content-Id
X-HS-Hub-Id
Alternate-Protocol
X-Grace
X-User-Agent
X-Amzn-Trace-Id
X-CACHE-GROUP
Server-Name
X-Content-Digest
DynaTrace
X-FastCGI-Cache
AMP-Access-Control-Allow-Source-Origin
X-Content-Options
Refresh
X-Pad
TCN
Powered-By-ChinaCache
X-Content-Type
Backend-Timing
MicrosoftSharePointTeamServices
X-Analytics
Accept-Charset
X-LB-Cache
Fastcgi-Cache
Access-Control-Request-Method
X-Az
X-Activity-Id
X-AppVersion
X-Debug-Info
X-Sol
Display
X-Zen-Fury
X-Middleton-Display
X-IPLB-Instance
X-Page-Id
X-Rid
FilterID
X-CF-Powered-By
Host
X-Cache-Key
MS-CV
ServerID
Cache-Status
Response
X-Magnolia-Registration
X-Middleton-Response
TP-Cache
X-TA-CDN-Provider
TP-L2-Cache
X-Fastcgi-Cache
X-Cache-Hit
X-Content-Powered-By
X-Hostname
X-Srv
X-RateLimit-Remaining
X-Mobile
X-ATG-Version
X-Seen-By
X-VCache
X-Oneagent-Js-Injection
X-WA-Info
Surrogate-Key
X-XRDS-LOCATION
X-Revision
X-B3-Sampled
X-Varnish-Backend
X-Cached-By
X-Request-Processing-Time
X-Request-Received
X-SS-Set-Cookie
Rt-Fastcgi-Cache
X-Cluster
X-Signature
X-B-Cache
X-Tumblr-Pixel
X-Tumblr-User
X-Drupal-Cache-Tags
VIX-Pulpo-Node
VIX-Pulpo-Upstream-Status
X-Instance
X-Tumblr-Pixel-0
X-Platform-Server
X-GUploader-UploadID
X-Whom
X-Wix-Request-Id
ViewerVersion
X-PHP-Backend
X-Request-Guid
Cleartype
Host-Header
X-Cache-Action
X-Handled-By
X-Content-Security-Policy-Report-Only
X-Origin-Server
Source
X-App-Environment
X-Akamai-Edgescape
X-Framework
X-Cache-Age
X-TT
Server-Info
DC
X-Edge-Location
X-Cache-Control
X-Amz-Apigw-Id
X-Amzn-RequestId
X-BCube-Filmed-By
X-Geo-Country
X-Generated-By
X-App-Server
X-FW-Serve
X-FW-Type
X-FW-Server
X-FW-Hash
X-FW-Static
X-Cache-Rule
Server-Node
Fusion-Content-Source
Fusion-Source
Fusion-Component-Id
Fusion-Content-Id
X-Varnish-Server
Fusion-Template-Id
X-NWS-LOG-UUID
X-Real-IP
X-Varnish-Hostname
X-AOL-HN
Retry-After
X-Cache-2
X-Ruxit-Js-Agent
X-Correlation-Id
Eomportal-Instance
X-FB-Debug
Payment
X-Varnish-Grace
Webserver
Access-Control-Allow-Method
Actual-Object-TTL
X-Amz-Server-Side-Encryption
X-Response-Served-From
X-Tumblr-Pixel-1
X-Tumblr-Pixel-2
X-Varnish-Hits
Content-Script-Type
Healthy
Content-Style-Type
X-Amz-Replication-Status
NGB
X-TT-TIMESTAMP
X-TX-ID
X-Cacheable-TTL
X-RTag
X-Jobs
GEO-INFO
X-Drupal-Cache-Contexts
Filters
Ms-Operation-Id
X-Device-Type
AsisCache
X-Region
Viewport
X-WebKit-CSP-Report-Only
ServedBy
X-UUID
X-Varnish-IP
Upgrade-Insecure-Requests
X-Locale
X-Rendered-As
X-RequestSource
X-Servedby
X-Cache-Config
X-UA-Device-Type
From-Origin
Country
Cache-Tv-Group
X-Contextid
X-Accel-Expires
X-WPE-Loopback-Upstream-Addr
X-Adobe-Content
Cache
X-Ezoic-Cdn
X-Adobe-Loc
HitType
X-BACKEND-TTL
Edge-Cache-Tag
X-Cache-TTL-Remaining
X-Cache-TTL
X-Cache-Server
X-VG-WebCache
Fastcgi-Useragent
X-FW-Dynamic
X-Cache-Remote
Pagespeed
X-Cache-Operation
X-Kong-Proxy-Latency
X-Content-Age
X-Kong-Upstream-Latency
Fastly-Restarts
X-Upgrade-Enabled
X-Hit
X-APP-VERSION
Cache-Tags
X-Upstream-Proxy
X-Redis-Cache
X-Source
X-Storage
X-Esi
X-RateLimit-Limit
X-S
X-CACHE-KEY
Datacenter
X-Mode
Served-By
Cache-Tag
X-App-Version
X-GeoIP
X-Backend-Name
X-Path-Route
Load-Balancing
Machine
Meta-Geo
Origin-Cache-Control
Origin-Edge-Control
X-NCache
X-Rule
X-Is-Bot
X-RN-RSRV
X-Generated
X-Detected-As
X-Cache-Var-Map
X-JoinUs
X-Internal-Host
X-Cache-Var
X-NGENIX-Cache
Now
X-Agile
X-Akamai-Request-ID
Selected-FE
X-Varnish-Cache-Hits
Xserver
X-Agile-Id
Vix-Hermes-Req-Id
X-Agile-Age
SRV
X-Time-Microsecs
X-Cache-Category-Id
X-FC-Vary-Parameters
X-ProxyCache-Status
X-CDN-Cache
X-ServerID
X-Origin-Response-Time
X-Grey
NtCoent-Length
X-Loop
X-Hosted-By
X-Hl-Ver
X-Tb
X-Edge-IP
X-Proxy
X-Proxy-Build
X-Www-Served-By
X-BYPASS-REASON
X-Varnish-Cacheable
X-TNCMS
X-ProxyCache-Key
X-Timing-Wait
Cache-Name
TWC-Connection-Speed
X-Pubstack
X-L-Path
X-Origin-Hint
X-Origin-Host
X-ProcessESI
Property-Id
X-PCL
TWC-Device-Class
X-OCL
TWC-Privacy
Cache-Key
X-Environment-Context
X-Birta-Served
X-Via-Fastly
X-Birta-Cache-Post
X-Web-Node
Webcakes-Region
Webcakes-App-Version
TWC-GeoIP-LatLong
TWC-GeoIP-Country
X-IP
TWC-Locale-Group
Webcakes-App-Name
X-Labrador-Cache-Channel
X-RemovedCookies
X-Format
X-Akamai-Transformed
X-DataStream-Origin-MEX-Latency
X-DataStream-MidMile-RTT
Azure-SlotName
X-Guploader-Uploadid
X-ApacheServer
Public-Key-Pins-Report-Only
X-PERF
X-Section
X-Human
X-Viewer-Country
X-Access
S-Rt
Azure-Version
X-Pc-Hit
X-Pc-Key
Fastcgi-X-Cache-Version
X-CCM
DB-Nickname
X-Daa-Tunnel
Azure-InstanceId
Azure-RegionName
X-Site-Version
X-Pc-Appver
Azure-SiteName
X-Debug-Cache
We-Hiring
X-VG-TLSProxy
X-App-Name
X-Cache-NE
X-Proxied
X-Routing-Service
X-Cache-Enabled
Mail-Subject
X-MP-GENERATED-AT
X-Zipkin-Id
X-Xfnlog-Site
Access-Control-Request-Headers
X-Status
X-Original-Request
X-Microcachable
X-Origin
S-Cnection
Nel
X-GEO
Liferay-Portal
X-EdgeConnect-Cache-Status
X-Protected-By
User-Cache-Control
X-Nginx-Cache
X-Ocache
X-Request-Time
X-Sucuri-ID
User-Agent
X-UA
X-FW-Version
X-Cdn-Forward
LB
X-Node-Name
Cache-Hits
X-ES-SERVER
X-Yottaa-Metrics
X-Yottaa-Optimizations
X-Webstats-RespID
X-Tumblr-Pixel-3
X-Proto
X-Nc
Ohc-File-Size
X-GRACE
Powered
X-Trace-Id
X-FB-TRIP-ID
PageSpeed
X-Origin-CC
X-Time
X-Endurance-Cache-Level
X-Correlation-ID
X-Ua
X-Forwarded-Host
X-Unique-ID
L5d-Success-Class
Frame-Options
X-Webkit-Csp
X-Varnish-Beresp-Status
Section-Io-Cache
X-Varnish-Beresp-Grace
X-V
CACHE
X-Pc-Host
X-VWS-Id
X-Pc-Date
X-Pc-Subdomain
X-AWS-Id
X-LJ-Flow-ID
X-OVcl-Cache
X-OVcl
X-Upstream-HT
AR-SID
OT-Force-Account-Verify
X-Origin-TTL
X-Parent-Response-Time
X-Rocket-Nginx-Bypass
X-Upstream-CT
X-R9-Blue-Green-Version
IBM-Web2-Location
X-Cache-Backend
X-ElasticPress-Search
X-Cluster-Node
X-Vgn-Hpd-Reason
Cache-Prefix
Decoy-Debug-Key
Country-Code
X-CF-Lambda-Version
X-Connection-Hash
X-Developer
X-Cache-Bucket
Mobile-Detection-Method
X-Destination
X-Date
GMS-Ver
X-LI-UUID
Fly-Request-Id
Ec-Rule-Version
Decoy-Debug-TTL
X-DPWN-IS-SECURE
X-CF-Lambda-Fn
Fly-Cache
X-Distil-CS
Decoy-Debug-Status
X-Fetched-On
X-IN-APIGATEWAY
X-Hnp-Log
Memcached
MD5-Digest
X-IN-SSL-APIGATEWAY
X-Cache-FS-Status
X-Irp-Debug
X-Info
X-Micro-Cache
X-IN-WAF
X-Li-Fabric
X-Li-Pop
Meta-Geo-Continent
BehaviorPad-Version
X-External-Request-Id
X-Cdn-Srv
Arc-Country
X-Cache-URL
X-Generated-In
X-Gen-Mode
X-From
X-LI-Proto
Viewtype
X-We-Are-Hiring
X-VG-WebServer
X-Wikidot-Static-Cache
X-Server-Group
X-Server-By
X-Aed
X-User
X-Application
X-Twitter-Response-Tags
X-Amz-Meta-Cache-Control
X-UE-Client-Country
X-ScT
X-S-Maxage
X-Reboot
Xc-Version
Www
VivaBuild
X-Region-Sid
X-Request-UUID
X-S-Cookie
X-Rojux
X-Rewrite-Enabled
X-Accel-Expires-Debug
Resin-Trace
X-Wikidot-Backend
X-NU-AKA-ACS-Version
X-SRCache-Key
X-PAYTM-SRV-ID
Rendered-Blocks
Powered-By
X-Block-Status
X-B-Cookie
X-Transaction
X-Auto-Login
X-ARC
X-BB-ID
X-Varnish-Ttl
X-Trv-Group
Node
X-Varnish-Beresp-Ttl
X-Dc
X-A-Dcw
X-CGP
X-A-Dgt
X-A-Ccd
X-A-Dam
X-Bip
X-Crawler
Who
Web-Mar-Node
X-A
X-Core-Mission
X-Clientip
X-Cache-Debug
X-A-Wwc
Ha-Gx-Prefs
X-Actual-URL
X-C
X-Cache-Host
Lfy
X-Cache-Grace
Server-Host
X-Alternate-Cache-Key
SD-X-WS
Request-Time
X-Cache-Id
X-Cache-Info
X-Backend-State
Platform
X-Backend-Url
Proxy-Connection
Is-Eu
X-Backend-Host
X-CUA
HA-Ipaddr
X-Origin-Expires
X-Passed-To-PostProcessResponse
X-Passed-To-DLL
X-PHP-Host
X-TT-LOGID
X-Variation
X-ServiceProvider
X-Thanos
X-Svr
X-Passed-To
X-Shopify-Stage
X-Passed-To-BeforeDispatch
X-Sorting-Hat-PodId
X-Stale
X-Sorting-Hat-ShopId
X-Platform
X-Varnish-Action
X-Rebelmouse-Surrogate-Control
X-Proxy-Cache-Status
X-Proxy-Upstream
X-Rebelmouse-Cache-Control
X-RateLimit-Remaining-Second
X-RateLimit-Limit-Second
X-Response-By
X-Returned-From
X-Policy
X-Server-IP
X-Returned-From-PostProcessResponse
X-Returned-From-DLL
X-Returned-From-BeforeDispatch
X-ShopId
X-ShardId
X-Epic-Correlation-Id
CDCHOST
X-Eu-Site
Backend
X-G
X-FireWall-Port
Content-Disposition
Countrycode
Fastly-SWR
X-Dispatcher-Server
Fastly-Soc-X-Request-Id
Fastly-SIE
Fastly-Backend-Name
Ajk
Adler-Geo
X-Logtrace-Id
X-Location
X-Nginx-Cache-Key
X-Node-Id
X-Sf
X-Origin-Date
X-Server-Cache
X-Level-Front-Cache
X-GeoIP-Country-Code
X-Generated-On
X-Goog-Meta-Goog-Reserved-File-Mtime
X-Hash
X-LAGOON
X-D
Mn-Server-Ip
Fastcgi-X-Cache
Warning
X-Sucuri-Cache
X-EIG-Tracking-Id
Apple-News-Services-Host
Apple-News-Services-Parsed-Url
X-Gannett-Site-Version
Apple-News-Services-Handled
AKAMAI
Apple-News-Services-Request-Url
X-Generation-Time
X-Fastly-Cache
X-Debug-Cookies
X-Debug-Cache-Store
X-Debug-Cache-Fetch
X-Debug-Cache-Expiry
X-Debug-Log
X-Developers
X-F5-Cache
X-Distributor
Fastly-SSL
X-Device-Os
X-Instart-Isnd
X-Matched-Rule
X-Var-Ttl
X-UnsetCookies
X-Thinkindot-L3
X-Swa-Ws
X-Varnish-Authentication
X-Via-CDN
X-TrackingId
X-SERVER
X-Via-NSCOPI
X-SIPLIST1
X-Edge-Cache
X-No-Session
X-MSEdge-Flight
X-MSEdge-Features
GW-Server
X-NX-Host
X-Qloud-Router
X-Secret
X-Edge-Cache-Key
X-TIME
X-Key
X-Request-URI
Pagetype
Pramga
Release
Origin
On-Server
Magicmarker
X-Cache-Expires
X-Cache-ASPX
True-Client-Country-4JS
Thinkindot-Control
Server-Cache-Control
SS
Server-Surrogate-Control
Thinkindot-CacheControl
Thinkindot-CacheControl-Type
X-Amz-Meta-Surrogate-Control
RNT-Time
IsBot
RNT-Machine
Heartbleed
X-HS-Cache-Config
HostName
X-Croise-Owner
X-Core-Value
NGX
Kp-EeAlive
Server-ID
X-Fstrz
REQUESTUUID
X-Up
Cache-Cookie-Set-From
Cache-Cookie-Set-Lfrom
X-Died
Server-Int
Cache-Cookie-Set-Idcheck
X-Cache-Miss-From
X-Be
X-Sedo-Request-Id
X-Pjax-Url
X-Page-Type
X-Server-Time
X-Varnish-Url
SID
Version
X-B3-Traceid
X-Servername
RequestId
X-Newrelic-App-Data
X-SN
PFcat
X-Owner
X-Refresh
X-From-Cache
Odigeo-Trace-Id
X-Dynatrace-Js-Agent
X-URL
X-CDN-Forward
X-Store
Time
X-Cache-CFC
X-Oss-Storage-Class
Cteonnt-Length
X-Oss-Object-Type
MIME-Version
X-Oss-Hash-Crc64ecma
X-Oss-Request-Id
X-Oss-Server-Time
Esi-Enabled
Mime-Version
X-B3-SpanId
X-NC
Cdn
MI-API
X-MI-In-Market
X-FPC
X-Layer
X-RCS-CacheZone
HTTPS
MI-Cache
MI-Cache-Age
Hostname
X-RequestId
HA-Geolat
HA-Geocity
HA-Geocountry
HA-Host
Cdn-Request-Time
X-Edge-Server
HA-Georegion
X-Servedbyhost
X-IPS-LoggedIn
HA-Cloudapp
HA-Urlpath
X-Ratelimit-Remaining
HA-Servedtime
PICS-Label
Cdn-Host
HA-Geolon
X-Hyper-Cache
FastCGI-Cache
X-Req
X-CSRF-TOKEN
X-Real-Ip
Backend-Name
X-Webkit-CSP
Processtime
Memory
X-Mrs-Cache-Hits
X-Mshield-Cache-Status
X-Unique-Id-Primal
CF-IPCountry
X-Mrs-Cache
X-CLOUD-TRACE-CONTEXT
ProcessTime
X-Mrs-Age
X-CMS-Context
X-Amzn-Remapped-Connection
X-GZip
X-Ratelimit-Limit
X-Amzn-Remapped-Date
X-Mobile-URL
X-Load-Cache
X-Varnish-Beresp-TTL
X-Geo
Cross-Origin-Window-Policy
Ohc-Response-Time
X-Instart-Info
X-Wa
X-VServer
Cf-Ipcountry
CDN
X-B3-Spanid
X-Lb-Id
X-Aicache-OS
X-WebServer
X-HS-Combine-CSS
X-DC
X-NodeID
X-Phone
X-Pf-Uncompressing
X-WR-MODIFICATION
GeoIP-Country-Code
X-HTML-Minification-Powered-By
X-Fastly-Country-Code
X-Skip-Cache
X-Request-Start
X-Newrelic-Synthetics
Amp-Access-Control-Allow-Source-Origin
XServer
X-WA
URI
X-NODE
X-PF-Uncompressing
GeoIP-Latitude
X-Release
X-Atg-Version
Ohc-Cache-HIT
Uber-Trace-Id
Accept-Ch-Lifetime
X-Server-W
T-Server
X-Nananana
X-VC-Cache
X-FORWARDED-FOR
X-Cms-Context
X-Gateway-Cache-Key
X-Gateway-Skip-Cache
X-Gateway-Cache-Status
N-Cache
X-ND-Cache
X-Served-From
Rt-Proxy-Cache
X-Tb-Optimization-Total-Bytes-Saved
X-Oracle-Dms-Ecid
X-COUNTRY
X-LB-ID
X-ServedByHost
X-UCC
X-GoCache-CacheStatus
X-CSRF-Token
X-APP
X-Unique-Id
Pics-Label
X-MServer
X-Processor
X-Worker
X-SRV
X-Datadome
X-Sn-Servicetimems
A
X-UPSTREAM-Address
V-Age
X-LiteSpeed-Cache-Control
X-Cdn-Origin
X-Fastly-Cache-Hits
X-BBXSRF
X-Hp-Webp
X-SERVER-NAME
X-SVT-ORM-VERSION
X-SVT-ORM-RULES
Proxy-Firewall
X-Optimization
X-CACHE-AGE
X-Cache-HT
DataCenter
X-Shard
Get-Access-Time
X-Requestid
Is-Session-Tracking
X-HS-Status
X-Check-Cacheable
X-P-T
X-GZIP
X-VCT
X-NGINX-Cache
X-Geo-Header
Dnion-Transfer-Encoding
X-GeoIP-City
Cneonction
ServerName
X-ID
X-Amzn-Remapped-Content-Length
X-ServerName
Host-ID
X-Vcache
X-BE
Geoip-Latitude
X-Backend-TTL
X-Vg-Webcache
X-PAGE-TYPE
X-Varnish-URL
X-Fe
X-GDPR
GeoIp-Country-Code
X-Csrf-Token
X-RCS-Backend
Requestid
UCS
X-Port
X-PJAX-URL
Serverid
X-NWS-UUID-VERIFY
RequestUuid
X-StackifyID
Request-Country
X-Dw-Trace-Id
Request-EU
Server-Id
X-LiteSpeed-Tag
WP-Super-Cache
Cache-Provider
X-HostName
X-Git-Hash
X-RAMCache
X-Fastly-Backend-Reqs
Inserted-Into-Cache-At
X-Fpc
X-HTML-Edge-Cache
189phosttRef
286prxHost
225prxHost
352pxline
X-Request-Url
409pxxline
355prline
219prxHost
X-Org
178proxuri
WZWS-RAY
188prxHost
X-CS
Xxline
DSUID