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