Threat Level: green Handler on Duty: Johannes Ullrich

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-UA-Compatible
X-Cache-Hits
X-Xss-Protection
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-Amz-Cf-Pop
X-Download-Options
Access-Control-Allow-Credentials
X-Runtime
P3p
X-Drupal-Cache
X-Check
X-Adblock-Key
X-Cacheable
Alt-Svc
Content-Security-Policy-Report-Only
X-Generator
CF-Ray
X-Cache-Status
X-DNS-Prefetch-Control
X-AspNetMvc-Version
Status
X-Template
X-Language
Timing-Allow-Origin
X-Iinfo
X-Permitted-Cross-Domain-Policies
Content-Encoding
X-Buckets
X-Content-Security-Policy
X-Turbo-Charged-By
X-Kinja-Server-Push
Upgrade
X-CDN
Xkey
X-Type
Keep-Alive
Access-Control-Expose-Headers
Access-Control-Max-Age
WPE-Backend
X-Pass-Why
X-Request-ID
X-AH-Environment
X-Backend
X-Cache-Group
X-Server
X-Age
X-Drupal-Dynamic-Cache
X-Via
X-Pingback
Grace
X-Nginx-Cache-Status
X-Server-Powered-By
EagleId
X-Amz-Id-2
X-Amz-Request-Id
X-Hacker
X-UA-Device
X-Robots-Tag
X-LiteSpeed-Cache
X-Varnish-Cache
X-Page-Speed
X-Proxy-Cache
Request-Context
X-Swift-SaveTime
X-Swift-CacheTime
Cf-Railgun
X-Envoy-Upstream-Service-Time
Ali-Swift-Global-Savetime
X-Ua-Compatible
X-WebKit-CSP
X-Ac
X-Styx-Req-Id
X-Pantheon-Styx-Hostname
X-Device
X-Cache-Lookup
X-Amz-Version-Id
X-Cnection
Content-Location
X-Server-Id
Surrogate-Control
X-OneAgent-JS-Injection
X-Readtime
EagleEye-TraceId
X-CST
Report-To
X-Node
X-Host
X-Response-Time
X-Rq
Feature-Policy
Server-Timing
X-Iejgwucgyu
X-Backend-Server
X-Application-Context
X-ORACLE-DMS-ECID
X-Rack-Cache
Request-Id
X-Cloud-Trace-Context
X-Instart-Request-ID
Allow
X-Clacks-Overhead
X-Url
NEL
Rating
X-DynaTrace
X-Country
Edge-Control
X-EdgeConnect-Origin-MEX-Latency
X-EdgeConnect-MidMile-RTT
X-Origin-Cache
X-Varnish-TTL
X-FTR-Request-ID
X-Server-ID
X-Country-Code
X-B3-TraceId
X-Px
X-Cdn
X-Ruxit-JS-Agent
X-DataDome
X-ORACLE-DMS-RID
X-GitHub-Request-Id
X-Vhost
X-ESI
X-Trace
X-VARITI-CCR
Accept-CH
X-TTL
X-Goog-Hash
X-Server-Name
X-Cached
RTSS
Charset
X-MS-InvokeApp
Pinterest-Generated-By
X-Mod-Pagespeed
Verso
X-Mobile-Rewrite
PB-PID
PB-RID
Arc-Version
X-D2id
Public-Key-Pins
X-Cdn-Fetch
X-Exp-Variant
X-Kinja-Revision
X-Kinja-Server
X-Kinja-Build
X-Kinja
X-GoogleNews-Bot
X-Exp-Id
X-Use-Magma
X-Version
X-F-Cache
SPRequestGuid
X-TtlSet
X-Vname
X-PC
X-Dispatcher
X-DynaTrace-JS-Agent
X-T
X-DIS-Request-ID
Accept-CH-Lifetime
X-Powered-By-Plesk
X-Abt-Application-Version
X-SharePointHealthScore
X-Powered-CMS
X-Fastly-Request-ID
X-Origin-Upstream-Status
X-Ser
X-Navigation-Version
X-Pinterest-Rid
X-Upstream-Env
Pinterest-Version
X-SRCache-Fetch-Status
X-SRCache-Store-Status
X-B
X-Client-IP
Realpath
X-Amz-Rid
X-Shield-Request-Id
X-Forwarded-Proto
MS-Author-Via
X-Recruiting
X-HW
X-Upstream
SPIisLatency
SPRequestDuration
X-Vcap-Request-Id
DynaTrace
X-TEC-API-ORIGIN
X-TEC-API-ROOT
X-TEC-API-VERSION
X-Accel-Buffering
X-Wix-Server-Artifact-Id
X-Goog-Stored-Content-Encoding
X-Goog-Stored-Content-Length
X-Goog-Metageneration
X-Goog-Generation
Nginx-Cache
Arr-Disable-Session-Affinity
X-Amz-Meta-S3cmd-Attrs
X-XRDS-Location
X-Varnish-Age
AR-CACHE
AR-PoweredBy
Content-MD5
AR-ATIME
X-Debug
X-Via-JSL
X-Dw-Request-Base-Id
X-B3-TraceId-Primal
Mrf-Cache-Status
MRF-Tech
X-Mrf-Item-Lastmod
X-Mrf-Section-Lastmod
X-Hits
X-Goog-Storage-Class
X-MSEdge-Ref
X-Id
X-NewRelic-App-Data
X-N
X-Oracle-Dms-Rid
X-Aspnet-Version
X-Acc-Meta-Resource-Type
X-NF-Request-ID
X-FTR-Backend-Server
X-Country-Code-Real
X-FTR-Balancer
X-FTR-Backend
X-FTR-DC
X-FTR-Cache-Status
X-FTR-Realm
Service-Worker-Allowed
X-FTR-Expires
S
Access-Control-Request-Method
X-Ttl
X-ATG-Version
Edge-Cache-Tag
TCN
Alternate-Protocol
X-Logged-In
AMP-Access-Control-Allow-Source-Origin
X-Kinsta-Cache
X-PressLabs-Stats
X-HS-Content-Id
X-HS-Hub-Id
X-Oneagent-Js-Injection
X-Frontend
X-FastCGI-Cache
Surrogate-Key
X-Forwarded-For
Rt-Fastcgi-Cache
X-RateLimit-Remaining
X-FTR-Cache-Host
X-Content-Digest
Tracecode
X-Cache-Key
X-Pad
X-CF-Powered-By
Fastcgi-Cache
X-TA-CDN-Provider
Server-Name
Ar-Sid
MicrosoftSharePointTeamServices
Fastly-Restarts
Backend-Timing
X-Analytics
X-Amzn-Trace-Id
X-User-Agent
TP-L2-Cache
Host
TP-Cache
X-Edge-Location
X-Cache-2
FilterID
X-Rid
X-Magnolia-Registration
X-Debug-Info
X-B3-Sampled
ServerID
X-Whom
X-Page-Id
X-Mobile
X-Grace
X-Content-Options
X-Revision
X-IPLB-Instance
Eomportal-Instance
Front-End-Https
X-Hostname
Paypal-Debug-Id
X-Srv
X-Akam-SW-Version
X-NWS-LOG-UUID
AR-Request-ID
Refresh
X-LB-Cache
X-VCache
X-Request-Received
X-Request-Processing-Time
Retry-After
X-Content-Powered-By
X-Az
X-AppVersion
X-Activity-Id
X-B-Cache
X-Signature
X-SS-Set-Cookie
X-Cache-Action
X-Cluster
X-Framework
X-Handled-By
X-Varnish-Hostname
X-URL
Cleartype
Source
X-Tumblr-Pixel-0
X-Tumblr-User
X-Request-Guid
X-Platform-Server
X-App-Environment
X-Cache-Control
X-Tumblr-Pixel
X-BCube-Filmed-By
X-WA-Info
X-Akamai-Edgescape
X-Device-Type
X-FB-Debug
X-AOL-HN
X-Litespeed-Cache
X-Instance
X-GUploader-UploadID
X-Content-Security-Policy-Report-Only
Webserver
X-Content-Type
X-Cache-Hit
X-Correlation-Id
VIX-Pulpo-Upstream-Status
VIX-Pulpo-Node
X-Zen-Fury
X-Varnish-Grace
X-Fastcgi-Cache
Display
X-Middleton-Display
X-Sol
Accept-Charset
X-Cache-Rule
X-Varnish-Backend
X-Ruxit-Js-Agent
Healthy
ViewerVersion
X-Wix-Request-Id
X-Seen-By
X-TT
X-Origin-Server
X-Drupal-Cache-Tags
X-Cache-Age
X-Cache-Server
Response
X-Middleton-Response
X-Daa-Tunnel
Upgrade-Insecure-Requests
Cache-Status
X-DataStream-Cache-Status
MS-CV
X-Varnish-Server
X-Cached-By
X-Drupal-Cache-Contexts
X-App-Server
Payment
X-Geo-Country
X-Generated-By
X-Amz-Replication-Status
X-PHP-Backend
X-Amz-Apigw-Id
X-Amzn-RequestId
Server-Node
X-UA-Device-Type
X-Storage
Filters
X-Response-Served-From
X-CACHE-GROUP
NGB
Access-Control-Allow-Method
X-Adobe-Loc
X-Cacheable-TTL
GEO-INFO
X-HS-Cache-Config
X-Adobe-Content
X-S
X-Varnish-IP
X-RequestSource
X-UUID
X-Servedby
Actual-Object-TTL
X-Esi
Viewport
X-Cache-NE
X-Contextid
X-Edge-Cache-Key
X-FW-Static
X-FW-Hash
X-FW-Type
X-Jobs
X-FW-Server
X-FW-Serve
X-Edge-Cache
X-TT-TIMESTAMP
X-Varnish-Hits
ServedBy
X-Locale
X-Amz-Server-Side-Encryption
X-Tumblr-Pixel-1
X-Tumblr-Pixel-2
X-WPE-Loopback-Upstream-Addr
X-Accel-Expires
Cache-Tv-Group
X-TX-ID
Server-Info
X-Cache-Remote
AsisCache
X-WebKit-CSP-Report-Only
X-Cache-TTL-Remaining
X-Status
S-Cnection
X-XRDS-LOCATION
From-Origin
X-Rendered-As
X-GeoIP
Host-Header
X-Dns-Prefetch-Control
X-Cache-Operation
X-Region
X-App-Version
X-Croise-Owner
HostName
Cache
SRV
X-APP-VERSION
X-Redis-Cache
X-CACHE-KEY
X-Node-Name
X-Webkit-CSP
Served-By
X-BACKEND-TTL
X-Hyper-Cache
Content-Script-Type
Content-Style-Type
DC
Liferay-Portal
X-Kong-Upstream-Latency
X-Kong-Proxy-Latency
X-Upgrade-Enabled
X-Guploader-Uploadid
Public-Key-Pins-Report-Only
Cache-Tag
X-Vg-Webcache
X-RTag
X-Grey
X-Cache-Var
X-NGENIX-Cache
X-RN-RSRV
X-Generated
X-Cache-Config
X-Detected-As
X-Mode
X-Site-Version
Xserver
Machine
Selected-FE
X-Hosted-By
X-Cache-Var-Map
X-Is-Bot
X-Proxy-Build
X-Akamai-Transformed
X-Cache-Category-Id
X-Webstats-RespID
X-Timing-Wait
Meta-Geo
X-Path-Route
Ms-Operation-Id
X-NCache
X-L-Path
X-JoinUs
X-Internal-Host
X-Labrador-Cache-Channel
X-Loop
X-Environment-Context
X-Via-Fastly
X-Upstream-HT
X-CDN-Cache
X-BYPASS-REASON
X-ProxyCache-Status
X-ProxyCache-Key
X-Agile-Id
X-Request-Time
X-Original-Request
X-Upstream-CT
Now
X-Agile
X-Agile-Age
Origin-Edge-Control
Origin-Cache-Control
X-Origin-Response-Time
X-Akamai-Request-ID
X-TNCMS
X-Parent-Response-Time
X-Human
Cache-Name
User-Cache-Control
Azure-InstanceId
Azure-RegionName
X-Format
DB-Nickname
X-Edge-IP
Azure-Version
Azure-SlotName
Azure-SiteName
X-IP
X-RemovedCookies
X-ProcessESI
X-ServerID
X-Origin-CC
X-Pc-Appver
X-GRACE
X-Proxy
X-Origin
X-Tumblr-Pixel-3
X-Pc-Hit
X-B3-Spanid
X-Pc-Key
X-Web-Node
X-Protected-By
X-Backend-Name
Fastcgi-Useragent
Fastcgi-X-Cache
Fastcgi-X-Cache-Version
X-PCL
TWC-GeoIP-LatLong
TWC-Locale-Group
TWC-Privacy
Webcakes-App-Name
TWC-GeoIP-Country
TWC-Device-Class
S-Rt
X-Access
Webcakes-Region
TWC-Connection-Speed
Property-Id
X-Birta-Cache-Post
X-Tb
X-Origin-Hint
X-Origin-Host
X-Birta-Served
X-Viewer-Country
X-Time-Microsecs
X-Xfnlog-Site
X-Www-Served-By
Webcakes-App-Version
X-FC-Vary-Parameters
X-Ocache
X-VG-TLSProxy
Cache-Key
X-Rule
X-OCL
X-Section
X-Forwarded-Host
X-CCM
X-Vgn-Hpd-Reason
X-Zipkin-Id
X-Routing-Service
X-App-Name
X-Proxied
X-Pubstack
Cache-Tags
Pagespeed
Powered-By-ChinaCache
Vix-Hermes-Req-Id
X-RateLimit-Limit
HitType
Load-Balancing
X-FB-TRIP-ID
Mn-Server-Ip
X-Endurance-Cache-Level
X-Cache-TTL
X-Nginx-Cache
Country
X-PERF
X-Content-Age
X-Cache-Backend
X-ApacheServer
X-NODE
X-TIME
Datacenter
X-Real-IP
X-Via-CDN
X-Mshield-Cache-Status
X-Mrs-Cache-Hits
X-Mrs-Age
X-Mrs-Cache
X-Unique-Id-Primal
X-Ezoic-Cdn
OT-Force-Account-Verify
X-Yottaa-Optimizations
X-Yottaa-Metrics
Time
X-ShardId
X-ShopId
X-Shopify-Stage
X-Sorting-Hat-PodId
X-Sorting-Hat-ShopId
X-Cdn-Forward
X-Alternate-Cache-Key
Fusion-Component-Id
Fusion-Content-Id
Fusion-Source
Fusion-Template-Id
Fusion-Content-Source
Ohc-File-Size
X-UA
X-Varnish-Cacheable
X-Debug-Cache
X-OVcl-Cache
X-OVcl
X-Ua
X-Sucuri-ID
LB
X-Pc-Date
X-Pc-Host
X-Nc
L5d-Success-Class
X-Correlation-ID
X-CDN-Forward
X-Varnish-Beresp-Ttl
X-HS-Combine-CSS
X-Varnish-Beresp-Grace
X-Hl-Ver
X-Varnish-Beresp-Status
Mail-Subject
X-MP-GENERATED-AT
NtCoent-Length
Section-Io-Cache
We-Hiring
X-Proto
X-Unique-ID
X-Hit
X-Amz-Meta-Surrogate-Control
X-Trace-Id
X-Time
User-Agent
X-Front
X-Real-Ip
X-Akamai-Request-ID2
X-Cache-Enabled
AR-SID
Pagetype
Access-Control-Request-Headers
X-C
Version
Accept-Language
X-Ratelimit-Limit
X-Newrelic-App-Data
X-Dynatrace-Js-Agent
Warning
X-Rocket-Nginx-Bypass
X-EdgeConnect-Cache-Status
X-Microcachable
Xc-Version
X-Application
X-Cache-Host
X-Auto-Login
X-B-Cookie
X-Cache-Id
X-Bip
X-BB-ID
X-Cache-Bucket
X-Cache-Debug
X-Cache-Expires
X-Connection-Hash
X-Developer
X-Destination
X-Device-Os
X-Died
X-Dispatcher-Server
X-Date
X-D
X-CF-Lambda-Version
X-CF-Lambda-Fn
X-Aed
X-Crawler
X-CUA
X-Cache-URL
X-A-Wwc
Rendered-Blocks
Release
Powered-By
Request-Time
Resin-Trace
RNT-Time
RNT-Machine
Platform
PFcat
MD5-Digest
Is-Eu
Memcached
Meta-Geo-Continent
Node
Mobile-Detection-Method
Rt-Proxy-Cache
Server-Host
X-A-Dam
X-A-Ccd
X-A
X-A-Dcw
X-A-Dgt
X-Accel-Expires-Debug
X-DPWN-IS-SECURE
Www
VivaBuild
Thinkindot-CacheControl
Server-ID
Thinkindot-CacheControl-Type
Thinkindot-Control
Viewtype
V-Age
X-Actual-URL
X-From
X-Region-Sid
X-Reboot
X-Request-UUID
X-Twitter-Response-Tags
X-Returned-From
X-TT-LOGID
X-Rebelmouse-Surrogate-Control
X-Rebelmouse-Cache-Control
X-Server-Time
X-UE-Client-Country
X-PHP-Host
IBM-Web2-Location
X-RCS-CacheZone
X-Qloud-Router
X-Trv-Group
X-Returned-From-BeforeDispatch
X-Swa-Ws
X-S-Cookie
X-Svr
X-Store
X-SRCache-Key
X-S-Maxage
X-Thanos
X-Thinkindot-L3
X-Returned-From-DLL
X-Served-From
X-Transaction
X-Returned-From-PostProcessResponse
X-Rojux
X-Rewrite-Enabled
X-PAYTM-SRV-ID
X-Passed-To-PostProcessResponse
X-We-Are-Hiring
X-Generated-On
X-VG-WebServer
X-Goog-Meta-Goog-Reserved-File-Mtime
X-Level-Front-Cache
X-Layer
X-Generated-In
X-WebServer
X-Fetched-On
X-External-Request-Id
X-ScT
X-FW-Version
X-Server-By
X-G
X-Li-Fabric
X-Li-Pop
X-P-T
X-Var-Ttl
X-User
X-Passed-To
X-Passed-To-DLL
X-Passed-To-BeforeDispatch
X-NU-AKA-ACS-Version
X-Matched-Rule
X-LI-Proto
X-Varnish-Action
X-Variation
X-LI-UUID
X-Logtrace-Id
X-Server-IP
X-Cache-FS-Status
BehaviorPad-Version
Ajk
Adler-Geo
Frame-Options
Fastly-SWR
Fly-Cache
Arc-Country
Fly-Request-Id
Fastly-SIE
Fastly-Backend-Name
Cache-Prefix
X-CLOUD-TRACE-CONTEXT
Ec-Rule-Version
X-Fstrz
X-Gannett-Site-Version
X-F5-Cache
X-Distil-CS
AKAMAI
X-Epic-Correlation-Id
X-Distributor
Backend-Name
X-Block-Status
X-Backend-Url
X-Backend-Host
X-Amz-Meta-Cache-Control
Cache-Cookie-Set-Lfrom
X-Cache-CFC
Backend
X-Gen-Mode
Cache-Cookie-Set-From
Cache-Cookie-Set-Idcheck
X-Clientip
X-Hash
X-Phone
X-Stale
X-SVT-ORM-RULES
X-SVT-ORM-VERSION
X-Origin-Date
X-Origin-Expires
X-Proxy-Cache-Status
X-Proxy-Upstream
X-Server-Group
X-Secret
X-Response-By
X-Request-Start
X-Sf
X-Release
X-Node-Id
X-No-Session
X-IN-WAF
X-Info
X-IN-SSL-APIGATEWAY
X-IN-APIGATEWAY
Content-Disposition
X-Hnp-Log
X-Instart-Info
X-Via-NSCOPI
X-MSEdge-Flight
X-Nginx-Cache-Key
X-MSEdge-Features
X-UnsetCookies
X-Location
X-Server-Cache
X-GeoIP-Country-Code
Ohc-Response-Time
Magicmarker
Web-Mar-Node
Who
SD-X-WS
Country-Code
SS
GW-Server
GMS-Ver
Origin
Heartbleed
Esi-Enabled
Countrycode
Server-Int
Kp-EeAlive
Lfy
Pramga
X-Dc
X-Be
X-ElasticPress-Search
MI-Cache-Age
HA-Servedtime
X-Platform
MI-API
MI-Cache
X-Wikidot-Backend
X-Wikidot-Static-Cache
X-Fastly-Cache
X-Eu-Site
HA-Host
HA-Geolon
X-Micro-Cache
HA-Geolat
X-Irp-Debug
X-Key
X-MI-In-Market
Proxy-Connection
HA-Georegion
Ha-Gx-Prefs
HA-Ipaddr
HA-Cloudapp
HA-Geocity
X-ARC
HA-Geocountry
REQUESTUUID
X-Origin-TTL
X-Developers
X-Cdn-Srv
Fastly-SSL
Apple-News-Services-Request-Url
X-Policy
Apple-News-Services-Host
X-CGP
Fastly-Soc-X-Request-Id
Decoy-Debug-TTL
CDCHOST
IsBot
X-Backend-State
Decoy-Debug-Key
Decoy-Debug-Status
X-ServiceProvider
X-Core-Mission
Apple-News-Services-Parsed-Url
X-Debug-Cache-Fetch
X-Debug-Cache-Expiry
X-Core-Value
HA-Urlpath
X-Debug-Cache-Store
X-Up
Apple-News-Services-Handled
X-SIPLIST1
True-Client-Country-4JS
ServerName
X-Debug-Log
X-Servername
X-Sn-Servicetimems
X-V
X-Debug-Cookies
WZWS-RAY
X-Cache-Info
X-NX-Host
On-Server
X-Request-URI
X-Page-Type
X-Cdn-Origin
X-Geo
Nel
PageSpeed
X-Refresh
RequestId
X-COUNTRY
X-Pjax-Url
X-CMS-Context
X-Org
X-DC
X-Via-Edge
X-Via-SSL
Cteonnt-Length
X-CACHE-AGE
X-NC
Cdn
Mime-Version
X-VarnPar1
X-VarnCache
Pragrma
X-PARISIEN-Cache-Rendered
X-Newrelic-Synthetics
X-Datadome
MIME-Version
UCS
X-Planisys-CDN-TTL
Locale
X-Planisys-CDN-Rules
X-LAGOON
Uber-Trace-Id
X-Servedbyhost
Memory
X-Urbn-Context-Path
Request-Country
X-Instance-Name
Request-EU
X-Urbn-Site-Id
X-Planisys-CDN-Cache
X-NWS-UUID-VERIFY
Host-ID
X-Req
NGX
Group
V-Cache
Cache-Provider
X-VCT
X-GeoIP-City
X-Wa
PICS-Label
X-FireWall-Port
X-Webkit-Csp
X-RateLimit-Limit-Second
X-Generation-Time
X-Varnish-Cache-Hits
X-RateLimit-Remaining-Second
X-Gdpr
X-CSRF-TOKEN
CF-IPCountry
X-HTML-Minification-Powered-By
X-BBXSRF
GeoIP-Country-Code
GeoIP-Latitude
HitInfo
X-Powered-By-ANYU
X-Aicache-OS
X-WR-MODIFICATION
X-Load-Cache
X-B3-Traceid
X-Ratelimit-Remaining
CDN
Server-Cache-Control
X-Cache-ASPX
X-Varnish-Authentication
X-DataStream-MidMile-RTT
X-DataStream-Origin-MEX-Latency
X-UPSTREAM-Address
X-Fastly-Country-Code
X-Cache-Miss-From
X-Sedo-Request-Id
X-StackifyID
Server-Surrogate-Control
Cf-Ipcountry
XServer
X-IPS-LoggedIn
X-Cache-Grace
Geoip-Latitude
X-VG-WebCache
GeoIp-Country-Code
X-EIG-Tracking-Id
CACHE
X-Check-Cacheable
X-TWH-CORRELATION-ID
X-Varnish-Url
X-ND-Cache
X-Source
X-Instart-Isnd
X-Sucuri-Cache
Pics-Label
X-Unique-Id
URI
X-FORWARDED-FOR
X-Fastly-Backend-Reqs
X-Varnish-Beresp-TTL
X-RCS-Backend
X-WA
X-HOST
X-From-Cache
Get-Access-Time
X-CDN-Pop-IP
X-CDN-Pop
X-Fastly-Cache-Hits
Proxy-Firewall
Is-Session-Tracking
X-APP
X-GEO
FSS-Cache
Powered
FSS-Proxy
X-Dynatrace
Processtime
X-Sentry-ID
X-GoCache-CacheStatus
X-NodeID
X-SRV
X-FW-Dynamic
X-Csrf-Token
X-ServedByHost
X-Skip-Cache
X-Server-W
X-Cluster-Node
WP-Super-Cache
X-ABtesting
X-VC-Cache
X-Flog
X-Hello
X-R9-Blue-Green-Version
X-GDPR
X-VServer
X-ID
DataCenter
X-Oss-Hash-Crc64ecma
X-Oss-Server-Time
X-Pc-Subdomain
X-Oss-Object-Type
X-CSRF-Token
X-Oss-Storage-Class
X-Oss-Request-Id
SN
X-RequestId
X-Nananana
Amp-Access-Control-Allow-Source-Origin
X-PF-Uncompressing
X-Fe
X-GZip
X-HS-Status
X-B3-SpanId
X-BE
X-TrackingId
X-Pf-Uncompressing
Hostname
X-Worker
X-PJAX-URL
TSSecure
Dynatrace
X-Swift-Error
X-Bug-Bounty
X-Gen-Id
Cache-Hits
X-Amzn-Remapped-Date
X-Amzn-Remapped-Connection
X-GZIP
X-Edge-Server
Cdn-Host
X-MServer
Cdn-Request-Time
X-Backend-TTL
X-PAGE-TYPE
ProcessTime
X-LiteSpeed-Cache-Control
X-Cache-Ttl
X-ORIG-AKA-EDGE
A
X-NGINX-Cache
Requestid
Serverid
X-ServerName
RequestUuid
X-Port
X-SB
X-VC
X-HostName
X-VarnPar2
X-LiteSpeed-Tag
X-Tb-Optimization-Total-Bytes-Saved
X-ORIG-AKA-COUNTRY-CODE
T-Server
X-RAMCache
X-Varnish-URL
X-Alicdn-Da-Ups-Status
DSUID
188prxHost
189phosttRef
219prxHost
352pxline
SID
X-SN
Xxline
409pxxline
355prline
286prxHost
178proxuri
225prxHost
Correlation-Id
Location
NnCoection
X-CS
X-Developed-By
HTTPS
X-Dw-Trace-Id
X-Akamai-ERRuleID
X-Akamai-ERPolicy
Xet-Cookie
X-Serial
Cneonction