Threat Level: green Handler on Duty: Didier Stevens

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
Last-Modified
Accept-Ranges
Pragma
X-Powered-By
CF-RAY
Link
X-XSS-Protection
ETag
Expect-CT
Via
Age
X-Cache
Content-Security-Policy
Access-Control-Allow-Origin
Content-Language
P3P
X-Cache-Hits
X-Amz-Cf-Pop
X-Amz-Cf-Id
Referrer-Policy
X-UA-Compatible
X-Served-By
X-FRAME-OPTIONS
X-Varnish
CF-Cache-Status
X-Timer
X-Request-Id
Access-Control-Allow-Headers
Access-Control-Allow-Methods
X-AspNet-Version
X-Download-Options
Access-Control-Allow-Credentials
X-Runtime
X-Drupal-Cache
X-Adblock-Key
Alt-Svc
X-Check
X-Cacheable
X-Ua-Compatible
X-Xss-Protection
X-Generator
Content-Security-Policy-Report-Only
X-Cache-Status
X-Permitted-Cross-Domain-Policies
X-AspNetMvc-Version
X-Request-ID
Status
Timing-Allow-Origin
X-Template
Content-Encoding
X-Language
X-DNS-Prefetch-Control
X-Content-Security-Policy
X-Iinfo
Upgrade
X-Buckets
Xkey
X-CDN
P3p
X-Kinja-Server-Push
X-Turbo-Charged-By
X-Via
Access-Control-Expose-Headers
Keep-Alive
Access-Control-Max-Age
X-AH-Environment
CF-Ray
X-Pass-Why
X-Drupal-Dynamic-Cache
X-Cache-Group
X-Age
X-Backend
X-Server
X-Amz-Id-2
X-Amz-Request-Id
X-Robots-Tag
X-Page-Speed
X-Pingback
X-Envoy-Upstream-Service-Time
X-Hacker
X-Server-Powered-By
X-Varnish-Cache
X-Nginx-Cache-Status
EagleId
X-Proxy-Cache
Grace
X-UA-Device
Request-Context
WPE-Backend
Cf-Railgun
X-Amz-Version-Id
X-Swift-CacheTime
X-Swift-SaveTime
Ali-Swift-Global-Savetime
X-LiteSpeed-Cache
X-WebKit-CSP
X-Device
X-Pantheon-Styx-Hostname
X-Styx-Req-Id
X-Server-Id
X-OneAgent-JS-Injection
Feature-Policy
X-Node
X-Ac
Content-Location
X-Rq
X-Host
EagleEye-TraceId
X-Cnection
Allow
Server-Timing
Report-To
X-Backend-Server
X-Response-Time
X-Cache-Lookup
X-Dns-Prefetch-Control
X-Application-Context
Request-Id
Surrogate-Control
X-Origin-Cache
X-Readtime
X-ORACLE-DMS-ECID
Pinterest-Generated-By
X-Cloud-Trace-Context
X-CST
X-Rack-Cache
X-Ruxit-JS-Agent
X-FTR-Request-ID
X-Vhost
NEL
X-HW
X-Clacks-Overhead
X-Country
X-DynaTrace
X-Country-Code
Rating
X-EdgeConnect-MidMile-RTT
X-EdgeConnect-Origin-MEX-Latency
X-Instart-Request-ID
X-Goog-Hash
X-Dispatcher
X-Mod-Pagespeed
X-Url
X-Origin-Upstream-Status
X-DataDome
Edge-Control
X-VARITI-CCR
X-Px
Accept-CH
X-TtlSet
X-PC
X-Vname
Service-Worker-Allowed
X-MS-InvokeApp
Verso
X-Server-Name
X-Cdn
X-DataStream-Cache-Status
X-Varnish-TTL
X-Cdn-Fetch
X-Kinja-Server
X-Use-Magma
X-Exp-Id
X-Exp-Variant
X-Kinja-Revision
X-Kinja
X-GoogleNews-Bot
X-Kinja-Build
X-Powered-By-Plesk
X-ESI
AR-ATIME
AR-PoweredBy
AR-CACHE
X-Recruiting
X-Vcap-Request-Id
X-GitHub-Request-Id
SPRequestGuid
MS-Author-Via
X-D2id
X-Amz-Server-Side-Encryption
AR-Request-ID
Public-Key-Pins
X-ORACLE-DMS-RID
Content-MD5
X-Version
X-Abt-Application-Version
X-Cached
RTSS
X-Mobile-Rewrite
Arc-Version
PB-PID
PB-RID
Nginx-Cache
DynaTrace
X-DynaTrace-JS-Agent
X-Ttl
Response
X-SharePointHealthScore
Display
X-Middleton-Display
X-Sol
X-Middleton-Response
Pinterest-Version
X-Upstream-Proxy
X-Pinterest-Rid
Ar-Sid
X-Navigation-Version
Charset
X-Goog-Metageneration
X-Goog-Generation
X-Goog-Stored-Content-Encoding
X-Goog-Stored-Content-Length
X-Oracle-Dms-Rid
X-Amz-Rid
Realpath
X-VCache
ServerID
X-Akam-SW-Version
X-Powered-CMS
X-B3-TraceId
X-Client-IP
X-FTR-Realm
X-FTR-Cache-Status
X-Country-Code-Real
X-FTR-DC
X-Forwarded-Proto
X-FTR-Backend
X-FTR-Backend-Server
X-FTR-Balancer
X-XRDS-Location
X-SRCache-Store-Status
X-FTR-Expires
X-SRCache-Fetch-Status
X-Shield-Request-Id
TCN
X-Trace
Fusion-Template-Id
Fusion-Component-Id
Fusion-Content-Source
Fusion-Content-Id
Fusion-Source
X-Amz-Meta-S3cmd-Attrs
X-Goog-Storage-Class
X-Ser
X-Debug
X-Dw-Request-Base-Id
SPIisLatency
SPRequestDuration
X-Id
X-TEC-API-ORIGIN
X-TEC-API-ROOT
X-TEC-API-VERSION
Alternate-Protocol
X-RateLimit-Remaining
X-Fastly-Request-ID
X-FTR-Cache-Host
Paypal-Debug-Id
X-Varnish-Age
X-Shard
X-Upstream
S
X-Hits
Fastcgi-Cache
X-Litespeed-Cache
X-TTL
X-Acc-Meta-Resource-Type
X-T
X-MSEdge-Ref
Host
X-Ezoic-Cdn
X-NF-Request-ID
Mrf-Cache-Status
X-B3-TraceId-Primal
MRF-Tech
X-Mrf-Section-Lastmod
X-Mrf-Item-Lastmod
MicrosoftSharePointTeamServices
Front-End-Https
X-Logged-In
X-Content-Digest
X-Frontend
Access-Control-Request-Method
X-DataStream-Origin-MEX-Latency
X-DataStream-MidMile-RTT
Arr-Disable-Session-Affinity
X-HS-Content-Id
X-Fastcgi-Cache
X-HS-Hub-Id
X-Server-ID
X-N
X-DIS-Request-ID
Server-Name
X-Amzn-Trace-Id
Accept-CH-Lifetime
X-Kinsta-Cache
X-IPLB-Instance
X-Pad
X-Forwarded-For
X-Srv
X-B3-Sampled
Tracecode
X-Content-Type
X-Request-Handler-Origin-Region
X-Microsite
X-Grace
FilterID
X-Accel-Expires
X-Debug-Info
TP-Cache
X-Type
TP-L2-Cache
X-LB-Cache
X-Rid
X-Node-Name
Surrogate-Key
X-Request-Received
X-Request-Processing-Time
Edge-Cache-Tag
X-AOL-HN
X-Via-JSL
X-Analytics
Backend-Timing
AMP-Access-Control-Allow-Source-Origin
X-Hostname
X-Iejgwucgyu
X-Page-Id
Pagespeed
Accept-Charset
X-Revision
X-Whom
X-Webkit-Csp
X-Content-Options
Healthy
X-Varnish-Backend
X-User-Agent
X-Content-Powered-By
X-Cache-Rule
X-Content-Security-Policy-Report-Only
X-Cache-2
X-Cache-Age
X-RateLimit-Limit
X-Amz-Replication-Status
X-Framework
X-Mobile
Host-Header
X-FB-Debug
X-GUploader-UploadID
X-PHP-Backend
X-Cache-Control
Powered
X-NWS-LOG-UUID
X-Varnish-Hostname
X-Tumblr-Pixel
X-App-Environment
X-Tumblr-Pixel-0
X-Tumblr-User
VIX-Pulpo-Upstream-Status
X-TT
VIX-Pulpo-Node
Source
X-Cluster
X-Request-Guid
Upgrade-Insecure-Requests
X-BCube-Filmed-By
X-Varnish-Grace
X-Instance
X-Cached-By
X-Correlation-Id
X-Akamai-Edgescape
Cache-Status
X-FastCGI-Cache
PageSpeed
Fastly-Restarts
X-Amzn-RequestId
X-Amz-Apigw-Id
X-Cache-Hit
Cleartype
X-AppVersion
X-Activity-Id
X-Az
Access-Control-Allow-Method
Accept-Ch-Lifetime
Retry-After
X-Drupal-Cache-Tags
X-Jobs
X-Zen-Fury
X-Platform-Server
Server-Info
X-Cache-TTL
X-Cache-Remote
X-Cache-Key
X-ATG-Version
X-Oneagent-Js-Injection
X-FW-Hash
X-FW-Serve
X-B3-Traceid
X-FW-Type
X-FW-Static
X-FW-Server
X-Cache-Action
X-CF-Powered-By
X-Forwarded-Host
Actual-Object-TTL
Cache-Tags
X-Geo-Country
X-Webkit-CSP
Server-Node
Payment
X-URL
X-Cache-Operation
X-Response-Served-From
X-WebKit-CSP-Report-Only
X-ProcessESI
X-F-Cache
X-RemovedCookies
X-Tumblr-Pixel-1
X-Content-Age
X-Yottaa-Optimizations
X-Varnish-Hits
X-Tumblr-Pixel-2
X-Storage
X-TX-ID
X-Yottaa-Metrics
Cache
X-Cacheable-TTL
X-UA-Device-Type
X-Handled-By
X-Guploader-Uploadid
X-Adobe-Content
X-TT-TIMESTAMP
X-Adobe-Loc
Cache-Tv-Group
X-Cache-NE
MS-CV
X-B
Filters
X-RequestSource
X-VG-WebCache
Eomportal-Instance
X-GeoIP
X-Real-IP
DC
Refresh
X-Redis-Cache
Cache-Tag
X-Daa-Tunnel
X-TA-CDN-Provider
X-Esi
From-Origin
X-Git-Hash
Frame-Options
Nel
X-Kong-Upstream-Latency
X-Accel-Buffering
X-Kong-Proxy-Latency
Viewport
X-Host-Name
X-Origin-Server
X-PressLabs-Stats
X-UUID
X-WA-Info
Webserver
X-XRDS-LOCATION
X-App-Server
X-Rendered-As
Datacenter
X-Mode
Xserver
X-Contextid
X-FW-Dynamic
X-Magnolia-Registration
X-Varnish-Server
X-Cache-TTL-Remaining
Country
X-FB-TRIP-ID
X-Locale
X-Cache-Enabled
X-Www-Served-By
X-Path-Route
X-Routing-Service
X-RN-RSRV
X-Signature
X-Zipkin-Id
X-B-Cache
Machine
X-Cache-Var-Map
Load-Balancing
X-Hl-Ver
X-ES-SERVER
X-Trace-Id
X-Proxied
X-Rule
Meta-Geo
X-Cache-Var
X-Vcache
NGX
X-Upstream-HT
GEO-INFO
ServedBy
Cache-Key
X-Backend-Name
X-ProxyCache-Key
X-ProxyCache-Status
X-Upstream-CT
X-Rocket-Nginx-Bypass
X-Region
X-Viewer-Country
X-Cache-Config
X-Web-Node
X-Goog-Meta-Goog-Reserved-File-Mtime
X-BYPASS-REASON
X-From
X-APP-VERSION
X-ServerID
X-NCache
X-Vgn-Hpd-Reason
X-Hosted-By
X-EIG-Tracking-Id
X-Via-Fastly
X-FC-Vary-Parameters
X-Environment-Context
X-Debug-Cache
X-OCL
X-Detected-As
Origin-Cache-Control
X-R9-Blue-Green-Version
X-Labrador-Cache-Channel
X-L-Path
X-JoinUs
X-PCL
X-Is-Bot
Vix-Hermes-Req-Id
Mn-Server-Ip
X-Cache-Host
Now
Uber-Trace-Id
X-Human
Origin-Edge-Control
X-EdgeConnect-Cache-Status
X-Upgrade-Enabled
X-Grey
X-LJ-Flow-ID
X-Loop
X-MP-GENERATED-AT
X-CCM
L5d-Success-Class
X-AWS-Id
X-Cache-Category-Id
X-Proto
X-Device-Type
X-RCS-CacheZone
X-VG-TLSProxy
X-VWS-Id
X-NGENIX-Cache
X-Pubstack
X-Varnish-IP
X-Varnish-Cache-Hits
X-S
X-Site-Version
X-TNCMS
X-Tumblr-Pixel-3
X-Hit
X-Generated
X-Xfnlog-Site
X-Cache-Backend
X-Origin-Response-Time
Selected-FE
X-Timing-Wait
Release
X-Access
We-Hiring
X-VCT
Mail-Subject
X-Section
DB-Nickname
Cteonnt-Length
DSUID
X-Proxy-Build
X-Akamai-Request-ID
OT-Force-Account-Verify
X-Ua
X-BACKEND-TTL
X-Drupal-Cache-Contexts
Cache-Name
X-Hp-Webp
X-Mobile-URL
X-Nginx-Cache
HitType
X-Tb
X-NewRelic-App-Data
X-Presslabs-Stats
X-Seen-By
Powered-By-ChinaCache
X-B3-Spanid
Rt-Fastcgi-Cache
X-Ratelimit-Reset
SRV
X-UnsetCookies
X-RTag
Ms-Operation-Id
X-Cache-Grace
X-Source
X-Generated-By
Served-By
S-Cnection
X-Format
Fastcgi-Useragent
X-Proxy
X-Birta-Cache-Post
X-Cache-Server
X-Cluster-Node
X-GRACE
X-Birta-Served
X-Geo
Hostname
X-OVcl-Cache
X-OVcl
X-PERF
X-ApacheServer
X-Time-Microsecs
X-Time
Azure-SiteName
Azure-RegionName
X-IP
Azure-SlotName
Azure-InstanceId
Azure-Version
TWC-GeoIP-Country
TWC-Privacy
X-CLOUD-TRACE-CONTEXT
X-Origin-Hint
Access-Control-Request-Headers
TWC-Locale-Group
TWC-GeoIP-LatLong
Webcakes-App-Version
Webcakes-App-Name
X-Akamai-Transformed
TWC-Connection-Speed
X-FW-Version
Webcakes-Region
TWC-Device-Class
Property-Id
X-Via-CDN
S-Rt
X-Microcachable
X-Origin
X-Alternate-Cache-Key
Decoy-Debug-Key
X-Sorting-Hat-PodId
X-Sorting-Hat-ShopId
Origin
X-Shopify-Stage
X-Endurance-Cache-Level
X-ShardId
X-ShopId
Decoy-Debug-TTL
X-UA
Decoy-Debug-Status
X-B3-Parentspanid
X-Request-Time
X-Status
X-Ruxit-Js-Agent
Ec-Rule-Version
Proxy-Connection
WZWS-RAY
IBM-Web2-Location
X-Origin-TTL
X-Nc
X-Origin-CC
Fly-Cache
X-Date
X-Irp-Debug
X-B-Cookie
X-Instart-Info
X-IN-APIGATEWAY
Cache-Cookie-Set-From
X-IN-WAF
X-Developer
X-D
X-Destination
X-Core-Mission
Apple-News-Services-Request-Url
Arc-Country
AsisCache
X-Connection-Hash
Apple-News-Services-Parsed-Url
Apple-News-Services-Host
X-Cdn-Origin
X-ARC
Apple-News-Services-Handled
X-Core-Value
Fly-Request-Id
Content-Style-Type
X-CF-Lambda-Fn
X-Cache-Bucket
X-G
X-Gen-Mode
BehaviorPad-Version
X-CF-Lambda-Version
X-Cluster-Name
Cache-Prefix
Cache-Cookie-Set-Lfrom
X-Block-Status
X-External-Request-Id
X-Hnp-Log
X-DPWN-IS-SECURE
Content-Script-Type
Cache-Cookie-Set-Idcheck
X-BBXSRF
X-Fastly-Cache
X-Application
X-Geo-Header
Cross-Origin-Window-Policy
X-A-Dam
X-Sn-Servicetimems
VivaBuild
X-SRCache-Key
X-SS-Set-Cookie
Viewtype
X-Swa-Ws
X-TIME
X-ServiceProvider
X-ScT
Www
X-Matched-Rule
X-Served-From
X-Server-Time
Web-Mar-Node
X-Thinkindot-L3
X-Transaction
Rt-Proxy-Cache
Thinkindot-Control
Thinkindot-CacheControl-Type
X-Worker
Thinkindot-CacheControl
Xc-Version
X-Vtex-Remote-Cache
X-Vtex-Processado-Em
X-Twitter-Response-Tags
X-Trv-Group
User-Cache-Control
X-VG-WebServer
X-Via-NSCOPI
X-S-Cookie
Rendered-Blocks
X-Phone
X-PAYTM-SRV-ID
X-A-Wwc
Meta-Geo-Continent
NGB
X-Processor
MD5-Digest
X-Accel-Expires-Debug
X-No-Session
Fastcgi-X-Cache-Version
X-NU-AKA-ACS-Version
X-Aed
X-Org
Node
Server-Int
X-A-Ccd
X-Request-UUID
X-A
X-Rojux
X-Rewrite-Enabled
X-Cache-Info
X-Region-Sid
X-A-Dcw
X-A-Dgt
X-ElasticPress-Search
X-App-Version
Fastly-SSL
X-Info
ServerName
X-Cache-Id
X-App-Name
X-Amz-Meta-Cache-Control
UCS
X-Bip
X-C
X-Cache-Expires
V-Age
True-Client-Country-4JS
X-Cache-FS-Status
X-Cache-Debug
X-Planisys-CDN-TTL
X-Request-URI
X-S-Maxage
X-Secret
X-Server-IP
X-Reqid
X-Reboot
X-Qloud-Router
X-Rebelmouse-Cache-Control
X-Rebelmouse-Surrogate-Control
X-SIPLIST1
X-Thanos
X-Wikidot-Backend
X-Wikidot-Static-Cache
GEO-REGION-INFO
X-Varnish-Action
X-Webstats-RespID
X-Via-SSL
X-Varnish-Cacheable
X-VC-Cache
X-Via-Edge
X-Protected-By
X-Planisys-CDN-Rules
X-Gannett-Site-Version
X-Generated-On
X-Generation-Time
X-GeoIP-City
X-Fetched-On
X-Distributor
X-Debug-Cookies
X-Debug-Log
X-Distil-CS
X-Hash
X-Instart-Isnd
X-Owner
X-Page-Type
X-PHP-Host
X-Planisys-CDN-Cache
X-NX-Host
X-Nginx-Cache-Key
X-Key
X-Level-Front-Cache
X-ND-Cache
X-Cdn-Srv
RNT-Time
Fastly-SWR
Request-Country
Request-EU
Request-Time
Gh-Request-Id
Version
Memcached
IsBot
Pramga
On-Server
Fastly-SIE
Backend
AKAMAI
Server-Host
X-Cdn-Forward
CDCHOST
REQUESTUUID
Resin-Trace
RNT-Machine
Esi-Enabled
Country-Code
X-FireWall-Port
Backend-Name
X-AssetVersion
X-Origin-Date
Fastly-Soc-X-Request-Id
Epwk-Cache
X-Epic-Correlation-Id
X-CDN-Cache
ProcessTime
FNAC-ModuleRouting
X-Variation
Wxu-Next-Commit
Cache-Hits
X-Eu-Site
X-Origin-Expires
X-WebServer
X-Device-Os
X-Refresh
X-Crawler
X-Developers
Adler-Geo
X-Dispatcher-Server
X-Cms-Context
X-Release
Content-Disposition
X-CGP
SD-X-WS
Ha-Gx-Prefs
Wxu-Next-Hostname
X-Li-Pop
X-Li-Fabric
X-Skip-Cache
X-SN
X-LI-UUID
X-Agile-Id
X-Location
X-Agile
X-Agile-Age
Platform
X-GeoIP-Country-Code
Is-Eu
X-Backend-State
X-TH-Server
HA-Ipaddr
Heartbleed
Wxu-Next-Region
HTTPS
X-Auto-Login
X-Real-Ip
X-CACHE-GROUP
Server-ID
X-WPE-Loopback-Upstream-Addr
X-HS-Cache-Config
X-Var-Ttl
X-Sf
X-Dc
Amp-Access-Control-Allow-Source-Origin
X-LAGOON
Who
X-HS-Combine-CSS
X-SVT-ORM-VERSION
X-SVT-ORM-RULES
Group
X-FPC
X-Policy
Mime-Version
Memory
Time
X-LI-Proto
X-IPS-LoggedIn
X-Load-Cache
X-AIR-PT
X-Servername
X-Micro-Cache
X-NC
Cache-Provider
Mobile-Detection-Method
X-Internal-Host
Cdn
X-Wix-Request-Id
SS
NtCoent-Length
Akamai-GRN
X-Parent-Response-Time
X-CDN-Forward
X-We-Are-Hiring
CF-IPCountry
X-Clientip
Countrycode
X-Be
X-Gdpr
X-CACHE-KEY
X-ZONE
X-GEO
Fastcgi-X-Cache
X-Edge-Location
X-DC
AR-SID
X-Datadome
X-NWS-UUID-VERIFY
X-Tb-Optimization-Total-Bytes-Saved
X-Cache-URL
RequestId
GW-Server
HostName
X-Logtrace-Id
X-Apm-App-Name
X-Apm-Svc-Key
Ajk
X-RateLimit-Remaining-Second
X-Apm-Inst-Hash
X-RateLimit-Limit-Second
X-Varnish-Beresp-Ttl
X-Unique-ID
Geoip-City
GeoIp-Country-Code
X-Servedbyhost
A
Geoip-Latitude
X-Ratelimit-Remaining
MIME-Version
X-SD-PageType
X-APP
PICS-Label
X-Zone
X-Dynatrace-Js-Agent
Ohc-File-Size
Ohc-Cache-HIT
Cf-Ipcountry
SN
X-UPSTREAM-Address
X-Vcl-Version
X-Ratelimit-Limit
X-Response-By
CF-Cached-On
X-LiteSpeed-Cache-Control
X-SERVER-NAME
WebServer
X-VCL-Version
X-HS-Status
X-NodeID
X-Varnish-Beresp-Grace
X-Varnish-Beresp-Status
Liferay-Portal
X-Amzn-Remapped-Connection
X-Server-Group
X-Fastly-Country-Code
X-Amzn-Remapped-Date
X-Web-Server
X-Varnish-Beresp-TTL
CDN
X-Pf-Uncompressing
LB
X-Newrelic-App-Data
X-ECACHE
X-Cache-Ttl
X-Hyper-Cache
X-Newrelic-Synthetics
Odigeo-Trace-Id
Proxy-Firewall
X-Aicache-OS
X-Lb-Id
Is-Session-Tracking
Get-Access-Time
X-Pjax-Url
X-Request-Start
X-ServedByHost
GeoIP-Country-Code
GeoIP-City
X-Fstrz
XServer
GeoIP-Latitude
X-FORWARDED-FOR
X-Up
Section-Io-Cache
X-Fastly-Backend-Reqs
X-RequestId
X-B3-SpanId
X-SRV
X-Check-Cacheable
Requestid
X-Dispatch
X-Amzn-Remapped-Content-Length
X-CSRF-TOKEN
X-Method
X-COUNTRY
X-Server-W
Accept-Ch
X-MServer
Cdn-Host
X-Backend-Url
X-Wa
X-WA
X-MSEdge-Flight
X-MSEdge-Features
X-Contensis-Viewer-Groups
Server-Surrogate-Control
X-Cache-ASPX
X-Oss-Hash-Crc64ecma
X-Backend-Host
X-Varnish-Authentication
Server-Cache-Control
Cdn-Request-Time
X-Oss-Storage-Class
X-Oss-Server-Time
PFcat
X-Oss-Object-Type
X-Oss-Request-Id
X-Edge-Server
X-Correlation-ID
X-Nananana
X-Akamai-Request-ID2
X-VServer
X-LB-ID
X-CS
X-Debug-Cache-Expiry
X-LiteSpeed-Tag
X-PF-Uncompressing
X-F5-Cache
Accept-Language
X-Debug-Cache-Fetch
X-Gateway-Skip-Cache
X-Gateway-Cache-Key
X-Gateway-Cache-Status
X-Debug-Cache-Store
X-User
X-Backend-TTL
X-Generated-In
Host-ID
Sid
X-WR-MODIFICATION
Pagetype
Powered-By
Locale
X-Cache-Miss-From
Xxline
X-Compress-Hint
X-Urbn-Site-Id
409pxxline
TTL
Correlation-Id
X-EC-Lua
X-Urbn-Context-Path
355prline
X-PJAX-URL
219prxHost
X-Svr
X-Sedo-Request-Id
225prxHost
352pxline
286prxHost
178proxuri
189phosttRef
Lb
188prxHost
Pragrma
X-Got-Non-Ke-Cookie
X-ServerName
X-BC
X-HTML-Minification-Powered-By
X-Dw-Trace-Id
X-ABtesting
X-NGINX-Cache
CACHE
X-Flog
X-Exp-Se
Cneonction
X-Hello
X-Erf-Bev-Bev-Is-Generated
X-Erf-Bev-Bev
Dnion-Transfer-Encoding
Lfy
X-HTML-Edge-Cache
Warning
X-CUA
X-Powered-By-Defense
X-Azure-Ref-OriginShield
X-Azure-Ref
URI
X-Platform
X-RateLimit-Reset
X-Fpc
X-Swift-Error
X-Request-Url
X-Requestid
X-Fastly-Cache-Hits
X-Li-Proto
X-Html-Edge-Cache
W
X-Edge
X-CSRF-Token
Ttl
User-Agent
L
X-Cache-Tag
X-Unique-Id
Kp-EeAlive
X-Bc
Https
WP-Super-Cache
X-Akamai-SSL-Client-Sid
Ohc-Response-Time
X-Bug-Bounty
X-WADP-Cache
FSS-Cache
X-From-Cache
X-MCACHE
X-MID
Pics-Label
X-Request-URL
X-Mid
FSS-Proxy
X-App
X-GDPR
X-Gen-Id
X-Sucuri-Cache
X-TrackingId
V-Cache
X-Cache-Detail
X-Sucuri-ID
Server-Id
X-Alicdn-Da-Ups-Status
X-Clara-WADP