Threat Level: green Handler on Duty: Brad Duncan

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