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