Threat Level: green Handler on Duty: Russell Eubanks

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
Pragma
Last-Modified
Accept-Ranges
Strict-Transport-Security
X-Content-Type-Options
X-Powered-By
CF-RAY
ETag
Link
Expect-CT
Via
X-XSS-Protection
X-Cache
Age
Content-Security-Policy
Access-Control-Allow-Origin
Content-Language
X-UA-Compatible
P3P
X-Cache-Hits
X-Served-By
X-Varnish
X-Amz-Cf-Id
X-Xss-Protection
Referrer-Policy
X-Request-Id
X-Timer
X-AspNet-Version
CF-Cache-Status
Access-Control-Allow-Headers
Access-Control-Allow-Methods
X-Runtime
Access-Control-Allow-Credentials
X-Download-Options
X-Drupal-Cache
X-Cacheable
Content-Security-Policy-Report-Only
X-Generator
Alt-Svc
Status
X-AspNetMvc-Version
X-Cache-Status
X-DNS-Prefetch-Control
X-Check
P3p
X-Iinfo
X-FRAME-OPTIONS
X-Adblock-Key
X-CDN
Timing-Allow-Origin
X-Content-Security-Policy
X-Permitted-Cross-Domain-Policies
X-Turbo-Charged-By
Content-Encoding
X-Template
Keep-Alive
X-Language
X-Type
X-AH-Environment
X-Request-ID
X-Via
X-Cache-Group
X-Backend
WPE-Backend
X-Pass-Why
X-Buckets
X-Age
X-Server
X-Nginx-Cache-Status
Access-Control-Max-Age
X-Server-Powered-By
X-Pingback
Xkey
X-Varnish-Cache
Grace
X-Drupal-Dynamic-Cache
Upgrade
Access-Control-Expose-Headers
X-Hacker
X-UA-Device
X-Amz-Request-Id
Cf-Railgun
X-Page-Speed
X-Amz-Id-2
X-Proxy-Cache
X-Robots-Tag
X-Envoy-Upstream-Service-Time
EagleId
Request-Context
X-Node
X-LiteSpeed-Cache
X-Ac
X-Device
X-Swift-SaveTime
X-Swift-CacheTime
X-Cnection
X-Host
Ali-Swift-Global-Savetime
Content-Location
X-Amz-Version-Id
X-Pantheon-Styx-Hostname
X-Styx-Req-Id
X-WebKit-CSP
Surrogate-Control
X-Backend-Server
X-Server-Id
X-OneAgent-JS-Injection
X-Cache-Lookup
X-Rack-Cache
X-Response-Time
X-Px
X-Instart-Request-ID
Request-Id
Server-Timing
X-Readtime
X-CST
X-Rq
X-Clacks-Overhead
X-Url
X-HeyJason
Pinterest-Generated-By
Permitted-Cross-Domain-Policies
X-Do-Not-Hack
X-Ua-Compatible
EagleEye-TraceId
Edge-Control
X-Application-Context
X-Country
X-Cloud-Trace-Context
X-EdgeConnect-MidMile-RTT
X-EdgeConnect-Origin-MEX-Latency
X-MS-InvokeApp
Report-To
X-Server-Name
Charset
X-DynaTrace-JS-Agent
SPRequestGuid
X-ESI
X-Country-Code
Allow
X-DataDome
X-SharePointHealthScore
X-Ruxit-JS-Agent
Rating
X-Varnish-TTL
X-TtlSet
X-PC
X-Vname
X-Cached
X-Powered-CMS
X-Powered-By-Plesk
X-DynaTrace
X-Recruiting
X-CF-Powered-By
X-FTR-Request-ID
X-Vhost
NEL
X-D2id
X-TTL
Public-Key-Pins
X-Cdn-Fetch
X-Kinja
X-Kinja-Build
X-Kinja-Revision
X-Kinja-Server
X-Exp-Variant
X-Geo-Segment
X-Exp-Id
X-Pinterest-Rid
Pinterest-Version
X-Upstream-Env
X-F-Cache
X-Version
X-T
Cartoon
X-GoogleNews-Bot
X-VARITI-CCR
X-ORACLE-DMS-RID
X-ORACLE-DMS-ECID
X-N
SPRequestDuration
X-Dw-Request-Base-Id
SPIisLatency
X-Mod-Pagespeed
X-Abt-Application-Version
Content-MD5
RTSS
MS-Author-Via
Verso
Nginx-Cache
Feature-Policy
X-Ttl
X-GitHub-Request-Id
X-Dispatcher
X-Server-ID
X-Goog-Hash
X-Navigation-Version
X-SRCache-Fetch-Status
X-SRCache-Store-Status
MicrosoftSharePointTeamServices
X-Amz-Rid
X-Client-IP
Realpath
X-Hits
AR-PoweredBy
X-Forwarded-Proto
AR-CACHE
AR-ATIME
X-Cdn
X-Shield-Request-Id
X-Origin-Cache
X-Trace
Paypal-Debug-Id
DynaTrace
X-TEC-API-ORIGIN
X-TEC-API-VERSION
X-TEC-API-ROOT
X-Content-Options
X-Id
X-Grace
X-Content-Digest
X-Zen-Fury
X-Kinsta-Cache
TCN
X-B
Arr-Disable-Session-Affinity
Alternate-Protocol
AR-SID
X-Varnish-Age
X-Cache-Key
X-Sol
X-Upstream
X-Mrf-Section-Lastmod
Mrf-Cache-Status
X-Mrf-Item-Lastmod
MRF-Tech
Fastcgi-Cache
Access-Control-Request-Method
X-Acc-Meta-Resource-Type
Display
X-Middleton-Display
X-Ser
X-FastCGI-Cache
X-Pad
X-Fastly-Request-ID
PB-PID
X-Mobile-Rewrite
PB-RID
X-NF-Request-ID
X-Nf-Srv-Version
X-Via-JSL
X-Middleton-Response
Response
X-User-Agent
X-DIS-Request-ID
X-Vcap-Request-Id
X-Forwarded-For
X-MSEdge-Ref
Eomportal-Instance
Front-End-Https
Rt-Fastcgi-Cache
X-Cache-Rule
Pagespeed
X-PressLabs-Stats
X-Frontend
Arc-Version
X-Cache-Hit
X-SS-Set-Cookie
X-Logged-In
X-IPLB-Instance
X-Goog-Storage-Class
X-Goog-Stored-Content-Encoding
X-Goog-Generation
X-Goog-Metageneration
X-Goog-Stored-Content-Length
X-VCache
Server-Name
X-XRDS-LOCATION
Host
X-Hostname
X-Whom
Surrogate-Key
S
Tracecode
X-Country-Code-Real
X-FTR-Balancer
X-FTR-Cache-Status
X-FTR-Expires
X-FTR-Backend-Server
X-FTR-Realm
X-FTR-Backend
X-FTR-DC
X-Request-Received
X-Request-Processing-Time
X-Analytics
Backend-Timing
X-Litespeed-Cache
Cache-Status
X-Debug
X-HS-Content-Id
X-Magnolia-Registration
X-Instance
X-AOL-HN
TP-Cache
TP-L2-Cache
Refresh
X-Rid
X-Contextid
X-AppVersion
X-Proxied
FilterID
X-Az
X-Activity-Id
ServerID
X-Srv
X-B3-Traceid
X-HW
Public-Key-Pins-Report-Only
X-Wix-Server-Artifact-Id
X-XRDS-Location
HitInfo
HitType
Server-Info
X-UUID
Cleartype
X-WPE-Loopback-Upstream-Addr
X-APP-VERSION
X-FTR-Cache-Host
AMP-Access-Control-Allow-Source-Origin
X-Content-Security-Policy-Report-Only
Liferay-Portal
Service-Worker-Allowed
X-Varnish-Server
X-Mobile
X-Varnish-Backend
X-Cache-Control
Served-By
X-Newrelic-App-Data
Accept-Charset
X-Origin-Upstream-Status
X-Revision
X-Cache-Server
X-TT
Source
X-Amzn-Trace-Id
X-Hail-Hydra
X-App-Environment
X-PC-AppVer
X-Geo-Country
X-PC-Key
X-BCube-Filmed-By
X-Tumblr-Pixel
X-Tumblr-User
X-Tumblr-Pixel-0
Host-Header
X-Request-Guid
X-PC-Hit
X-PHP-Backend
Server-Node
Retry-After
X-Cache-2
MS-CV
X-Device-Type
X-Page-Id
X-Framework
X-Handled-By
X-Varnish-Hostname
X-Cache-Operation
X-Cache-Config
X-Correlation-Id
DC
X-Signature
X-B-Cache
X-FB-Debug
X-RateLimit-Remaining
X-Origin-Server
X-ATG-Version
X-Origin
S-Cnection
Edge-Cache-Tag
X-HS-Cache-Config
Powered-By-ChinaCache
Viewport
X-NWS-LOG-UUID
Fastly-Restarts
X-Cache-Action
X-TT-TIMESTAMP
X-Debug-Info
X-Ocache
X-Sucuri-ID
X-NewRelic-App-Data
X-PC-Date
X-PC-Host
Actual-Object-TTL
X-B3-Sampled
X-Hyper-Cache
X-Cached-By
X-WA-Info
NGB
X-Shield-Cache-Expires
X-ADI-VCache
X-Akam-SW-Version
X-Microcachable
X-Content-Powered-By
X-LB-Cache
X-Drupal-Cache-Tags
X-Accel-Expires
Upgrade-Insecure-Requests
X-Cache-NE
AsisCache
SRV
X-Generated-By
Filters
X-URL
X-App-Server
ServedBy
X-Distil-CS
X-Tumblr-Pixel-1
X-Cache-Age
X-Tumblr-Pixel-2
X-WebKit-CSP-Report-Only
X-Yottaa-Metrics
X-Yottaa-Optimizations
X-FW-Server
X-RTag
X-Internal-Host
X-FW-Static
X-FW-Type
X-RequestSource
X-Cacheable-TTL
X-FW-Hash
X-Locale
X-FW-Serve
X-Cluster
Content-Style-Type
X-GeoIP
Content-Script-Type
X-Wix-Request-Id
X-Seen-By
X-S
X-Accel-Buffering
X-Jobs
X-Node-Name
X-TX-ID
X-Geo
Cache
X-Amz-Server-Side-Encryption
X-Varnish-Hits
X-ServedBy
From-Origin
Datacenter
X-GUploader-UploadID
X-Varnish-Grace
X-UA
X-Varnish-Cache-Hits
X-Dns-Prefetch-Control
X-RateLimit-Limit
X-Adobe-Loc
X-CLOUD-TRACE-CONTEXT
X-Platform-Server
X-Varnish-IP
X-Akamai-Edgescape
X-Adobe-Content
X-Sucuri-Cache
X-GZip
X-CDN-Forward
X-Vg-Webcache
X-HS-Combine-CSS
X-Cache-TTL-Remaining
X-Webkit-Csp
X-Edge-Cache-Key
Cache-Tag
X-Edge-Cache
X-Storage
X-Real-IP
X-Akamai-Transformed
X-Mode
X-Cache-Remote
X-Region
X-Drupal-Cache-Contexts
X-Oracle-Dms-Rid
X-Oracle-Dms-Ecid
X-Distributor
X-Source
HostName
X-Amz-Replication-Status
X-Kinja-Server-Push
X-Webkit-CSP
X-Proxy
X-Cache-Var
X-RemovedCookies
X-Path-Route
X-MP-GENERATED-AT
X-Rendered-As
X-Cache-Var-Map
X-RN-RSRV
Meta-Geo
X-Is-Bot
X-ProcessESI
X-Detected-As
Machine
Load-Balancing
ServerName
X-Amzn-RequestId
X-Amz-Apigw-Id
X-NCache
Fastly-SSL
X-CDN-Cache
X-Cache-Category-Id
GEO-INFO
X-FC-Vary-Parameters
X-Agile
Cache-Key
X-Akamai-Request-ID
X-Web-Node
X-BB-IP
X-Agile-Age
X-Agile-Id
X-Webstats-RespID
X-OCL
X-Grey
X-Viewer-Country
X-PCL
X-Backend-Name
X-TWH-CORRELATION-ID
Ohc-File-Size
X-Upgrade-Enabled
X-Time-Microsecs
Mn-Server-Ip
X-Daa-Tunnel
X-Varnish-Cacheable
X-Via-Fastly
Backend
X-ServerID
X-Human
X-Proto
X-Instance-Name
X-EIG-Tracking-Id
L5d-Success-Class
S-Rt
X-Cluster-Node
X-Debug-Cache
X-Edge-Location
X-BYPASS-REASON
Azure-InstanceId
Azure-SiteName
X-ProxyCache-Key
X-ProxyCache-Status
X-ApacheServer
X-OVcl
X-PERF
X-OVcl-Cache
X-Pubstack
X-Original-Request
Azure-SlotName
Now
Azure-RegionName
X-NodeID
Azure-Version
X-Amz-Meta-Surrogate-Control
X-Access
TWC-Privacy
TWC-Device-Class
TWC-Connection-Speed
X-VWS-Id
Selected-FE
X-Port
TWC-GeoIP-LatLong
Webcakes-App-Version
Webcakes-App-Name
User-Cache-Control
TWC-Locale-Group
Webcakes-Region
X-CCM-LastModified
X-LJ-Flow-ID
X-Section
X-IP
X-Meta-Tbi-Cache-Vertical
X-Routing-Service
X-Proxy-Build
X-Origin-Hint
X-Optimization
X-Generation-Time
X-Format
X-Birta-Served
X-Birta-Cache-Post
X-AWS-Id
X-Cache-HT
X-CCM
X-Site-Version
X-SplitTest
X-Timing-Wait
X-App-Name
TWC-GeoIP-Country
Countrycode
DB-Nickname
Access-Control-Allow-Method
LB
Cache-Name
Healthy
X-Dc
X-Hosted-By
User-Agent
X-Zipkin-Id
X-JoinUs
X-Xfnlog-Site
X-Www-Served-By
Property-Id
X-TNCMS
X-Labrador-Cache-Channel
Cache-Hits
X-Loop
Country
Fastcgi-Useragent
X-Guploader-Uploadid
Payment
X-Tb
X-Generated
RATING
X-Tumblr-Pixel-3
X-Request-Time
Ec-Rule-Version
X-Surge-Debug
X-Origin-CC
X-Newrelic-Synthetics
X-Ezoic-Cdn
X-Time
X-TA-CDN-Provider
X-Hit
X-Unique-ID
X-Cache-Bucket
X-Nc
X-Cache-Enabled
WP-Super-Cache
X-Oneagent-Js-Injection
X-DataStream-Cache-Status
X-Feature
X-B3-Spanid
X-Real-Ip
X-Render-Type
Origin-Cache-Control
Origin-Edge-Control
X-Nginx-Cache
X-UA-Device-Type
X-Correlation-ID
NODE
Xserver
X-Environment-Context
X-Varnish-Beresp-Status
X-L-Path
X-Varnish-Beresp-Grace
RequestId
X-B3-TraceId
X-Esi
X-NU-AKA-ACS-Version
X-Skip-Cache
X-Content-Type
X-Be
X-NGENIX-Cache
X-Status
X-WR-MODIFICATION
X-Servedby
Access-Control-Request-Headers
Apicache-Version
Apicache-Store
X-EdgeConnect-Cache-Status
X-HS-Hub-Id
Ws
X-Cache-Backend
X-ElasticPress-Search
Warning
X-Vgn-Hpd-Reason
BehaviorPad-Version
X-From
X-G
Apple-News-Services-Request-Url
Apple-News-Services-Host
Apple-News-Services-Parsed-Url
Cache-Prefix
X-Fastly-Cache
X-Destination
Fastly-Soc-X-Request-Id
Fastcgi-X-Cache-Version
Fastcgi-X-Cache
X-Died
X-Developer
AKAMAI
Ajk
Xc-Version
X-IN-WAF
X-Logtrace-Id
X-ND-Cache
X-Wix-Route-ID
X-No-Session
X-IN-SSL-APIGATEWAY
X-GoCache-CacheStatus
X-Haproxy-Hostname
X-Generated-In
IBM-Web2-Location
X-Haproxy-Ip
X-IN-APIGATEWAY
Fly-Cache
Fly-Request-Id
Resin-Trace
X-A-Dam
X-A-Dcw
X-A-Dgt
X-Accel-Expires-Debug
X-A-Wwc
X-A-Ccd
Sta2Tusw
Viewtype
VivaBuild
Www
X-A
T-Server
X-Application
X-ARC
X-CF-Lambda-Version
X-CF-Lambda-Fn
X-Connection-Hash
GMS-Ver
X-Date
X-D
Host-ID
X-BBXSRF
Meta-Geo-Continent
X-B-Cookie
X-BB-ID
Memcached
MD5-Digest
X-We-Are-Hiring
Apple-News-Services-Handled
X-SVT-ORM-VERSION
X-Server-Time
X-VG-WebServer
X-Via-CDN
X-Via-Edge
X-PAYTM-SRV-ID
X-Planisys-CDN-TTL
X-SVT-ORM-RULES
X-SRCache-Key
X-Upstream-HT
X-Upstream-CT
X-Planisys-CDN-Cache
X-Planisys-CDN-Rules
X-User
X-Server-By
X-S-Cookie
X-Rojux
X-Public
Time
X-Rewrite-Enabled
X-Trv-Group
X-Transaction
X-Twitter-Response-Tags
X-Region-Sid
Webserver
X-Cache-Ttl
X-Cache-Id
X-Core-Value
X-Debug-Cookies
Fastly-SIE
X-Cdn-Origin
Fastly-SWR
X-Trace-Id
X-CS
X-Rebelmouse-Cache-Control
Server-Int
Request-Time
Rendered-Blocks
Release
X-Rocket-Nginx-Bypass
X-Request-URI
V-Age
UCS
Uber-Trace-Id
X-ScT
X-Amz-Meta-Cache-Control
X-SIPLIST1
X-Sn-Servicetimems
IsBot
X-Cache-Expires
X-CACHE-AGE
NGX
Origin
X-Auto-Login
X-Rebelmouse-Surrogate-Control
X-Cache-Host
X-Debug-Log
X-Wikidot-Static-Cache
X-NX-Host
X-Up
X-Via-NSCOPI
X-Phone
X-F5-Cache
X-Hl-Ver
X-Forwarded-Host
X-Var-Ttl
X-DPWN-IS-SECURE
X-Fstrz
X-Wikidot-Backend
X-Croise-Owner
X-C
X-Server-IP
X-Amz-Meta-S3cmd-Attrs
X-Actual-URL
X-UE-Client-Country
X-Backend-Host
X-Backend-TTL
X-Backend-Url
X-Backend-State
X-Varnish-HitMiss
X-HCF
X-Hnp-Log
X-Worker
Who
X-Returned-From-PostProcessResponse
X-Node-Id
X-WebServer
X-Passed-To
X-Returned-From-BeforeDispatch
X-Returned-From-DLL
X-Passed-To-BeforeDispatch
X-Passed-To-DLL
X-Servername
X-Passed-To-PostProcessResponse
X-Info
X-Location
X-Matched-Rule
X-Reboot
X-MI-In-Market
X-Server-Group
X-Bip
X-FireWall-Port
X-Thanos
X-Thinkindot-L3
X-Crawler
Web-Mar-Node
X-Frame-Option
X-Content-Age
X-UnsetCookies
X-VServer
X-TT-LOGID
X-Platform
X-Device-Os
X-Edge-IP
X-Env
X-Eu-Site
X-Epic-Correlation-Id
X-Clientip
X-Ckpd-Fst-Backend
X-Bug-Bounty
X-Cache-CFC
X-Cache-Control-Set-By
X-GeoIP-City
X-Block-Status
X-RCS-CacheZone
X-Developers
X-Cache-Debug
X-V
X-Stale
X-CGP
X-Cdn-Srv
X-Cache-Time
X-Gen-Mode
X-Returned-From
X-GeoIP-Country-Code
Server-Host
Httpd-Identifier
GW-Server
Heartbleed
HTTPS
OT-Force-Account-Verify
MI-Cache-Age
HA-Geolat
Fastly-Backend-Name
HA-Urlpath
HA-Servedtime
HA-Georegion
HA-Geolon
HA-Geocountry
Ha-Gx-Prefs
HA-Host
HA-Ipaddr
HA-Cloudapp
HA-Geocity
Odigeo-Trace-Id
MI-Cache
Proxy-Connection
Decoy-Debug-Key
Decoy-Debug-Status
Pramga
Content-Disposition
Cache-Cookie-Set-Lfrom
Thinkindot-Control
Thinkindot-CacheControl-Type
CDCHOST
Thinkindot-CacheControl
Cache-Cookie-Set-Idcheck
Powered-By
Backend-Name
Esi-Enabled
Cache-Cookie-Set-From
Ohc-Response-Time
Decoy-Debug-TTL
Cneonction
Mime-Version
Adler-Geo
X-Sorting-Hat-PodId-Cached
X-Shopify-Stage
X-Sorting-Hat-FeatureSet
X-Sorting-Hat-PodId
X-Sorting-Hat-PrivacyLevel
X-Alternate-Cache-Key
X-Cache-Srv
X-Core-Mission
X-Fetched-On
X-Hash
PFcat
Country-Code
X-TIME
X-Varnish-Id
X-ServiceProvider
X-Served-From
X-Release
X-Response-By
Server-ID
X-Sorting-Hat-Section
X-Origin-Date
X-ShardId
Request-EU
Request-Country
X-Ver
X-MSEdge-Flight
X-MSEdge-Features
X-ShopId
X-Origin-Expires
Platform
X-Sorting-Hat-ShopId-Cached
Is-Eu
REQUESTUUID
Kp-EeAlive
On-Server
X-Dispatcher-Server
X-Sorting-Hat-ShopId
Pragrma
NnCoection
X-Fastcgi-Cache
X-S-Maxage
X-Refresh
NtCoent-Length
X-Svr
Cache-Provider
X-Cache-URL
X-Varnish-Beresp-Ttl
X-P-T
X-Secret
X-Page-Type
X-StackifyID
X-Gannett-Site-Version
Drupal-Pagecache-Memcache
MI-API
X-Pjax-Url
X-Req
Dnion-Transfer-Encoding
X-Cache-ASPX
Processtime
X-Pf-Uncompressing
X-Amz-Meta-S3b-Last-Modified
X-Oss-Server-Time
X-Origin-TTL
X-Oss-Request-Id
X-Oss-Storage-Class
X-Oss-Hash-Crc64ecma
X-Oss-Object-Type
X-Amz-Meta-Sha256
Accept-Ch
Version
Ar-Sid
X-EC-Security-Audit
Memory
X-App-Version
SN
WebServer
X-Wix-Petri-Ex
X-Csrf-Token
Pagetype
X-RateLimit-Remaining-Second
Geoip-City
X-RateLimit-Limit-Second
Geoip-Latitude
X-Varnish-Url
X-Kong-Proxy-Latency
X-CSRF-Token
X-LiteSpeed-Cache-Control
GeoIp-Country-Code
X-Kong-Upstream-Latency
X-Ruxit-Js-Agent
Dont-Set-Cookie
X-Rule
Cteonnt-Length
X-Yottaa-Sig
X-Cache-Handler
FSS-Proxy
PageType
FSS-Cache
X-From-Cache
Arc-Country
X-NC
X-Varnish-Beresp-TTL
Cdn
X-Ua
Brightspot-Id
X-Irp-Debug
PICS-Label
X-Load-Cache
X-Request-Start
X-LB-Node
X-LB-CacheStatus
CF-IPCountry
X-Ratelimit-Remaining
X-Redis-Cache
COMMERCE-SERVER-SOFTWARE
Sid
Edgecast
X-ROOTCache
X-SERVER-NAME
X-COUNTRY
X-Sf
MIME-Version
X-Fastly-Backend-Reqs
X-Cdn-Forward
X-Request-UUID
PROCESSING-IP
If-Modified-Since
X-GRACE
X-Endurance-Cache-Level
BORDER-IP
X-DC
RNT-Machine
RNT-Time
X-ServedByHost
X-Tid
X-GDPR
X-Ratelimit-Limit
X-Varnish-Action
X-Requestid
X-RequestId
XServer
X-Servedbyhost
X-TId
X-Layer
X-Nananana
X-Rocket-Nginx-Serving-Static
X-B3-SpanId
Powered
X-Resolver-IP
PageSpeed
Cache-Tags
Frame-Options
X-BE
Pics-Label
Cf-Ipcountry
X-Cache-TTL
NodeID
Amp-Access-Control-Allow-Source-Origin
X-Fastly-Cache-Hits
X-Atg-Version
CACHE
X-DataStream-MidMile-RTT
X-DataStream-Origin-MEX-Latency
CDN
Node
X-Tec-Api-Version
X-Tec-Api-Origin
X-Tec-Api-Root
X-Key
X-Gdpr
X-Owner
Mail-Subject
We-Hiring
GeoIP-City
X-Shard
X-UPSTREAM-Address
X-HTML-Minification-Powered-By
GeoIP-Latitude
X-Dynatrace-Js-Agent
X-Varnish-Ttl
X-VG-WebCache
GeoIP-Country-Code
X-Server-W
X-Dynatrace
X-Use-Magma
Lfy
Hostname
Web-Mar-Region
X-Varnish-URL
X-Sentry-ID
X-Ms-Request-Id
X-Ms-Version
X-GZIP
X-Ms-Blob-Type
X-Ms-Lease-Status
ProcessTime
WZWS-RAY
X-Flog
X-Aicache-OS
X-Alicdn-Da-Ups-Status
X-ABtesting
Accept-CH
Dynatrace
X-VG-TLSProxy
X-PF-Uncompressing
True-Client-Country-4JS
URI
X-Powered-By-ANYU
FastCGI-Cache
X-GEO
DataCenter
Xet-Cookie
X-Dw-Trace-Id
X-NGINX-Cache
X-Edge-Server
Get-Access-Time
Cdn-Request-Time
X-PJAX-URL
X-NWS-UUID-VERIFY
Cdn-Host
X-PAGE-TYPE
X-Oa-Upstreams
X-CDN-Pop
Max-Age
X-Cookie
X-CDN-Pop-IP
X-Check-Cacheable
X-Policy
X-Swa-Ws
Is-Session-Tracking
X-Front
X-Unique-Id
Requestid
X-Org
Rt-Proxy-Cache
X-Ms-Lease-State
X-Trv-Request-Id
GEO-REGION-INFO
X-Varnish-ID
RequestUuid
X-Mem
V-Cache
Group
X-Akamai-ERRuleID
X-Hello
CF-Cached-On
X-Akamai-ERPolicy
X-Cache-FS-Status
X-VID
N-Cache
X-Varnish-Info
X-VC
X-SB
X-Qnm-Cache
X-M-Log
X-M-Reqid
X-RSL
X-RPM
X-Proxy-Server
X-Litespeed-Cache-Control
SID
X-Powered-By-Defense
X-Fe
X-RAMCache
X-Remote-IP
X-Litespeed-Tag
X-DB
X-Acquia-Application-UUID
WS
X-Acquia-Application-Trace
X-DW
X-DI
X-DSS
X-RPS