Threat Level: green Handler on Duty: Russell Eubanks

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
Content-Type
Date
Server
Connection
Set-Cookie
Cache-Control
X-Powered-By
Vary
Expires
Content-Length
Last-Modified
Pragma
Accept-Ranges
ETag
Link
X-Pingback
X-Content-Type-Options
P3P
X-AspNet-Version
X-XSS-Protection
X-Frame-Options
X-Cache
Content-Language
Age
CF-RAY
X-Adblock-Key
X-UA-Compatible
Via
Keep-Alive
X-Template
X-Check
X-Language
Strict-Transport-Security
X-Buckets
X-Varnish
Access-Control-Allow-Origin
P3p
X-Cacheable
Content-Location
X-Generator
X-Drupal-Cache
Status
X-AspNetMvc-Version
X-Hacker
X-Ac
X-Request-Id
X-Powered-By-Plesk
MS-Author-Via
X-Runtime
X-Type
X-Pass-Why
X-Cache-Group
WP-Super-Cache
X-Powered-CMS
Ngpass-Ngall
Access-Control-Allow-Credentials
X-Xss-Protection
X-Cache-Hits
Host-Header
X-Iinfo
X-Pad
X-Mod-Pagespeed
X-UA-Device
Content-Security-Policy-Report-Only
X-Logged-In
X-Via
X-Backend
X-Alternate-Cache-Key
X-ShardId
X-Dc
X-ShopId
Access-Control-Allow-Headers
X-Server
Access-Control-Allow-Methods
X-Host
X-Tumblr-Pixel
X-Tumblr-Pixel-0
X-Tumblr-User
X-Served-From-Cache
X-ServedBy
X-Tumblr-Pixel-1
X-CDN
X-ContextId
X-Served-By
X-Tumblr-Pixel-2
X-PC-Hit
X-PC-Key
Content-Security-Policy
X-Cache-Hit
X-Cache-Lookup
MicrosoftOfficeWebServer
X-Robots-Tag
X-Port
MicrosoftSharePointTeamServices
X-PC-Date
X-PC-Host
X-PC-AppVer
X-Varnish-Cache
X-Rack-Cache
X-Request-Country
Powered-By
SPRequestGuid
X-SharePointHealthScore
X-Accel-Version
X-XRDS-Location
X-MS-InvokeApp
X-Safe-Firewall
X-Tumblr-Pixel-3
Content-Encoding
X-Cache-Status
X-Cnection
X-Page-Speed
X-AH-Environment
X-Amz-Cf-Id
X-Seen-By
X-Wix-Renderer-Server
X-Wix-Request-Id
X-Ua-Compatible
X-PhApp
X-Webserver
X-INKT-SITE
X-INKT-URI
X-FullPageCaching
X-W-DC
X-Turbo-Charged-By
Composed-By
X-FRAME-OPTIONS
X-Request-ID
X-Firenze-Processing-Times
CF-Cache-Status
X-Content-Digest
Request-Id
Served-By
X-GitHub-Request-Id
SPIisLatency
SPRequestDuration
Rating
X-Pantheon-Endpoint
X-Styx-Version
X-Pantheon-Styx-Hostname
X-Styx-Req-Id
X-Cache-Enabled
X-Node
Liferay-Portal
X-Amz-Id-2
X-Amz-Request-Id
Public-Key-Pins
X-Tumblr-Content-Rating
Upgrade
X-Spip-Cache
X-Tumblr-Pixel-4
X-Hyper-Cache
Alternate-Protocol
X-Content-Powered-By
X-Proxy
X-Timer
X-Server-Name
Cf-Railgun
X-XN-Trace-Token
X-XN-XNHTML
X-Proxy-Cache
X-CF-Powered-By
Content-Script-Type
Content-Style-Type
Access-Control-Expose-Headers
Timing-Allow-Origin
Permitted-Cross-Domain-Policies
X-HeyJason
Charset
Alt-Svc
Refresh
Access-Control-Allow-Method
X-FB-Debug
X-Cache-Server
Public-Key-Pins-Report-Only
X-Powered-By-360WZB
Cartoon
X-Hits
X-Content-Security-Policy
X-Cache-Result
X-Clacks-Overhead
X-Server-Powered-By
X-VCache
X-CDN-Geo-IP
X-CDN-Geo
X-CDN-Any-IP
X-Umbraco-Version
X-Swift-SaveTime
EagleId
X-Swift-CacheTime
X-FW-Hash
Access-Control-Max-Age
X-Px
X-Device
Real-Hostname
X-Permitted-Cross-Domain-Policies
X-Loop
X-FW-Serve
X-FW-Type
X-Cache-Info
X-FW-Static
X-Cached-By
X-DynaTrace-JS-Agent
X-Age
X-Cached
X-Backend-Server
X-Tumblr-Pixel-5
X-TNCMS
X-Hostname
NS-RTIMER-COMPOSITE
X-Fastly-Request-ID
X-Url
X-Outils-CS
X-Generated-By
X-User-Agent
X-Jimdo-Wid
TCN
X-ChromeLogger-Data
X-Cache-Config
Grace
X-Forwarded-For
X-Whom
X-MiniProfiler-Ids
X-DDC-Arch-Trace
X-DynaTrace
X-CMS-Version
X-TN-ServedBy
Magicmarker
X-SERVER
X-Jimdo-Instance
Fastly-Debug-Digest
X-From
X-Msg-2-Log
Imagetoolbar
Fpc-Cache-Id
Content-MD5
X-Content-Encoded-By
ServedBy
X-PersistenceNode
Product
X-Expires-Orig
Page-Completion-Status
X-Content-Options
Rt-Fastcgi-Cache
X-Micro-Cache
X-Tumblr-Pixel-6
X-Middleton-Display
Surrogate-Control
Display
X-Sol
X-Handled-By
X-AspNetWebPages-Version
X-WebKit-CSP
ServerName
X-URL
Generator
X-ServerName
X-Country-Code
PageSpeed
Powered-By-ChinaCache
X-AWS-Id
X-VWS-Id
X-LJ-Flow-ID
X-Gateway
X-Beta
X-Matrix-Proxy
X-Matrix-Server
X-Drupal-Dynamic-Cache
Ngpass-Vcall
X-Microcachable
X-App-Hosting
IBM-Web2-Location
DynaTrace
X-Actual-URL
X-Original-Request
X-Returned-From-PostProcessResponse
X-Passed-To-BeforeDispatch
X-Passed-To-DLL
X-Hosted-By
X-Passed-To-PostProcessResponse
X-Passed-To
X-Returned-From-BeforeDispatch
X-Returned-From
X-Returned-From-DLL
X-Varnish-Cache-Hits
X-Varnish-TTL
X-Firenze-Processing-Time
X-LiteSpeed-Cache
X-Stale
Response
X-Director
X-Version
X-I
X-TTL
X-ApacheServer
X-SDS
X-Varnish-Beresp-Grace
X-Varnish-Beresp-Status
X-Varnish-Beresp-Ttl
X-Processed-By
X-S
X-Download-Options
X-Art-Request-Id
Cxy-All
Fhost
X-UD-Method
Node
X-Varnish-Backend
Content-Hash
X-Cache-TTL
X-Middleton-Response
X-Mobilized-By
X-Nitra-Side
X-Sucuri-ID
PICS-Label
Lsrequestid
X-Cache-Rule
Proxy-Agent
Proxy-Connection
X-FORWARDED-FOR
X-Track
Ag-Execution-Time
Ag-Send-Time
Access-Control-Request-Method
X-Cache-Debug
Ag-Server-Time
Content-Disposition
X-Varnish-Host
Retry-After
Content-Encoding-Handler
Edge-Control
X-Time
X-Cdn
X-PERF
Akamai-IP
X-Server-ID
X-ARC
X-ATG-Version
X-Abuse
X-FW
MIME-Version
Powered
X-Varnish-Cacheable
RTSS
X-NetCat-Version
X-Cache-Control-Orig
X-Varnish-Age
X-Gamma-Serve
Host
SID
X-Cache-Expires
Front-End-Https
X-Response-Time
VAR-Cache
X-Location-Id
Pics-Label
X-NoCache
X-CacheServer
X-Front
SN
X-Route-Server
X-ServerID
X-I-Sp
X-BS
X-Powered-By-Server
X-Trace
ServerID
X-Varnish-Hits
Buuteeq-Source
X-PwB-Node
X-Cache-Age
CC-CACHE
X-Duration
X-Srv
Cache
X-Client-IP
X-HOST
X-CJ-Soft
X-VTEX-Janus-Router-Backend-App
X-Powered-By-VTEX-Janus-Edge
No
X-Vtex-Processed-At
X-Vtex-Processado-Em:
Thanks
X-Powered-By-VTEX-Janus-ApiCache
X-Vtex-Remote-Cache
X-VTEX-Janus-SO
X-VTEX-Cache-Status-Janus-Edge
X-VTEX-Janus-System
X-VTEX-Cache-Status-Janus-ApiCache
X-Ttl
X-Grace
X-Purge-Host
Webluker-Edge
X-Geo-IP
X-Varnish-IP
Vacache
X-Translation
X-Microcache-Status
X-Amz-Meta-S3cmd-Attrs
X-DNS-Prefetch-Control
X-Device-Type
X-Frontend
X-Daa-Tunnel
X-Cookie-Domain
X-Recruiting
X-Jimdo-Pid
Sfy
X-Goog-Hash
Lfy
Srv
X-Orig-Vary
Qs-Cache
X-Cookie
X-Vcap-Request-Id
X-Akamai-Device-Characteristics
Server-Info
Version
COMMERCE-SERVER-SOFTWARE
X-Purge-URL
X-Do-Esi
X-App-Status
X-Akamai-Device-Model
X-Instart-Request-ID
NetMindSessionID
X-Libra-UpstreamHost
X-Upstream
X-RESOURCE
X-Speed-Cache-Key
X-Speed-Cache
Frame-Options
X-Source
X-Geo-IP-Region
X-Geo-IPV
Location
X-Developer
X-CDN-Cache-Status
X-Geo-IP-Metro
X-CDN-Node
X-Geo-IP-Country
X-Blog
Server-Name
X-Real-Server
Origin
X-Cache-Operation
X-Cache-Tags
Accept-Charset
X-GeoIP-Country-Code
Accept-Encoding
IISExport
X-GeoIP-Country-Name
X-Fastcgi-Cache
Filter-Revision
X-Trace-Cache
X-Do-Not-Hack
X-Varnish-Server
Cm-Server
X-Content-Age
X-Yadis-Location
Req-Id
Arr-Disable-Session-Affinity
X-Varnish-Hostname
S
X-ACMCache
Last-Published
A-Powered-By
X-Session-Reinit
X-PF-Uncompressing
NODE
X-DefendeR-Status
X-Drectory-Script
Backend
X-Magnolia-Registration
NtCoent-Length
X-FIRSTBase
X-DefendeR-Runtime
LBVIS
X-WEBSERVER
X-Provisioner-Version
X-Varnish-Grace
X-Amz-Version-Id
X-Domain-Checked
X-WA-Info
X-ClientSide-Caching
X-Xrds-Location
CacheControlHeader
Hamster
X-Cache-Control
X-Directory-Script
X-WR-Flags
X-Engine
X-Cocoon-Version
X-Varnish-Debug-Age
X-UPSTREAM
BDQID
X-Varnish-RemainingGrace
BDUSERID
X-Varnish-Seen-By
X-Varnish-RemainingTTL
X-Distributed-By
BDPAGETYPE
X-SRV
X-N
Id
Author
X-Analytics
Backend-Timing
X-Storage
X-Yottaa-Metrics
X-App
X-BackendServer
Beyond-Iis
X-Yottaa-Optimizations
Nodo
X-Sys-Req-ID
X-Adobe-Loc
Set-Cookie2
X-ID
X-Adobe-Content
X-Accel-Expires
Encoding
X-Secret
WWW-Authenticate
Content-Transfer-Encoding
X-Vary-Options
X-Dynatrace
X-Grid-Server
X-Highwire-SessionId
X-SmartBan-Host
X-Highwire-RequestId
X-SmartBan-URL
X-Cache-Lifetime
X-Mobile-URL
X-TempDebug
Cache-By-Node
Mobiquo-Is-Login
X-Src-Webcache
X-Symfony-Cache
X-Resolver-IP
X-Pagename
CLMOB
SRV
X-Origin
X-Cache-Doesi
X-Hit-Cache
Cneonction
S-Cnection
X-Origin-Id
X-Empowered-By
X-B2f-Cache-Load
Logging-CorrelationId
X-Bettercache-Proxy
X-Platform
HCVer
HAVer
X-SE-Debug
X-AOL-HN
SVR
X-EDGECONNECT-GUID-DEBUG
X-Balanceador
SSPAppContext
X-W3TC-Minify
AMF-Ver
X-Object-Id
X-B-Cache
X-Distributor
X-Object-Type
Fastcgi-Cache
X-Nginx-Host
X-Uid
X-SV-Nginx-Duration
X-SV-FromDBCache
X-Machine-Name
X-Atraveo-ETag
X-SV-Pid
X-Atraveo-Cache-Control
X-Atraveo-Expires
X-NewRelic-App-Data
CT
X-SV-Duration
X-SV-Edge
X-Atraveo-Set-Cookie
X-Atraveo-Param-Rm
X-Atraveo-From-Varnish-Cache
X-SV-CreatedAt
X-Atraveo-TTL
X-SV-CacheTags
X-Atraveo-Varnish-Server-Id
X-Atraveo-Zone
BALANCEDTO
X-TTFB-L
X-NginX-Server
X-Nginx-Cache
X-Varnish-Esi-Method
X-Amz-Storage-Class
X-JG-Page-Cache
X-SmugMug-Values
X-Full-URL
NLCacheNote
X-Prefetched
X-SmugMug-Hiring
X-NginX-Cache
X-Env
X-Debug
X-Varnish-Esi-Access
Smug-CDN
X-TTFB
X-Framework
Keywords
XDomainRequestAllowed
X-Varnish-Debug-TTL
X-Force
X-Id
X-PRAM
X-Amz-Id-1
X-Req-Host
SS
X-Expires
X-Obvious-Info
SiteName
X-Obvious-Tid
X-Processing-Time
X-Edge-Location
Tk
X-Varnish-Action
WSR-Cache
X-SDE-Name
X-Nurl
WP-AdvCache-MemCached
X-Revision
X-IsCacheURL
X-Stage
X-Ruxit-JS-Agent
Host-Service
X-Nhost
MIH-CLIENT-FARM
X-NFE
X-FreeTag-Count
MIH-PLATFORM
X-AOL-SNH
X-Gannett-Site-Version
MIH-PUBLIC-IDENTIFIER
Bios
Allow
X-Cache-On
Myheader
X-Cache-Action
LBC
W
Description
X-Litespeed-Cache
X-Platform-Router
Ibf5scheme
X-Platform-Processor
Warning
X-LB
X-XTM-Node
X-Detected-Device
X-Newrelic-App-Data
X-Powered-By-Anquanbao
NnCoection
ScoreTracker
Accept-Language
X-Info
MW-Webserver
X-Varnish-Currency
X-Turpentine-Esi
X-Real-IP
X-Old-Content-Length
X-Optimization
B-Powered-By
X-NB-Cached-Page
X-Varnish-URL
X-Varnish-Store
From
X-Edge-IP
X-Remote-Addr
X-Varnish-HitMiss
Web-Server
X-AISO-Cacheable
Pool-Info
X-Varnish-Count
X-AISO-Server
X-AISO-Cache
X-SCProxy
X-ProxyInstancename
X-Route
Mime-Version
X-Cache-CFC
Www.Mabracertifiering.Se
X-Cache-Original-TTL
X-Full-Url
X-Key
Www.Myjob.Se
X-BLSR-COST
X-DOM
X-Cache-Key
X-PHP-Engine
Www.Mirrorgate.Se
Jobb.Passal.Se
Open.Jobgate.Se
Sophnep-Edge-FX
X-DSMX-Rewrite-MS
X-T3CacheTags
P3P:CP
OT-RequestId
X-T3CacheInfo
X-DSMX-Render-MS
No-Cache
Nginx-Cache
Test.Executivepeople.Se
X-T3Cache
X-Actindo-RS
Imx-Cookies-Used
Pool
Nitro-Cache
Cache-Rule
X-B2f-Not-Route
N365rili
X-GSL-Server
X-Webkit-CSP
X-Turpentine-Cache
X-SSL
X-Webstats-RespID
X-Varnish-Bot
X-Site:
X-Cache-Served
Cluster-ID
X-DTC
X-N-ViewType
X-Invoke-Duration
X-REDIRECTSERVER
Jobb.Gil.Se
X-WorkerInstancename
X-Powered
X-Kirra-SiteId
Jobb.Assistentpoolen.Se
If-Modified-Since
X-VAge
BM-Cache-Bypass
X-Clara-ASAP
Hash
X-ASAP-Cache
X-CID
X-CCC
X-Varnish-Set-Cookie
X-Span
X-Platform-Cache
XX
Sss
X-Test
X-Plat
X-Cache-TTL-Remaining
X-Rot
X-Sov
X-GeoIP
X-CacheResult
X-Artvisual-Server
X-EPiphany-Vid
X-Client-Vid
X-Hit
X-Connection-Hash
X-Page-Cache
X-AWS
X-Cache-Keep
X-Garden-Version
X-Phpwcms-Page-Processed-In
X-Twitter-Response-Tags
X-Phpwcms-Release
X-Transaction
X-Cache-Fix
X-ESI-Enable
X-Apm-Telemetry-Syncmark
X-Hypernode
Section-Io-Id
Servername
X-Cache-PageType
X-Goog-Stored-Content-Length
X-MrHost
X-Goog-Stored-Content-Encoding
X-GUploader-UploadID
X-Goog-Metageneration
X-Goog-Storage-Class
CpuTime
X-7d-Instance-Id
X-Powered-By-Home.Pl
X-Cache-Set
X-Smartcache-Keys
X-Smartcache-Timeout
X-ACCELERATE
X-SV
Fw-Via
Machine
X-Server-Upstream
X-ATM-RServer
X-ATM-RTime
X-T
X-Frame-Option
X-Config-By
X-7d-Trace-Id
AsisCache
X-WP
X-Node-Name
X-Server-Id
X-Ocache
X-Goog-Generation
X-SERVER-ID
Il-Cl
Copyright
X-Captured
X-FFX-B
X-Response
X-B
X-Dispatcher
X-Author
Fastly-Backend-Name
X-Esi
X-ORACLE-DMS-ECID
X-Header
BM-Cache-Key
SBGI-Device
Worker
BM-Cache-Node
SBGI-RenderTime
CountryCode
PServer
BM-Cache-Status
TP-Cache
TP-L2-Cache
X-Unbounce-Variant
X-Dev
SBGI-10
SBGI-5
SBGI-1
X-Dispatch
X-Rocket-Nginx-Bypass
X-Jphone-Copyright
SBGI-7
X-Cms-Mode
X-Unbounce-VisitorID
SBGI-RealPath
X-Unbounce-PageId
Device
Xc
X-Server-Instance
SBGI-9
X-Built-By
WFE
Ksid
Content-Instance
X-AccessDev
IsMobile
X-Domino-CacheValidationWithETagReason
X-Rack-CORS
X-NID
X-Domino-CacheValidationWithETagResult
X-Desc
HOST-SERVICE
X-CB-Server
X-Block
X-Max-Age
Backend-Name-Original
RequestId
X-Channel-Maxage
X-Ajaxblocks-Esi
X-Trace-App
X-Uplex
X-HeBS-Cache-Status
X-SilverStripe-Cache
X-HostName
ORIGIN
X-Instance
Cache-Ctrol
X-Pageid
X-ManagedFusion-Rewriter-Version
X-Appmachine-Environment
X-Rewritten-By
X-IDS-WS
X-Avvio-Cms-Cacheload
X-Static-Version
X-Discourse-Route
Provider
X-Render-Time
X-Request-Count
X-Ec-Custom-Error
X-EntryPoint
X-Worker
X-WR-MODIFICATION
Prxy
X-App-Server
X-Healthy
ServerSignature
Ews
X-Fallback
Access-Control-Request-Headers
X-BKSrc
ServerTokens
X-FCMS-Cache
X-Venda-Hitid
NZSpeedy
Ibm-Web2-Location
X-Magento-Action
X-Server-IP
X-SRCache-Fetch-Status
X-Ob-Mode
ServerIP
X-Is-Mobile
X-APP
X-Fe
Aoestatic
X-Hosts-Backend
X-SRCache-Store-Status
X-Magento-Lifetime
WP-Cache
X-Request-Processing-Time
X-Tags
X-PageID
X-Backside-Transport
X-Gyrobase-Publication
X-IP-Address
X-Frames-Options
AC-ELC
X-Request-Received
Rewriter
X-Flow-Powered
X-HW
X-PHP-Response-Code
X-LB-Server
X-Backend-Status
X-Flex-Lastmod
X-Flex-Tag
X-Vhost-ID
X-Flex-Tags
Bs-Header
CommunityServer
AcceptLangage
Server-Optimized-By
X-Flex-Lang
X-DN-Cache-Control
X-Checkout
X-Cookie-Store
X-Cluster
X-RateLimit-Remaining
X-Cdn-Fetch
X-LW-Web-Server
OriginServer
X-Flex-Evstart
X-Flex-Evend
X-Flex-Community
Tracker
X-Geo-Segment
X-Router
DPOOL-HEADER
X-Origin-Server
X-NMT-Proxy
X-OPNET-Transaction-Trace
XDisk
X-Webapp
X-UseReverse-Proxy
X-View
Akamai-Edgescape
X-Ratelimit
X-ServedByHost
SINA-TS
SINA-LB
Hostname
X-TTL-Age
X-Your-GrandPa-Would-Wait
X-LS-DEBUG
X-Cache-Extended
X-Box
X-UA-Profile
MachineName
X-Would-Your-GrandPa-Wait
X-Pixelsilk-Server
X-Pixelsilk-Version
X-Response-Status
X-MCF-ID
X-Kinja-Server
X-Kinja
X-Kinja-Build
X-Kinja-Revision
X-Router-Backend
X-Search-Id
X-Ar-Debug
X-Status
Tempo
X-Accel-Cache-Control
Mto-License-Status
X-Url-Store
X-Var-Hash
X-Site-Name
X-Global-Transaction-ID
Language
X-Web-Node
X-CO-Host
BX-Cache
X-Varnish-ServiceNetIP
X-Varnish-Hashed-On
Svr
X-Wikidot-Backend
X-UUID
BX-TTL
X-Trace-Id
X-Oracle-DMS-ECID
X-ESI
X-Compressed-By
FX-TTL
FX-Forwarded-For
X-RSS-CACHE-STATUS
X-Ghost-Cache-Status
FX-Cache
X-Wikidot-Static-Cache
SERVER-IP
X-Pardot-Rsp
X-PBY
X-Server-By
X-Pardot-Route
X-Pardot-LB
X-Country
X-BE
X-IP
X-Seschat-URL
X-Cloud-Trace-Context
X-SeschatRedID
Foglight-Request-UUID
X-SeschatTemplateID
X-SeschatLayout
X-SeschatDID
Content
Real-Server
X-ASAP-Age
Front
X-IB-Site-Name
X-Cluster-Host
X-IB-Context-Urn
X-CCM
X-Cacheable-TTL
Y-Trace
X-BServer
X-IB-Timestamp
X-AG-MIPS
X-DELIVERYSERVER
X-Document-Tracking-Type
X-IB-Content-Urn
X-IB-Content-Type
X-Document-Path
X-Document-Guid-Path
X-Document-Folder-Guid
X-Document-Guid
AGI-Request-ID
X-BPool
Railo-Version
INCOMING-TIME
X-Rq
X-This-Proto
X-4ormat-Cacheable
Cached
Progma
RN-Server
Apache
SL-NOREWRITE-REDIRECTS
X-Server-Addr
X-RAMCache
X-Cache-Engine
X-Varnish-Instance
X-Pj-Cache-Status
Hosted-By
X-HITS
X-TargSmaku
X-JSESSIONID
X-SL-Norewrite
X-Orig-Host
X-Middleton-PageSpeed
X-Pagely-Cache
X-PressLabs-Stats
X-SATserver
X-Built-With
X-Sn-Servicetimems
INFO
X-Goog-Meta-Policy
X-Meta-MSSmartTagsPreventParsing
X-Frontal
X-Goog-Meta-Replace
X-CDNZZ-FCACHE
X-KO-Site-Id
X-AppServer-Cache-Rule
X-Meta-Imagetoolbar
X-Meta-MSThemeCompatible
Apachenode
X-VhostID
Surrogate-Key
WebServer
Og
MSSmartTagsPreventParsing
NodeId
MSThemeCompatible
X-B3-Traceid
X-AVG
X-Pj-Cache-Flags
X-Pj-Cache-Expires
X-Pj-Cache-Gzip
X-Pj-Cache-Key
YF-ID
X-Pj-Cache-Time
X-HA
X-Environment
X-Beatles-Hits
Ram
X-DEBUG
X-Does-He-Have-Time
X-Rack-Cors
Http
Redirect
X-BlueWare-App-Data
X-HP-CAM-COLOR
X-IIJ-Cache
X-ProcessESI
X-SID
X-RemovedCookies
Ec
X-Perf
Requested-Host
X-Time-Spent
Debug-3-1
X-SERVERID
X-VG-WebCache
Noq
Cpu
X-EdgeConnect-Origin-MEX-Latency
X-EdgeConnect-MidMile-RTT
X-GC-App
X-GC-Pointer
X-GC-Write
X-GC-Read
IM-Version
X-Runtime-Memory
X-Cache-Level
GenSvr
X-Lima-Id
X-Pressidium-NinukisWP-Ver
X-Proxy-Route
X-SL-Notranslate
X-AVG-REWRITE
X-Mii-Cache-Hit
X-Device-Group
X-Pb-Mii
X-Sc-Cache
X-Sc-Path
X-Backend-Name
X-ATP-Server
BM-Cache-BackendNode
X-Ct-Info
BM-Cache-BackendTime
V-Age
Www.Aujourdhui.Com
Fpc-Expire
Head
X-Hstore
X-Hrouter
X-Martin
X-MobileDetected
X-Mod
X-Hosting
X-Tile-Url
Aurora-Node
X-Cache-Me-Harder
X-Cookies-Stripped
X-Czt
X-EdgeRouter
X-NewCloud-V-Cache
X-Say-Cacheable
X-SayCDN-Original-UA
X-SayCDN-Original-Path
X-SayCDN-TTL
X-SayCDN-UA
X-Lang
X-SayCDN-Original-Host
X-Say-TTL
X-Say-Original-Host
X-Say-Original-IP
X-Say-Original-UA
X-Say-Original-URL
X-BC
X-Backend-TTL
MageStack-PageSpeed
MageStack-Tag
MageStack-Loadbalancer
MageStack-Debug
MageStack-Config
MageStack-Web-Node
X-Ants-Host
Cteonnt-Length
SIP
X-Client-Addr
X-Ants-Machine-Id
MageStack-Cacheable
MageStack-Cache-Status
MageStack-Area
X-Relocation
X-ServerIndex
Cmstype
Cmsid
X-Stiffia-Cache
MageStack-Cache
MageStack-Cache-Lifetime
X-Obr-Rule
X-Origin-Cache
MageStack-Cache-Hits
X-Varnish-Debug-Pool-Fetch
X-PM-ID
X-ACLR-Version
PROPSON-FARM
Atp-Isdpp
X-VC-TTL
RSL-Trace-ID
Publisher
Fw-Cache-Status
HA-Front
Httpd-Identifier
TIMESTAMP
At-Shoptype
X-Instance-Name
X-HOSTTYPE
X-Gondor-Server
X-Debug-Token
X-Enhanced-By
Ttl
X-PoweredBy
At-Isb
X-Provided-By
X-Webobjects-Loadaverage
X-USERNAME
X-Varnish-Cookie-Debug
RouteID
Can-You
X-Varnish-Debug-Varnish-TTL-Set-From-Server
X-Varnish-Restarts
X-EZPublish-NodeID
Yola-ID
X-EZPublish-InstallationID
X-UA
X-VC-Enabled
X-Varnish-Debug-Pool-Recv
Url-Hash
FROM-SERVER
X-DPWN-IS-SECURE
X-StackifyID
RATING
X-GRACE
Content-ID
Be-Ip
X-Debug-Serve
Be-Va
Cache-Key
HostGen
DeleGate-Ver
IsFullSiteRequest
ExecuteNonQuerySQLParam
X-PC3-Time
Public-Extension
ResourceTag
X-BC-Stapler
X-Content-Security-Policy-Report-Only
X-Vgn-Hpd-Cached
Disablevcache
HostName
X-Vgn-Hpd-Variations-Key
Server-IP
X-Catalyst
X-PC3-Control
Exires
X-Server-Node
X-Node-ID
X-Lb-Server
X-Content-Parsed-By
X-Powered-By-Srv
X-Cache-2
X-Cachable
X-Airee-Node
X-Cms-Server
Noahs-Classifieds
Dynatrace
X-UA-Vendor
Apple-Itunes-App
X-Distil-CS
X-Forwarded-Proto
X-Protected-By
Access-Control-Allow-Origin:
Debug-Status
X-Purge-Level
X-Feature
X-LTM-ID
X-Serendipity-InterfaceLangSource
X-Serendipity-InterfaceLang
X-InDy-Time
Activity-Id
X-InDy-Query
X-InDy-Memory
X-Correlation-Id
X-ENV
DNNOutputCache
X-We-Are-Hiring
X-Page-Id
X-RE-Ref
X-Memcached
X-FarmId
X-Cache-Via
X-EdgeConnect-Cache-Status
X-Content-Type
X-Medium-Entity-Type
Robots
X-Benchmark-Cache
Rt-Proxy-Cache
SV-Duration
X-Edge-V
X-Bcwwwid
X-Benchmark-Db
X-Benchmark-Sphinx
X-Server-Generated
BlockPHPCallEnd
X-Server-Instance-Name
DB-Nickname
X-Benchmark-Sphinx-Count
X-Benchmark-Total
X-Process-Time
X-RequesterIP
X-Amz-Meta-Cb-Modifiedtime
X-WLD-LB
X-ETag
X-ZSITES-DNS
X-PHP
X-Xhr-Current-Location
ClientIP
F5-IpCliente
X-GeoIP-Country
X-Hiring
Thinkindot-Control
Thinkindot-CacheControl-Type
Gzip
Thinkindot-CacheControl
X-Mod-Oboe-PS
X-Time-Microsecs
X-Boot
X-Cache-Frontend
X-Application-Context
X-9XB-Server
Xonnection
Kp-EeAlive
X-Cacheable-By-Varnish
X-COUNTRY-CODE
X-Nginx
X-Panel-Id
X-LOCATION
X-KoobooCMS-Version
X-CPU-Time
X-Farm-Server
X-S-Misc
X-Nginx-Backend
X-Dynamic
Cache-Contril
X-Delivered-By
X-Brought-To-You-By
X-Tradeindia-Request-GUID
Origin-Server
Content-Cache
X-AppServer-Status
X-Medium-Entity-Id
X-Made-Cache-Ttl
X-HTML-Minification-Powered-By
X-Generation-Time
X-ClusterID
X-D-Time
X-Panel-Name