Threat Level: green Handler on Duty: Johannes Ullrich

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