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