Submitted URL: http://opasmc.net/
Effective URL: https://opasmc.net/
Submission: On September 04 via api from US — Scanned from CA

Summary

This website contacted 3 IPs in 2 countries across 2 domains to perform 9 HTTP transactions. The main IP is 172.67.180.29, located in United States and belongs to CLOUDFLARENET, US. The main domain is opasmc.net.
TLS certificate: Issued by WE1 on August 9th 2024. Valid for: 3 months.
This is the only time opasmc.net was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
5 172.67.180.29 13335 (CLOUDFLAR...)
2 104.18.94.41 13335 (CLOUDFLAR...)
9 3
Apex Domain
Subdomains
Transfer
5 opasmc.net
opasmc.net
84 KB
2 cloudflare.com
challenges.cloudflare.com — Cisco Umbrella Rank: 3877
15 KB
9 2
Domain Requested by
5 opasmc.net opasmc.net
2 challenges.cloudflare.com opasmc.net
challenges.cloudflare.com
9 2

This site contains links to these domains. Also see Links.

Domain
www.cloudflare.com
Subject Issuer Validity Valid
opasmc.net
WE1
2024-08-09 -
2024-11-07
3 months crt.sh
challenges.cloudflare.com
E5
2024-07-17 -
2024-10-15
3 months crt.sh

This page contains 2 frames:

Primary Page: https://opasmc.net/
Frame ID: 1C505496F9FF3F0B6211BDA885C09DB2
Requests: 6 HTTP requests in this frame

Frame: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/maq7z/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/
Frame ID: 1A52559A836312D9D9B36F928705CF6F
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Just a moment...

Page URL History Show full URLs

  1. http://opasmc.net/ HTTP 307
    https://opasmc.net/ Page URL

Page Statistics

9
Requests

78 %
HTTPS

0 %
IPv6

2
Domains

2
Subdomains

3
IPs

2
Countries

100 kB
Transfer

203 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://opasmc.net/ HTTP 307
    https://opasmc.net/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
opasmc.net/
Redirect Chain
  • http://opasmc.net/
  • https://opasmc.net/
19 KB
11 KB
Document
General
Full URL
https://opasmc.net/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.180.29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9188a46efba9556a5c5e4d259863aa992d9b6844ff8473ef113f79aa693914dc
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-chl-out
JAipMgRlLYv7kH9yW5GBg67+1zlmCTcHzHaDU8TGh4VCy1hX1Bz1OLQNMQpzXy9DmZvbAYE+c1Ug63u/ryOifSqzL1GnlnsCjBYwQZ8IWdwAb39D978UG2tp/YBp6qdeh9PMiHrgMSiLTxjEwsypHw==$uDx/Q67x+iB4b0ry37XO2Q==
cf-mitigated
challenge
cf-ray
8bdd8cb1481d36d5-YYZ
content-encoding
br
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin
date
Wed, 04 Sep 2024 11:13:19 GMT
expires
Thu, 01 Jan 1970 00:00:01 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
origin-agent-cluster
?1
permissions-policy
accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy
same-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=WRlDj0QxQH4XO8xVjWVimBfdi5lkkTKt4DliNfPj4HZ4Ox6Y1xc4PvPjpJt%2BJ%2FO6HS3R2n8J7Kq9VV8wfu1eY%2Fl0hKdfHRfpkKANgbuy%2FN%2FasVWJXRHBD705PwU%2F"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
x-content-options
nosniff
x-frame-options
SAMEORIGIN

Redirect headers

Location
https://opasmc.net/
Non-Authoritative-Reason
HttpsUpgrades
v1
opasmc.net/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/
87 KB
33 KB
Script
General
Full URL
https://opasmc.net/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=8bdd8cb1481d36d5
Requested by
Host: opasmc.net
URL: https://opasmc.net/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.180.29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
55eaa4031653f66bf239b7e00aa67bb49ced29151d6e5b9da38aa8207fa3909a

Request headers

Referer
https://opasmc.net/?__cf_chl_rt_tk=.l2pZbt0L6.Vqjwa6ZKwcM7qRnGvqu2JnEzjYNTebik-1725448399-0.0.1.1-7018
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 04 Sep 2024 11:13:19 GMT
content-encoding
br
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=VpI1akZzw9vv%2FxcSUcGOmk4ay7gxOnK%2FmculrycN8CYD3Pe%2FjH7w277d1z1fVYVlxIDhqZAnzwGjmWDMGwo1BIDDjon6USii0QU7pgB8DFBnd0ouPLBTEG1LkmT0"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=UTF-8
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
8bdd8cb2088936d5-YYZ
alt-svc
h3=":443"; ma=86400
1dba1227-6bd8-455c-b22d-a75645bb310d
https://opasmc.net/ Frame
0
0

api.js
challenges.cloudflare.com/turnstile/v0/g/e7cf9275f425/
45 KB
15 KB
Script
General
Full URL
https://challenges.cloudflare.com/turnstile/v0/g/e7cf9275f425/api.js?onload=jIea4&render=explicit
Requested by
Host: opasmc.net
URL: https://opasmc.net/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=8bdd8cb1481d36d5
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.94.41 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3f0166bde3365c67aeeb6adfb6de569399ba9941a39ee0ee6c4dc086494daf99

Request headers

Referer
Origin
https://opasmc.net
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 04 Sep 2024 11:13:19 GMT
content-encoding
br
last-modified
Thu, 29 Aug 2024 21:08:07 GMT
server
cloudflare
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
max-age=31536000, stale-if-error=10800, stale-while-revalidate=31536000, public
cross-origin-resource-policy
cross-origin
cf-ray
8bdd8cb2bfdeaaae-YYZ
alt-svc
h3=":443"; ma=86400
favicon.ico
opasmc.net/
19 KB
19 KB
Image
General
Full URL
https://opasmc.net/favicon.ico
Requested by
Host: opasmc.net
URL: https://opasmc.net/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.180.29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a918eec7304bc9f130f3677fc38dd91664e2d096e4a2876661d91ab18480be3b
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://opasmc.net/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 04 Sep 2024 11:13:19 GMT
content-encoding
br
x-content-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cross-origin-embedder-policy
require-corp
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-resource-policy
same-origin
alt-svc
h3=":443"; ma=86400
cf-chl-out
dCSaK+AJeAw6HgZUCioyxsePgZm6QP9NaFa3qJj3acI5jnUwwdLpfEZyo4FB8VQ94JXN9Ng2n/HR4FrbPWRHZ/20uGLxgoPIbq3gbEKsNF8m9gXQxq7lK8vcK1nZqS91MNTWTbMFqeAbpVPWUGFEeA==$jaVk6VfOMqjQNORjQ0Xokg==
referrer-policy
same-origin
accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-opener-policy
same-origin
cf-mitigated
challenge
server
cloudflare
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=purJnCdBuYZ9tDkjxgVVMkiFL6X29kAvg3Ut79A9mW5ol9LfTIUjL3u9r8ThDjvDv%2FpzmSnKIaO1Fzbs3Uc7QsgU6reHGbrdq7iVYXfZQWA%2B9WuSdXGzGnBlPYmL"}],"group":"cf-nel","max_age":604800}
content-type
text/html; charset=UTF-8
vary
Accept-Encoding
origin-agent-cluster
?1
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
permissions-policy
accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
cf-ray
8bdd8cb27d8038e2-YYZ
expires
Thu, 01 Jan 1970 00:00:01 GMT
f2041c65553bcbc
opasmc.net/cdn-cgi/challenge-platform/h/g/flow/ov1/1460829717:1725445466:pAo3Ok8i0v46JvbcY1fX1z6jV7q0dI4zi2sSJKGL4X0/8bdd8cb1481d36d5/
17 KB
13 KB
XHR
General
Full URL
https://opasmc.net/cdn-cgi/challenge-platform/h/g/flow/ov1/1460829717:1725445466:pAo3Ok8i0v46JvbcY1fX1z6jV7q0dI4zi2sSJKGL4X0/8bdd8cb1481d36d5/f2041c65553bcbc
Requested by
Host: opasmc.net
URL: https://opasmc.net/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=8bdd8cb1481d36d5
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.180.29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2cc65617912014f841461c3b92bbf952eb773e1125d1b253f52410276fe2bdab

Request headers

Referer
https://opasmc.net/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
CF-Challenge
f2041c65553bcbc
Content-type
application/x-www-form-urlencoded

Response headers

date
Wed, 04 Sep 2024 11:13:19 GMT
content-encoding
br
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=crktuFmIU7mNQHiwtePxtoCYknjNgMJn1VeID%2FtZPBrXz8hDbZJSQl%2FyVu8qUvjhF6FGNN6jysCD3SCMs8S0a0vtubYeGfO%2Bpx7RVVJTKQWuvUx1WAAayf12PjVP"}],"group":"cf-nel","max_age":604800}
content-type
text/plain; charset=UTF-8
cf-ray
8bdd8cb33de638e2-YYZ
alt-svc
h3=":443"; ma=86400
cf-chl-gen
RvRYHh2PTkHITnKYVLD6/KZPBiRgkmrS+00Z7gjpXSfSrdQUnoTpSWzPIaCg5UTuhITxYy+Q5A==$nPWcQLNXqwFaP+st
favicon.ico
opasmc.net/
17 KB
9 KB
Other
General
Full URL
https://opasmc.net/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.180.29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
756652b4d95d5429997aa91a30b2caf509d129a5977b009a83adc48bc6811e13
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://opasmc.net/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 04 Sep 2024 11:13:19 GMT
content-encoding
br
x-content-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cross-origin-embedder-policy
require-corp
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-resource-policy
same-origin
alt-svc
h3=":443"; ma=86400
cf-chl-out
/6C5MT5ywQ4sO2dgyrg+JSxNdoXjI2I7mallTQ/fy+PcIGkbvnCwN7pQFpQIqUuipAZ0La1YAZCAOs7LeHvWJ4JnfhSs4hc7bIYgkgBQJ4hsbCFHdQ/mLovxXWnaZ9PlcvMVsijAUwG0th2feVl/xA==$1jinoo4oPQGehTPDXv7VDw==
referrer-policy
same-origin
accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-opener-policy
same-origin
cf-mitigated
challenge
server
cloudflare
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=6FDJn6UPXbgoSDPaX%2FAuF%2FkFPCM%2Bivcmr%2BonX6qgW2%2B5vhVb3soITwvJ6fKamNOcmMP5tdMVaOwj6UiBOW0zu1rs%2FcM4Y3AWzEeLvTF%2FXMpEO8ck4%2FpJIqOTYCHI"}],"group":"cf-nel","max_age":604800}
content-type
text/html; charset=UTF-8
vary
Accept-Encoding
origin-agent-cluster
?1
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
permissions-policy
accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
cf-ray
8bdd8cb33de838e2-YYZ
expires
Thu, 01 Jan 1970 00:00:01 GMT
9dfebba3-46fd-4ca1-b2f6-877119a17fc9
https://opasmc.net/ Frame
0
0

/
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/maq7z/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/ Frame 1A52
0
0
Document
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/maq7z/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/turnstile/v0/g/e7cf9275f425/api.js?onload=jIea4&render=explicit
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.94.41 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Content-Security-Policy frame-src https://challenges.cloudflare.com/; base-uri 'self'

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
8bdd8cb45f47ac72-YYZ
content-encoding
br
content-security-policy
frame-src https://challenges.cloudflare.com/; base-uri 'self'
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
cross-origin
date
Wed, 04 Sep 2024 11:13:20 GMT
document-policy
js-profiling
origin-agent-cluster
?1
permissions-policy
accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy
same-origin
server
cloudflare

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
opasmc.net
URL
blob:https://opasmc.net/1dba1227-6bd8-455c-b22d-a75645bb310d
Domain
opasmc.net
URL
blob:https://opasmc.net/9dfebba3-46fd-4ca1-b2f6-877119a17fc9

Verdicts & Comments Add Verdict or Comment

18 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| _cf_chl_opt function| eGwmv5 function| wbJL7 function| OPIHj0 function| jIea4 boolean| olHL2 function| PlAi6 function| lCOT0 function| sCBwP1 object| TKVfK5 object| AJNw1 object| tkMZM6 number| cflU4 object| angular object| turnstile boolean| aMLE5 string| abfK5 boolean| ESmxu2

0 Cookies

3 Console Messages

Source Level URL
Text
network error URL: https://opasmc.net/
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://opasmc.net/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://opasmc.net/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 ()

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Frame-Options SAMEORIGIN