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301 Moved Permanently - gxopt.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Tue, 06 May 2025 17:45:59 GMT
Content-Type: text/html
Content-Length: 167
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Tue, 06 May 2025 18:45:59 GMT
Location: https://gxopt.com/
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=POMSug3X2bRSYZTvTb6o%2BliqwhZW7V4cj4br8XMmNgOIEmNwMTFspZIHl7ta3q5M5YtEzxhhtjZo7IdILoBLKE2VX7jGDeFwExlT1TeEnA6wig5h1J9o7IIEkMXazfp9yk4zvyJdwE4%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 93ba4b65d8963625-FRA
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=24058&min_rtt=24058&rtt_var=12029&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=165&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

HTTP Code 301 Moved Permanently

301 Moved Permanently means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

403 Forbidden - https://gxopt.com/
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Tue, 06 May 2025 17:46:00 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Server: cloudflare
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Vary: Accept-Encoding
Cf-Cache-Status: BYPASS
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=BegJx2HxJ5rRB3FpqHaZWuC%2Fniz0XR83%2Bkt%2BfbbkK4Ae26Pe9aM5nlOLOY1V1U8IbcApnsIasA3NLPUNckdl4A5vgnHW4N0oe4YG69PQRxsAHMQLcIpkavwXXgBMbGA9XBLSuNnEQZY%3D"}]}
CF-RAY: 93ba4b66bc6a3737-FRA
alt-svc: h3=":443"; ma=86400

HTTP Code 403 Forbidden

403 Forbidden indicates that access to the requested resource is denied, even with authentication.

When is Code 403 used?

  • When accessing restricted content without necessary permissions
  • When security rules block a request
  • When an IP address is banned

What does Code 403 mean for the user?

The user is informed that they do not have permission to access the resource.

GET / HTTP/1.1
Host: gxopt.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>aaPanel Website Firewall Free Edition</title>
<style>
*{margin:0;padding:0;color:#444}
body{font-size:14px;font-family:"宋体"}
.main{width:700px;margin:10% auto;}
.title{background: #20a53a;color: #fff;font-size: 16px;height: 40px;line-height: 40px;padding-left: 20px;}
.content{background-color:#f3f7f9; height:280px;border:1px dashed #c6d9b6;padding:20px}
.t1{border-bottom: 1px dashed #c6d9b6;color: #ff4000;font-weight: bold; margin: 0 0 20px; padding-bottom: 18px;}
.t2{margin-bottom:8px; font-weight:bold}
ol{margin:0 0 20px 22px;padding:0;}
ol li{line-height:30px}
</style>
</head>

<body>
	<div class="main">
		<div class="title">aaPanel Website Firewall Free Edition</div>
		<div class="content">
			<p class="t1">Your request has an illegal parameter and has been blocked by the webmaster settings!</p>
			<p class="t2">Possible reason: </p>
			<ol>
				<li>Your submission contains dangerous attack requests</li>
			</ol>
			<p class="t2">How to solve: </p>
			<ol>
				<li>Check the submission;</li>
				<li>If the website is hosted, please contact the space provider;</li>
				<li>For ordinary website visitors, please contact the webmaster;</li>
				<li>This is a false positive, please contact the aaPanel <a href="https://forum.aapanel.com/" target="_brank">https://forum.aapanel.com/</a></li>
			</ol>
		</div>
	</div>
</body>
</html>

Whois info of domain

Domain Name: GXOPT.COM
Registry Domain ID: 2343170354_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namesilo.com
Registrar URL: http://www.namesilo.com
Updated Date: 2023-12-26T14:47:39Z
Creation Date: 2018-12-14T09:14:58Z
Registry Expiry Date: 2025-12-14T09:14:58Z
Registrar: NameSilo, LLC
Registrar IANA ID: 1479
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4805240066
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: ROAN.NS.CLOUDFLARE.COM
Name Server: SREENI.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-06T17:45:40Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
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