blocks|key|524024|text|不能，您只能使用rfc文档要求代码，请参阅RFC1945中的详细信息|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|524025|entityMap|0|LINK|mutability|MUTABLE|url|http://freesoft.org/CIE/RFC/1945/index.htm^0|L|7|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

No, you can only use rfc documentation requirements code, see details in <a href="http://freesoft.org/CIE/RFC/1945/index.htm" rel="nofollow">RFC1945</a>

blocks|key|524054|text|一些应用程序添加了600-799范围内的自定义响应代码。例如，检查响应代码列表from+KeyNote+here|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|524055|注释记号定义的错误代码(600-799)|524056|600:+CONNECTION+ERROR+-+This+indicates+a+general+connection+error
601:+INCOMPLETE+ERROR+-+This+indicates+sever+sends+an+incomplete+page/object+(as+indicated+by+Content-Length+header)
602:+UNEXPECTED+CLOSE+ERROR+-+This+indicates+socket+connection+has+been+closed+unexpectedly
603:+REFUSED+ERROR+-+This+indicates+a+request+to+connect+to+the+server+is+refused
604:+TIMEOUT+ERROR+-+This+indicates+there+is+no+activity+in+socket+connection+in+3+minutes
605:+REDIRECT+ERROR+-+This+indicates+an+error+in+redirect+HTTP+header
606:+SSL+ERROR+-+This+indicates+a+general+error+in+SSL
607:+HEADER+ERROR+-+This+indicates+a+malformed+HTTP+header
608:+EMPTY+RESPONSE+ERROR+-+This+indicates+server+doesn't+send+any+response+after+a+request+is+sent
609:+UNKNOWN+HOST+ERROR+-+This+indicates+socket+receives+an+unknown+host+error+from+DNS
610:+NO+ROUTE+TO+HOST+ERROR+-+This+indicates+a+no+route+to+host+error+was+received+while+attempting+to+open+a+socket
611:+SOCKET+ERROR+-+This+indicates+a+general+socket+error
612:+FRAME+LOOP+ERROR+-+This+indicates+a+page+has+a+frame+loop+(frame+A+includes+Frame+B+that+includes+Frame+A)
613:+REDIRECT+LOOP+ERROR+-+This+indicates+a+page+has+a+redirect+loop+(page+A+redirects+to+page+B+that+redirects+to+page+A)
614:+CONNECTION+RESET+ERROR+-+This+indicates+socket+receive+a+reset+signal+from+the+server
615:+SOCKET+PROTOCOL+ERROR+-+This+indicates+an+error+in+socket+protocol
616:+SOCKET+BIND+ERROR+-+This+indicates+an+error+in+binding+the+socket
617:+CONNECTION+ERROR+-+This+indicates+a+general+socket+connection+error
618:+CHUNK+ERROR+-+This+indicates+an+error+in+chunked+encoding
619:+SSL+TIMEOUT+-+This+indicates+a+timeout+during+SSL+handshake+(2+minutes)
620:+SSL+END+OF+INPUT+-+This+indicates+an+end-of-file+is+received+during+SSL+handshake
621:+SSL+HANDSHAKE+ERROR+-+This+indicates+a+general+error+during+SSL+handshake
622:+SSL+CERTIFICATE+ERROR+-+This+indicates+an+error+in+SSL+certificate+verification
623:+SSL+AUTHENTICATION+ERROR+-+This+indicates+an+authentication+error+during+SSL+handshake
624:+SSL+BAD+MAC+ERROR+-+This+indicates+a+bad+MAC+during+SSL+handshake
625:+SSL+CIPHER+ERROR+-+This+indicates+a+cipher+error+during+SSL+handshake
701:+ERROR+TEXT+FOUND+-+This+code+is+returned+if+any+error+text+(such+as,+"Service+Unavailable")+are+found+in+the+main+page+(frame+HTML+contents+included).+Note+that+the+error+text+must+be+defined+in+advance+of+the+test.+Error+text+means+if+the+text+is+found,+this+session+should+be+considered+a+failure.
702:+REQUIRED+TEXT+NOT+FOUND+-+This+code+is+returned+If+not+all+required+texts+are+found+in+the+main+page.+Note+that+required+text+must+be+defined+in+advance+of+the+test.+Required+text+means+if+the+text+is+not+found,+this+session+should+be+considered+a+failure.
703:+HTML+BODY+EMPTY+-+This+code+is+returned+if+the+HTML+body+of+the+page+is+empty+(only+if+error+text+or+required+text+has+been+defined).|code-block|syntax|javascript|524057|我不敢说这是不是很好的实践，但至少它是一个有趣的参考。|524058|entityMap|0|LINK|mutability|MUTABLE|url|http://www.keynote.com/support/lp_help/source/loadpro_errors.htm^0|13|H|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|Z|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|10|8|@]|9|@]|C|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

Some applications add their custom response codes in the range 600-799. Check for example the response code list <a href="http://www.keynote.com/support/lp_help/source/loadpro_errors.htm" rel="noreferrer">from KeyNote here</a>

Keynote Defined Error Codes (600-799)

<pre><code>600: CONNECTION ERROR - This indicates a general connection error
601: INCOMPLETE ERROR - This indicates sever sends an incomplete page/object (as indicated by Content-Length header)
602: UNEXPECTED CLOSE ERROR - This indicates socket connection has been closed unexpectedly
603: REFUSED ERROR - This indicates a request to connect to the server is refused
604: TIMEOUT ERROR - This indicates there is no activity in socket connection in 3 minutes
605: REDIRECT ERROR - This indicates an error in redirect HTTP header
606: SSL ERROR - This indicates a general error in SSL
607: HEADER ERROR - This indicates a malformed HTTP header
608: EMPTY RESPONSE ERROR - This indicates server doesn't send any response after a request is sent
609: UNKNOWN HOST ERROR - This indicates socket receives an unknown host error from DNS
610: NO ROUTE TO HOST ERROR - This indicates a no route to host error was received while attempting to open a socket
611: SOCKET ERROR - This indicates a general socket error
612: FRAME LOOP ERROR - This indicates a page has a frame loop (frame A includes Frame B that includes Frame A)
613: REDIRECT LOOP ERROR - This indicates a page has a redirect loop (page A redirects to page B that redirects to page A)
614: CONNECTION RESET ERROR - This indicates socket receive a reset signal from the server
615: SOCKET PROTOCOL ERROR - This indicates an error in socket protocol
616: SOCKET BIND ERROR - This indicates an error in binding the socket
617: CONNECTION ERROR - This indicates a general socket connection error
618: CHUNK ERROR - This indicates an error in chunked encoding
619: SSL TIMEOUT - This indicates a timeout during SSL handshake (2 minutes)
620: SSL END OF INPUT - This indicates an end-of-file is received during SSL handshake
621: SSL HANDSHAKE ERROR - This indicates a general error during SSL handshake
622: SSL CERTIFICATE ERROR - This indicates an error in SSL certificate verification
623: SSL AUTHENTICATION ERROR - This indicates an authentication error during SSL handshake
624: SSL BAD MAC ERROR - This indicates a bad MAC during SSL handshake
625: SSL CIPHER ERROR - This indicates a cipher error during SSL handshake
701: ERROR TEXT FOUND - This code is returned if any error text (such as, "Service Unavailable") are found in the main page (frame HTML contents included). Note that the error text must be defined in advance of the test. Error text means if the text is found, this session should be considered a failure.
702: REQUIRED TEXT NOT FOUND - This code is returned If not all required texts are found in the main page. Note that required text must be defined in advance of the test. Required text means if the text is not found, this session should be considered a failure.
703: HTML BODY EMPTY - This code is returned if the HTML body of the page is empty (only if error text or required text has been defined).
</code></pre>

Whether this is good practice I would not dare to say, but it is an interesting reference at least.

blocks|key|524096|text|这是所有可用/不可用HTTP代码的完整列表。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|524097|https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml|524098|例如，可以在4XX族上使用以下箭头符号(因为它们未指定)。|524099|​|524100|📷|atomic|524101|524102|我希望这对某些人有帮助。|524103|谢谢|524104|entityMap|0|LINK|mutability|MUTABLE|url|1|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/f81340258a5e62c709b29d18f60a7747.png|imageAlt^0|A|4|0|0|22|0|0|6|3|0|0|0|1|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@$9|17|A|18|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|19|8|@]|D|@$9|1A|A|1B|1|1C]]|E|$]]|$1|H|3|I|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|1G|8|@]|D|@]|E|$]]|$1|L|3|M|5|N|7|1H|8|@]|D|@$9|1I|A|1J|1|1K]]|E|$]]|$1|O|3|K|5|6|7|1L|8|@]|D|@]|E|$]]|$1|P|3|Q|5|6|7|1M|8|@]|D|@]|E|$]]|$1|R|3|S|5|6|7|1N|8|@]|D|@]|E|$]]|$1|T|3|-4|5|6|7|1O|8|@]|D|@]|E|$]]]|U|$V|$5|W|X|Y|E|$Z|G]]|10|$5|11|X|12|E|$13|14|15|-4]]]]

Here's the full list of all the available/unavailable <code>HTTP</code> codes.
<a href="https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml" rel="noreferrer">https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml</a>
For example, the following arrowed ones are available to use (because they are unassigned) on <code>4XX</code> family.
<a href="https://i.stack.imgur.com/o181R.png" rel="noreferrer"><img src="https://i.stack.imgur.com/o181R.png" alt="enter image description here" /></a>
I hope this helps someone.
Thanks

I have a REST and WCF service and want to send a custom status code based on the operation.
For example when some validation fails then I want to send HTTP 444 and when authorization fails I want to send HTTP 455
The question is how do we have it validated for both SOAP and REST web services.
On the client how does the error code act because when you send an HTTP 400/500 from a WCF Service (using SOAP) an exception is thrown on the client showing the status code?
Now if I send a new custom status code how does the client handle this?

Can we create custom HTTP Status codes?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我有一个REST和WCF服务，并希望发送基于操作的自定义状态代码。例如，当某些验证失败时，我想发送HTTP 444，而当授权失败时，我想发送HTTP 455问题是我们如何对SOAP和REST web服务进行验证。在客户端，当您从WCF服务(使用SOAP)发送HTTP 400/500时，客户端将抛出一个显示状态代码的异常...

问我们可以创建自定义HTTP状态代码吗？
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问我们可以创建自定义HTTP状态代码吗？EN

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问我们可以创建自定义HTTP状态代码吗？
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