-related ORG.APACHE.HTTP packages into the system. The following is an introduction. 1) java.net Package main class/Interface description class/interface Description Serv Ersocket represents the socket for the service that waits for a client connection Scoket NBS P provides a client-side TCP socket Datagramsocket to implement a For sending and receiving data Bao de DUP sockets datagrampacket packet intetaddress NBS P represents IP address unkow
The most complete sysctl. conf optimization solution in China There are various versions of the sysctl. conf optimization solution on the Internet, most of which are copied and copied, making new users confused. In order to solve this problem, I have reviewed N materials over the past two days and summarized them as follows. Many default documents that do not need to be modified are not currently involved, in the future, we will gradually provide translation, explanation, and modification sugges
8388608Net.core.wmem_default = 65535Net.core.wmem_max = 8388608Net.ipv4.tcp_wmem = 4096 65535 8388608Net.ipv4.tcp_mem = 8388608 8388608 8388608Net.core.optmem_max = 40960If you want to block someone from pinging your host, add the following code:# Disable Ping RequestsNet.ipv4.icmp_echo_ignore_all = 1When the edit is complete, execute the following command to make the change effective immediately:/sbin/sysctl-p/sbin/sysctl-w net.ipv4.route.flush=1###################All
domain of the response. Unless this is a HEAD request, the response entity should contain a hyperlink to the new URI and a short description. If this is not a GET or HEAD request, then the browser disables automatic redirection unless the user confirms it, because the requested condition may vary. Note: Although the RFC 1945 and RFC 2068 specifications do no
. This response is cacheable only if specified in Cache-control or expires.mentioned above.If this is not a GET or HEAD request, then the browser disables automatic redirection unless the user confirms it, because the requested condition may vary.Note: Although the RFC 1945 and RFC 2068 specifications do not allow the client to change the method of the request du
, as well as resources or files in the collection.
· Document properties. Different types of data have unique properties that help describe the data. For example, in an e-mail message, these properties may be the sender's name and the time the message was received. In a collaboration document, these properties may be the name of the original author of the document and the name of the last editor. Because people use different types of documents, the list of possible property types becomes infinit
to send subsequent requests to the original address. This response is cacheable only if specified in Cache-control or expires. The new temporary URI should be returned in the location domain of the response. Unless this is a head request, the response entity should contain a hyperlink to the new URI and a short description. If this is not a get or head request, then the browser disables automatic redirection unless the user confirms it, because the requested condition may vary. Note: Although t
redirection is temporary, the client should continue to send future requests to the original address. This response can be cached only when Cache-Control or Expires is specified. The new temporary URI should be returned in the response Location domain. Unless this is a HEAD request, the response entity should contain hyperlinks and brief descriptions pointing to the new URI. If this is not a GET or HEAD request, the browser prohibits automatic redirection unless it is confirmed by the user beca
original address. This response is cacheable only if specified in Cache-control or expires.The new temporary URI should be returned in the location domain of the response. unless this is a head request, the response entity should contain a hyperlink to the new URI and a short description.If this is not a get or head request, then the browser disables automatic redirection unless the user confirms it, because the requested condition may vary.Note: Although the
for the SA to null from the database and prompt for incorrect password when logging in.Set the password for SA to 4. "Error 500--internal Server error from RFC 2068 Hypertext Transfer Protocol--http/1.1:10.5.1 when you are prompted to log on with a run time errors Internal Server Error The server encountered an unexpected condition which prevented it from fulfilling the R Equest. "Background Application Se
This article introduces is WebSocket, but does not introduce its protocol format, generally can see the HTTP header can also understand WebSocket before the protocol switch negotiation, can see the IP header also on the WebSocket after the protocol switch communication format is not unfamiliar.WebSocket provides a transport service for the message packet over the reliable transmission of TCP, that is, the application layer call WebSocket at one end of the websocket sends a message of the specifi
. *. isrwhlp/[F, I, O]
# Some M rulesRewritecond HOST: (. +)
Rewritecond command
Syntax :( syntax) rewritecond testverb condpattern [flags]This command defines a condition rule, and pre-runs the rewritecond command before the rewriterule, rewriteheader, or rewriteproxy command. The following rule only has its, the pattern matches the current status of the URI and the additional conditions are also applied.
Testverb
Specifies verb that will be matched against regular expression.The expression def
://www.CodeHighlighter.com/-->
[ISAPI_Rewrite]
# This isA comment
#300 = 5MinutesCacheClockRate 300RepeatLimit20
# Block external access to the httpd. ini and httpd. parse. errors filesRewriteRule/Httpd (? :. Ini |. parse. errors )/[F, I, O]
# Block external access to the Helper ISAPI ExtensionRewriteRule. *. isrwhlp/[F, I, O]
# Some M rulesRewriteCond Host: (. +)
RewriteCondCommand
Syntax :( Syntax) RewriteCond TestVerb CondPattern [Flags]This command defines a condition rule, and pre-runs th
When you access a WebLogic page, an error occurs:
Error 404 -- not foundFrom RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:10.4.5 404 not foundThe server has not found anything matching the request-Uri. No indication is given of whether the condition is temporary or permanent.
If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used inste
Note: This article is transferred from the csdn website.
PHPLanguage description
Html. The header is the string sent by the server before the server passes HTML data to the browser using HTTP co-definition. A blank line is required between the header and the HTML file. For a detailed description of HTTP, refer to the RFC 2068 official file (http://www.w3.org/Protocols/rfc2068/rfc2068 ). Before sending HTML
and the additional conditions are also applied.
TestVerb
Specifies verb that will be matched against regular expression.The expression defined in the verb matching rule.TestVerb = (URL | METHOD | VERSION | HTTPHeaderName: | % ServerVariable) where:
URL-returns Request-URI of client request as described in RFC 2068 (HTTP 1.1 );Returns the Request-URI of the requirement described by the client in RFC2068.MET
Header is the string sent by the server before the server passes HTML data to the browser with HTTP co-meaning. in the header Separate HTML files with a blank line. For more information about HTTP, see the RFC 2068 official file.
Http://www.w3.org/Protocols/rfc2068/rfc2068 ). Before Sending HTML data back to PHP, you must first
All the headers are uploaded.
Note: The traditional header must contain one of
The header is the string sent by the server before the server passes HTML data to the browser using HTTP co-definition. a blank line is required between the header and the HTML file. For more information about HTTP, see the official RFC2068 File (www. w3.orgProtocolsrfc2068rfc2068 ). Before Sending HTML data back to PHP, you must first pass all the header headers (headers) as the strings sent by the server before passing HTML data to the browser through HTTP co-definition.
Separate HTML files wi
WebDAV: Distributed Authoring and Versioning Protocol (web-based distributed Authoring and Versioning) a communication protocol based on the HTTP 1.1 protocol. It extends HTTP 1.1, adding new methods beyond the Get, POST, head, and other HTTP standard methods, enabling applications to directly read and write to the Web server and support write file locking (Locking) and Unlock (Unlock). You can also support version control for files.HTTP 1.1 (see IETF RFC
used to determine which resource to useThe host header was first introduced in http/1.0+, and it is a developer-implemented http/1.0 superset of the extensions. The host header must be supported in accordance with the http/1.1 standard. Most modern browsers and servers support host headers, but there are still some clients and servers (and network bots) that do not support it Host HeaderThe host header is the request header for http/1.1, which is defined in
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