The Apache EBCDIC Port

Available Languages: en | - ko

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Warning: This document - has not been updated to take into account changes made in - the 2.0 version of the Apache HTTP Server. Some of the - information may still be relevant, but please use it with care. -

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Overview of the Apache EBCDIC Port
Design Goals
Technical Solution
Porting Notes
Document Storage Notes
Apache Modules' Status
Third Party Modules' Status

Overview of the Apache EBCDIC Port

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Version 1.3 of the Apache HTTP Server was the first version - which included a port to a (non-ASCII) mainframe machine which - uses the EBCDIC character set as its native codeset.

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(It is the SIEMENS family of mainframes running the BS2000/OSD - operating system. This mainframe OS nowadays features a - SVR4-derived POSIX subsystem).

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The port was started initially to

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prove the feasibility of porting the Apache HTTP server to - this platform
find a "worthy and capable" successor for the venerable - CERN-3.0 daemon - (which was ported a couple of years ago), and to
prove that Apache's preforking process model can on this - platform easily outperform the accept-fork-serve model used - by CERN by a factor of 5 or more.

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This document serves as a rationale to describe some of the - design decisions of the port to this machine.

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Design Goals

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One objective of the EBCDIC port was to maintain enough - backwards compatibility with the (EBCDIC) CERN server to make - the transition to the new server attractive and easy. This - required the addition of a configurable method to define - whether a HTML document was stored in ASCII (the only format - accepted by the old server) or in EBCDIC (the native document - format in the POSIX subsystem, and therefore the only realistic - format in which the other POSIX tools like grep or - sed could operate on the documents). The current - solution to this is a "pseudo-MIME-format" which is intercepted - and interpreted by the Apache server (see below). Future versions - might solve the problem by defining an "ebcdic-handler" for all - documents which must be converted.

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Technical Solution

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Since all Apache input and output is based upon the BUFF - data type and its methods, the easiest solution was to add the - conversion to the BUFF handling routines. The conversion must - be settable at any time, so a BUFF flag was added which defines - whether a BUFF object has currently enabled conversion or not. - This flag is modified at several points in the HTTP - protocol:

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set before a request is received - (because the request and the request header lines are always - in ASCII format)
set/unset when the request body is - received - depending on the content type of the request body - (because the request body may contain ASCII text or a binary - file)
set before a reply header is sent - (because the response header lines are always in ASCII - format)
set/unset when the response body is sent - - depending on the content type of the response body (because - the response body may contain text or a binary file)

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Porting Notes

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The relevant changes in the source are #ifdef'ed - into two categories:
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#ifdef - CHARSET_EBCDIC
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Code which is needed for any EBCDIC based machine. - This includes character translations, differences in - contiguity of the two character sets, flags which - indicate which part of the HTTP protocol has to be - converted and which part doesn't etc.
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#ifdef _OSD_POSIX
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Code which is needed for the SIEMENS BS2000/OSD - mainframe platform only. This deals with include file - differences and socket implementation topics which are - only required on the BS2000/OSD platform.
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The possibility to translate between ASCII and EBCDIC at - the socket level (on BS2000 POSIX, there is a socket option - which supports this) was intentionally not chosen, - because the byte stream at the HTTP protocol level consists - of a mixture of protocol related strings and non-protocol - related raw file data. HTTP protocol strings are always - encoded in ASCII (the GET request, any Header: lines, - the chunking information etc.) whereas the file transfer - parts (i.e., GIF images, CGI output etc.) - should usually be just "passed through" by the server. This - separation between "protocol string" and "raw data" is - reflected in the server code by functions like bgets() - or rvputs() for strings, and functions like - bwrite() for binary data. A global translation - of everything would therefore be inadequate.
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(In the case of text files of course, provisions must be - made so that EBCDIC documents are always served in - ASCII)
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This port therefore features a built-in protocol level - conversion for the server-internal strings (which the - compiler translated to EBCDIC strings) and thus for all - server-generated documents. The hard coded ASCII escapes - \012 and \015 which are ubiquitous - in the server code are an exception: they are already the binary - encoding of the ASCII \n and \r and - must not be converted to ASCII a second time. - This exception is only relevant for server-generated strings; - and external EBCDIC documents are not expected to - contain ASCII newline characters.
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By examining the call hierarchy for the BUFF management - routines, I added an "ebcdic/ascii conversion layer" which - would be crossed on every puts/write/get/gets, and a - conversion flag which allowed enabling/disabling the - conversions on-the-fly. Usually, a document crosses this - layer twice from its origin source (a file or CGI output) to - its destination (the requesting client): file -> - Apache, and Apache -> client.
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The server can now read the header lines of a CGI-script - output in EBCDIC format, and then find out that the remainder - of the script's output is in ASCII (like in the case of the - output of a WWW Counter program: the document body contains a - GIF image). All header processing is done in the native - EBCDIC format; the server then determines, based on the type - of document being served, whether the document body (except - for the chunking information, of course) is in ASCII already - or must be converted from EBCDIC.
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For Text documents (MIME types text/plain, text/html - etc.), an implicit translation to ASCII can be - used, or (if the users prefer to store some documents in - raw ASCII form for faster serving, or because the files - reside on a NFS-mounted directory tree) can be served - without conversion.
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Example:
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to serve files with the suffix .ahtml as a - raw ASCII text/html document without implicit - conversion (and suffix .ascii as ASCII - text/plain), use the directives:
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- AddType text/x-ascii-html .ahtml - AddType text/x-ascii-plain .ascii -
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Similarly, any text/foo MIME type can be - served as "raw ASCII" by configuring a MIME type - "text/x-ascii-foo" for it using - AddType.
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Non-text documents are always served "binary" without - conversion. This seems to be the most sensible choice for, - .e.g., GIF/ZIP/AU file types. This of course - requires the user to copy them to the mainframe host using - the "rcp -b" binary switch.
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Server parsed files are always assumed to be in native - (i.e., EBCDIC) format as used on the machine, and - are converted after processing.
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For CGI output, the CGI script determines whether a - conversion is needed or not: by setting the appropriate - Content-Type, text files can be converted, or GIF output can - be passed through unmodified. An example for the latter case - is the wwwcount program which we ported as well.
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Document Storage Notes

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Binary Files

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All files with a Content-Type: which does not - start with text/ are regarded as binary - files by the server and are not subject to any conversion. - Examples for binary files are GIF images, gzip-compressed files - and the like.

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When exchanging binary files between the mainframe host and - a Unix machine or Windows PC, be sure to use the ftp "binary" - (TYPE I) command, or use the - rcp -b command from the mainframe host (the - -b switch is not supported in unix - rcp's).

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Text Documents

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The default assumption of the server is that Text Files - (i.e., all files whose Content-Type: - starts with text/) are stored in the native - character set of the host, EBCDIC.

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Server Side Included Documents

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SSI documents must currently be stored in EBCDIC only. - No provision is made to convert it from ASCII before - processing.

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Apache Modules' Status

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Module	Status	Notes
`core`	+	-
`mod_access`	+	-
`mod_actions`	+	-
`mod_alias`	+	-
`mod_asis`	+	-
`mod_auth`	+	-
`mod_authn_anon`	+	-
`mod_authn_dbm`	?	with own `libdb.a`
`mod_authz_dbm`	?	with own `libdb.a`
`mod_autoindex`	+	-
`mod_cern_meta`	?	-
`mod_cgi`	+	-
`mod_digest`	+	-
`mod_dir`	+	-
`mod_so`	-	no shared libs
`mod_env`	+	-
`mod_example`	-	(test bed only)
`mod_expires`	+	-
`mod_headers`	+	-
`mod_imagemap`	+	-
`mod_include`	+	-
`mod_info`	+	-
`mod_log_agent`	+	-
`mod_log_config`	+	-
`mod_log_referer`	+	-
`mod_mime`	+	-
`mod_mime_magic`	?	not ported yet
`mod_negotiation`	+	-
`mod_proxy`	+	-
`mod_rewrite`	+	untested
`mod_setenvif`	+	-
`mod_speling`	+	-
`mod_status`	+	-
`mod_unique_id`	+	-
`mod_userdir`	+	-
`mod_usertrack`	?	untested

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Third Party Modules' Status

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Module	Status	Notes
`mod_jserv -`	-	JAVA still being ported.
`mod_php3`	+	`mod_php3` runs fine, with LDAP and GD - and FreeType libraries.
`mod_put`	?	untested
`mod_session`	-	untested

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¾ÆÆÄÄ¡ EBCDIC Æ÷ÆÃ

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¾ÆÆÄÄ¡ EBCDIC Æ÷ÆÃ °³¿ä
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¾ÆÆÄÄ¡ EBCDIC Æ÷ÆÃ °³¿ä

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¾ÆÆÄÄ¡ À¥¼¹ö´Â 1.3 ¹öÀü¶§ Ã³À½À¸·Î EBCDIC ¹®ÀÚÁýÇÕÀ» - ±âº» ¹®ÀÚÁýÇÕÀ¸·Î »ç¿ëÇÏ´Â (ºñ-ASCII) ¸ÞÀÎÇÃ·¹ÀÓ ÄÄÇ»ÅÍ·Î - Æ÷ÆÃµÇ¾ú´Ù.

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(BS2000/OSD - ¿î¿µÃ¼Á¦¸¦ »ç¿ëÇÏ´Â SIEMENS °è¿ ¸ÞÀÎÇÃ·¹ÀÓÀ» ¸»ÇÑ´Ù. - ÀÌ ¸ÞÀÎÇÃ·¹ÀÓ ¿î¿µÃ¼Á¦¿¡´Â ÇöÀç SVR4°è¿ÀÇ POSIX ÇÏÀ§½Ã½ºÅÛÀÌ - ÀÖ´Ù).

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Æ÷ÆÃÀº Ã³À½¿¡ ´ÙÀ½°ú °°Àº ¸ñÀû¿¡¼ ½ÃÀÛµÇ¾ú´Ù

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(¸î³â Àü¿¡ Æ÷ÆÃµÈ) ¿À·¡µÈ CERN-3.0 ¼¹ö¸¦ ´ëÃ¼ÇÒ - "¾µ¸¸ÇÏ°í À¯´ÉÇÑ" ÈÄ°èÀÚ¸¦ Ã£±âÀ§ÇØ
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¼³°è ¸ñÇ¥

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EBCDIC Æ÷ÆÃÀÇ ¸ñÀûÁß ÇÏ³ª´Â »õ·Î¿î ¼¹ö·Î ÀüÈ¯À» À¯µµÇÏ°í - ½±°Ô ÀüÈ¯ÇÒ ¼ö ÀÖµµ·Ï °¡´ÉÇÑ (EBCDIC) CERN ¼¹ö¿Í È£È¯¼ºÀ» - À¯ÁöÇÏ´Â °ÍÀÌ´Ù. ±×·¡¼ HTML ¹®¼°¡ (ÀÌÀü CERN ¼¹ö°¡ ÀÎ½ÄÇÏ´Â - À¯ÀÏÇÑ Çü½ÄÀÎ) ASCII¿Í (POSIX ÇÏÀ§½Ã½ºÅÛÀÇ ±âº» ¹®¼ Çü½Ä. - ±×·¯¹Ç·Î grepÀÌ³ª sed °°Àº POSIX - µµ±¸¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Â Çö½ÇÀûÀÎ Çü½ÄÀÎ) EBCDIC Áß ¾î´À Çü½ÄÀÎÁö - ¼³Á¤ÇÒ ¼ö ÀÖ¾î¾ß ÇÑ´Ù. ÇöÀç ÇØ°áÃ¥Àº ¾ÆÆÄÄ¡ ¼¹ö°¡ Áß°£¿¡¼ - ¹®¼¸¦ °¡·ÎÃ¤¼ ¹®¼ÀÇ Çü½ÄÀ» ÆÄ¾ÇÇÏ´Â "°¡»ó MIME Çü½Ä"ÀÌ´Ù - (¾Æ·¡ Âü°í). ´ÙÀ½ ¹öÀü¿¡¼´Â º¯È¯ÇØ¾ßÇÒ ¸ðµç ¹®¼¿¡ - "ebcdic-handler"¸¦ Á¤ÀÇÇÏ´Â ¹æ¹ýÀ¸·Î ¹®Á¦¸¦ ÇØ°áÇÒ °ÍÀÌ´Ù.

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±â¼úÀû ÇØ°áÃ¥

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¾ÆÆÄÄ¡°¡ BUFF ÀÚ·áÇü°ú ¸Þ½áµå¸¦ »ç¿ëÇÏ¿© ¸ðµç ÀÔÃâ·ÂÀ» - ÇÏ¹Ç·Î °¡Àå ½¬¿î ¹æ¹ýÀº BUFF Ã³¸® ÇÔ¼ö¿¡ º¯È¯±â´ÉÀ» Ãß°¡ÇÏ´Â - °ÍÀÌ´Ù. ¾ðÁ¦µçÁö º¯È¯ÇÒ ¼ö ÀÖ¾î¾ß ÇÏ±â¶§¹®¿¡ BUFF °´Ã¼¸¦ - º¯È¯ÇØ¾ß ÇÏ´ÂÁö ¾Ë·ÁÁÖ´Â BUFF Ç¥½Ã¸¦ Ãß°¡Çß´Ù. ÀÌ Ç¥½Ã´Â - HTTP ÇÁ·ÎÅäÄÝÀÇ ¿©·¯ ´Ü°è¿¡¼ º¯°æµÉ ¼ö ÀÖ´Ù:

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¿äÃ»À» ¹Þ±â Àü¿¡ º¯È¯ (¿äÃ»°ú ¿äÃ»Çì´õ°¡ - Ç×»ó ASCII Çü½ÄÀÌ±â ¶§¹®¿¡)
¿äÃ» ³»¿ëÀ» ¹Þ¾ÒÀ»¶§ content type¿¡ µû¶ó - º¯È¯/º¯È¯¾ÈÇÔ (¿äÃ» ³»¿ëÀÌ ASCII ¹®ÀÚ³ª - ¹ÙÀÌ³Ê¸® ÆÄÀÏÀÎ °æ¿ì º¯È¯ÇØ¾ß ÇÏ±â¶§¹®¿¡)
ÀÀ´äÇì´õ¸¦ º¸³»±â Àü¿¡ º¯È¯ (ÀÀ´äÇì´õ´Â - Ç×»ó ASCII Çü½ÄÀÌ±â¶§¹®¿¡)
ÀÀ´ä ³»¿ëÀ» º¸³¾¶§ content type¿¡ µû¶ó - º¯È¯/º¯È¯¾ÈÇÔ (ÀÀ´ä ³»¿ëÀÌ ¹®ÀÚ ÆÄÀÏÀÌ°Å³ª - ¹ÙÀÌ³Ê¸® ÆÄÀÏÀÌ±â¶§¹®¿¡)

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Æ÷ÆÃ¿¡ ´ëÇØ¼

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¼Ò½ºÀÇ º¯È´Â µÎ°¡Áö #ifdef·Î ±¸ºÐÇÒ - ¼ö ÀÖ´Ù:
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#ifdef - CHARSET_EBCDIC
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¸ðµç EBCDIC±â¹Ý ÄÄÇ»ÅÍ¿¡ ÇÊ¿äÇÑ ÄÚµå. ¹®ÀÚº¯È¯, - µÎ ¹®ÀÚÁýÇÕ°£ÀÇ ¿¬¼ÓµÈ ¹®ÀÚ°ª Â÷ÀÌ, ¾î¶² HTTP ÇÁ·ÎÅäÄÝ - ºÎºÐÀÌ º¯È¯µÇ¾ß ÇÏ´ÂÁö¸¦ ¾Ë·ÁÁÖ´Â Ç¥½Ã µî.
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#ifdef _OSD_POSIX
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SIEMENS BS2000/OSD ¸ÞÀÎÇÃ·¹ÀÓ ÇÃ·¹Æû¿¡¸¸ ÇÊ¿äÇÑ - ÄÚµå. BS2000/OSD ÇÃ·¹Æû¿¡¸¸ ÇÊ¿äÇÑ Çì´õÆÄÀÏ Â÷ÀÌ¿Í - ¼ÒÄÏ ±¸Çö ¹®Á¦¸¦ ´Ù·é´Ù.
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¼ÒÄÏ ¼öÁØ¿¡¼ ASCII¿Í EBCDIC°£ º¯È´Â (BS2000 POSIX¿¡´Â - ÀÌ ±â´ÉÀ» Áö¿øÇÏ´Â ¼ÒÄÏ ¿É¼ÇÀÌ ÀÖ´Ù) HTTP ÇÁ·ÎÅäÄÝ ¼öÁØ¿¡¼ - Àü¼ÛµÇ´Â ÀÚ·á¿¡ ÇÁ·ÎÅäÄÝ°ü·Ã ¹®ÀÚ¿°ú ÇÁ·ÎÅäÄÝ°ú ¹«°üÇÑ - ÀÏ¹ÝÆÄÀÏÀÌ ¼¯¿©ÀÖ±â¶§¹®¿¡ ÀÇµµÀûÀ¸·Î »ç¿ëÇÏÁö - ¾Ê¾Ò´Ù. HTTP ÇÁ·ÎÅäÄÝ ¹®ÀÚ¿Àº (GET - ¿äÃ», Header: ÁÙ, ±âÅ¸ Á¤º¸ µî.) Ç×»ó ASCII - Çü½ÄÀÌ°í, ÆÄÀÏÀü¼Û ºÎºÐÀº (Áï, GIF ±×¸², CGI - Ãâ·Â µî.) ¼¹ö°¡ Ç×»ó "º¯È¯ÇÏÁö¾Ê°í ±×³É" º¸³»¾ß - ÇÑ´Ù. ¼¹ö ÄÚµå´Â "ÇÁ·ÎÅäÄÝ ¹®ÀÚ¿"°ú "ÀÏ¹Ý ÀÚ·á"¸¦, - ¹®ÀÚ¿¿¡´Â bgets()³ª rvputs(), - ¹ÙÀÌ³Ê¸® ÀÚ·á¿¡´Â bgets()³ª - rvputs() ÇÔ¼ö¸¦ »ç¿ëÇÏ¿© ±¸º°ÇÑ´Ù. ±×·¯¹Ç·Î - ¹«Á¶°Ç ¸ðµç °ÍÀ» º¯È¯ÇÏ´Â °ÍÀº ÀûÀýÇÏÁö ¾Ê´Ù.
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(¹°·Ð ¹®ÀÚÆÄÀÏÀÇ °æ¿ì EBCDIC ¹®¼¸¦ Ç×»ó ASCII·Î - ¼ºñ½ºÇÏµµ·Ï ÁØºñÇØ¾ß ÇÑ´Ù)
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±×·¡¼ Æ÷ÆÃ¿¡´Â (ÄÄÆÄÀÏ·¯°¡ EBCDIC ¹®ÀÚ¿·Î º¯È¯ÇÑ) - ¼¹ö ³»ºÎ ¹®ÀÚ¿°ú ¼¹ö°¡ »ý¼ºÇÑ ¹®¼¸¦ ±âº» ÇÁ·ÎÅäÄÝ - ¼öÁØ¿¡¼ º¯È¯ÇÏ´Â ±â´ÉÀÌ ÀÖ´Ù. ¼¹ö ÄÚµå¿¡ »êÀçµÈ ASCII - escape¹®ÀÚ \012¿Í \015´Â ¿¹¿Ü´Ù: - ÀÌµéÀÌ ÀÌ¹Ì ASCII \n°ú \rÀÇ - ¹ÙÀÌ³Ê¸® °ªÀÌ±â¶§¹®¿¡ ASCII·Î µÎ¹ø º¯È¯ÇÏ¸é ¾ÈµÈ´Ù. - ÀÌ ¿¹¿Ü´Â ¼¹ö°¡ »ý¼ºÇÑ ¹®ÀÚ¿¿¡¸¸ Àû¿ëµÈ´Ù; ¿ÜºÎ - EBCDIC ¹®¼´Â ASCII ÁÙ¹Ù²Þ¹®ÀÚ¸¦ Æ÷ÇÔÇÏ¸é ¾ÈµÈ´Ù.
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BUFF °ü¸®ÇÔ¼ö¸¦ »ç¿ëÇÏ´Â ¹æ¹ýÀ» »ìÆìº» ÈÄ ³ª´Â ¸ðµç - puts/write/get/gets°¡ °ÅÄ¡°ÔµÇ´Â "ebcdic/ascii º¯È¯ - °èÃþ"À» Ãß°¡ÇÏ°í, µ¿ÀûÀ¸·Î º¯È¯À¯¹«¸¦ ¼³Á¤ÇÒ ¼ö ÀÖ´Â - º¯È¯ Ç¥½Ã¸¦ Ãß°¡Çß´Ù. ¹®¼°¡ ¿øº»(ÆÄÀÏÀÌ³ª CGI Ãâ·Â)¿¡¼ - ´ë»ó(¿äÃ»ÇÑ Å¬¶óÀÌ¾ðÆ®)À¸·Î ÀÌµ¿ÇÒ¶§ Ç×»ó ÀÌ °èÃþÀ» - µÎ¹ø Áö³´Ù: ÆÄÀÏ -> ¾ÆÆÄÄ¡, ¾ÆÆÄÄ¡ - -> Å¬¶óÀÌ¾ðÆ®.
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¼¹ö´Â ÀÌÁ¦ EBCDIC Çü½ÄÀ¸·Î µÈ CGI ½ºÅ©¸³Æ® Ãâ·ÂÀÇ - Çì´õÁÙÀ» ÀÐ°í, ³ª¸ÓÁö ½ºÅ©¸³Æ® Ãâ·ÂÀÌ ASCIIÀÓÀ» ¾Ë¾Æ³¾ - ¼ö ÀÖ´Ù (WWW ¹æ¹®ÀÚ¼ö¸¦ ¼¼´Â ÇÁ·Î±×·¥°ú °°Àº °æ¿ì: ¹®¼ - ³»¿ëÀº GIF ±×¸²ÀÌ´Ù). ±âº» EBCDIC Çü½ÄÀ¸·Î ¸ðµç Çì´õ¸¦ - Ã³¸®ÇÑ´Ù; ±×·± ´ÙÀ½ ¼ºñ½ºÇÒ ¹®¼ÀÇ type¿¡ µû¶ó ¼¹ö´Â - ¹®¼ ³»¿ëÀÌ ÀÌ¹Ì ASCIIÀÎÁö È¤Àº EBCDIC¿¡¼ º¯È¯À» ÇØ¾ß - ÇÏ´ÂÁö °áÁ¤ÇÑ´Ù.
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(MIME typeÀÌ text/plain, text/html µî) ³»¿ëÀÌ - ÀÏ¹Ý ¹®ÀÚÀÎ ¹®¼¸¦ ¾Ï¹¬ÀûÀ¸·Î ASCII·Î º¯È¯ÇÏ°Å³ª, (»ç¿ëÀÚ¿¡°Ô - ºü¸£°Ô ¼ºñ½ºÇÏ±âÀ§ÇØ ¹Ì¸® ¹®¼¸¦ ASCII Çü½ÄÀ¸·Î ÀúÀåÇÏ¿´°Å³ª - NFS·Î ¸¶¿îÆ®ÇÑ µð·ºÅä¸®¿¡ ÆÄÀÏÀÌ ÀÖ´Â °æ¿ì) º¯È¯¾øÀÌ - ¼ºñ½ºÇÒ ¼ö ÀÖ´Ù.
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¿¹:
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ÀÌ¸§ÀÌ .ahtml·Î ³¡³ª´Â ÆÄÀÏÀ» ¾Ï¹¬ÀûÀÎ - º¯È¯¾øÀÌ ASCII text/html ¹®¼·Î (±×¸®°í - .ascii È®ÀåÀÚ´Â ASCII - text/plainÀ¸·Î) ¼ºñ½ºÇÏ·Á¸é ´ÙÀ½ Áö½Ã¾î¸¦ - »ç¿ëÇÑ´Ù:
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- AddType text/x-ascii-html .ahtml - AddType text/x-ascii-plain .ascii -
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¶Ç, text/foo ½ÄÀÇ MIME typeÀ» - AddType "text/x-ascii-foo" - ¼³Á¤ÇÏ¿© "ÀÏ¹Ý ASCII"·Î ¼ºñ½ºÇÒ ¼ö ÀÖ´Ù.
-
-
³»¿ëÀÌ ÀÏ¹Ý ¹®ÀÚ°¡ ¾Æ´Ñ ¹®¼´Â º¯È¯¾øÀÌ Ç×»ó "¹ÙÀÌ³Ê¸®"·Î - ¼ºñ½ºÇÑ´Ù. ¿¹¸¦ µé¾î, GIF/ZIP/AU ÆÄÀÏÇü½Ä¿¡ - °¡Àå ÀûÇÕÇÑ ¼±ÅÃÀÌ´Ù. ¹°·Ð »ç¿ëÀÚ´Â "rcp -b" - ¹ÙÀÌ³Ê¸® ¿É¼ÇÀ» »ç¿ëÇÏ¿© ÆÄÀÏÀ» ¸ÞÀÎÇÃ·¹ÀÓ È£½ºÆ®·Î - º¹»çÇß¾î¾ß ÇÑ´Ù.
-
-
¼¹öÆÄ½Ì ÆÄÀÏÀº Ç×»ó ÄÄÇ»ÅÍ°¡ »ç¿ëÇÏ´Â ±âº» Çü½ÄÀ¸·Î - (Áï, EBCDIC) ÀúÀåµÇ¾ú´Ù°í °¡Á¤ÇÏ°í, Ã³¸®ÈÄ¿¡ - º¯È¯ÇÑ´Ù.
-
-
CGI Ãâ·ÂÀÇ °æ¿ì CGI ½ºÅ©¸³Æ®°¡ º¯È¯ÀÌ ÇÊ¿äÇÑÁö °áÁ¤ÇÑ´Ù: - ÀûÀýÇÑ Content-TypeÀ» ¼³Á¤ÇÏ¿©, ¹®ÀÚÆÄÀÏÀº º¯È¯ÇÏ°í, - GIF Ãâ·ÂÀº º¯È¯¾øÀÌ º¸³¾ ¼ö ÀÖ´Ù. ¿ì¸®°¡ Æ÷ÆÃÇÑ wwwcount - ÇÁ·Î±×·¥ÀÌ ÈÄÀÚÀÇ °æ¿ì´Ù.
-

- -

¹®¼ ÀúÀå¿¡ ´ëÇØ¼

- - - -

¹ÙÀÌ³Ê¸® ÆÄÀÏ

- - - -

¼¹ö´Â Content-Type:ÀÌ text/·Î - ½ÃÀÛÇÏ´Â ¾Ê´Â ÆÄÀÏÀ» ¹ÙÀÌ³Ê¸® ÆÄÀÏ·Î °£ÁÖÇÏ¿© - ¾î¶² º¯È¯µµ ÇÏÁö ¾Ê´Â´Ù. ¹ÙÀÌ³Ê¸® ÆÄÀÏ¿¡´Â GIF ±×¸², gzipÀ¸·Î - ¾ÐÃàÇÑ ÆÄÀÏ µîÀÌ ÀÖ´Ù.

- -

¸ÞÀÎÇÃ·¹ÀÓ È£½ºÆ®¿Í À¯´Ð½º È¤Àº À©µµ¿ìÁî PC°£¿¡ ¹ÙÀÌ³Ê¸® - ÆÄÀÏÀ» Àü¼ÛÇÒ ¶§´Â ftp "binary" (TYPE I) ¸í·É¾î³ª - ¸ÞÀÎÇÃ·¹ÀÓ È£½ºÆ®¿¡¼ (À¯´Ð½º rcp´Â - -b ¿É¼ÇÀ» Áö¿øÇÏÁö ¾Ê´Â´Ù) rcp -b - ¸í·É¾î¸¦ ¹Ýµå½Ã »ç¿ëÇÏ¶ó.

- - - -

¹®ÀÚ ¹®¼

- - - -

±âº»ÀûÀ¸·Î ¼¹ö´Â ¹®ÀÚÆÄÀÏÀÌ (Áï, - Content-Type:ÀÌ text/·Î ½ÃÀÛÇÏ´Â - ¸ðµç ÆÄÀÏ) È£½ºÆ®ÀÇ ±âº» ¹®ÀÚÁýÇÕÀÎ EBCDICÀ¸·Î ÀúÀåµÇ¾ú´Ù°í - °¡Á¤ÇÑ´Ù.

- - - -

Server Side Include ¹®¼

- - - -

SSI ¹®¼´Â ÇöÀç EBCDIC Çü½ÄÀ¸·Î¸¸ ÀúÀåÇØ¾ß ÇÑ´Ù. Ã³¸®ÇÏ±â - Àü¿¡ ASCII¸¦ º¯È¯ÇÏÁö ¾Ê´Â´Ù.

- - - -

¾ÆÆÄÄ¡ ¸ðµâÀÇ »óÅÂ

¸ðµâ	»óÅÂ	ºñ°í
`core`	+	-
`mod_access`	+	-
`mod_actions`	+	-
`mod_alias`	+	-
`mod_asis`	+	-
`mod_auth`	+	-
`mod_auth_anon`	+	-
`mod_auth_dbm`	?	ÀÚÃ¼ `libdb.a`¸¦ »ç¿ëÇÏ¿©
`mod_autoindex`	+	-
`mod_cern_meta`	?	-
`mod_cgi`	+	-
`mod_digest`	+	-
`mod_dir`	+	-
`mod_so`	-	°øÀ¯¶óÀÌºê·¯¸®°¡ ¾øÀ½
`mod_env`	+	-
`mod_example`	-	(½ÃÇè ´Ü°è)
`mod_expires`	+	-
`mod_headers`	+	-
`mod_imagemap`	+	-
`mod_include`	+	-
`mod_info`	+	-
`mod_log_agent`	+	-
`mod_log_config`	+	-
`mod_log_referer`	+	-
`mod_mime`	+	-
`mod_mime_magic`	?	¾ÆÁ÷ Æ÷ÆÃ¾ÈµÊ
`mod_negotiation`	+	-
`mod_proxy`	+	-
`mod_rewrite`	+	Å×½ºÆ®¾ÈµÊ
`mod_setenvif`	+	-
`mod_speling`	+	-
`mod_status`	+	-
`mod_unique_id`	+	-
`mod_userdir`	+	-
`mod_usertrack`	?	Å×½ºÆ®¾ÈµÊ

- -

Á¦»ïÀÚ°¡ ¸¸µç ¸ðµâÀÇ »óÅÂ

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

¸ðµâ	»óÅÂ	ºñ°í
`mod_jserv -`	-	JAVA´Â Æ÷ÆÃÁßÀÌ´Ù.
`mod_php3`	+	`mod_php3`´Â LDAP, GD, FreeType ¶óÀÌºê·¯¸®¿Í - ÇÔ²² Àß µ¿ÀÛÇÑ´Ù.
`mod_put`	?	Å×½ºÆ®¾ÈµÊ
`mod_session`	-	Å×½ºÆ®¾ÈµÊ

- -

Module	Status	Notes
core	+
mod_access	+
mod_actions	+
mod_alias	+
mod_asis	+
mod_auth	+
mod_authn_anon	+
mod_authn_dbm	?	with own `libdb.a`
mod_authz_dbm	?	with own `libdb.a`
mod_autoindex	+
mod_cern_meta	?
mod_cgi	+
`mod_digest`	+
mod_dir	+
mod_so	-	no shared libs
mod_env	+
mod_example	-	(test bed only)
mod_expires	+
mod_headers	+
mod_imagemap	+
mod_include	+
mod_info	+
`mod_log_agent`	+
`mod_log_config`	+
mod_log_referer	+
mod_mime	+
mod_mime_magic	?	not ported yet
mod_negotiation	+
mod_proxy	+
mod_rewrite	+	untested
mod_setenvif	+
mod_speling	+
mod_status	+
mod_unique_id	+
mod_userdir	+
mod_usertrack	?	untested

Module

Status

Notes

core

mod_access

mod_actions

mod_alias

mod_asis

mod_auth

mod_authn_anon

mod_authn_dbm

with own libdb.a

mod_authz_dbm

with own libdb.a

mod_autoindex

mod_cern_meta

mod_cgi

mod_digest

mod_dir

mod_so

no shared libs

mod_env

mod_example

(test bed only)

mod_expires

mod_headers

mod_imagemap

mod_include

mod_info

mod_log_agent

mod_log_config

mod_log_referer

mod_mime

mod_mime_magic

not ported yet

mod_negotiation

mod_proxy

mod_rewrite

untested

mod_setenvif

mod_speling

mod_status

mod_unique_id

mod_userdir

mod_usertrack

untested

Module

Status

Notes

mod_jserv
-

JAVA still being ported.

mod_php3

mod_php3 runs fine, with LDAP and GD - and FreeType libraries.

mod_put

untested

mod_session

untested

- - Æ÷ÆÃ¿¡ ´ëÇØ¼ - -

-
¼Ò½ºÀÇ º¯È´Â µÎ°¡Áö #ifdef·Î ±¸ºÐÇÒ - ¼ö ÀÖ´Ù:
- -
-
#ifdef - CHARSET_EBCDIC
- -
-
¸ðµç EBCDIC±â¹Ý ÄÄÇ»ÅÍ¿¡ ÇÊ¿äÇÑ ÄÚµå. ¹®ÀÚº¯È¯, - µÎ ¹®ÀÚÁýÇÕ°£ÀÇ ¿¬¼ÓµÈ ¹®ÀÚ°ª Â÷ÀÌ, ¾î¶² HTTP ÇÁ·ÎÅäÄÝ - ºÎºÐÀÌ º¯È¯µÇ¾ß ÇÏ´ÂÁö¸¦ ¾Ë·ÁÁÖ´Â Ç¥½Ã µî.
-
- -
#ifdef _OSD_POSIX
- -
-
SIEMENS BS2000/OSD ¸ÞÀÎÇÃ·¹ÀÓ ÇÃ·¹Æû¿¡¸¸ ÇÊ¿äÇÑ - ÄÚµå. BS2000/OSD ÇÃ·¹Æû¿¡¸¸ ÇÊ¿äÇÑ Çì´õÆÄÀÏ Â÷ÀÌ¿Í - ¼ÒÄÏ ±¸Çö ¹®Á¦¸¦ ´Ù·é´Ù.
-
-
-
-
¼ÒÄÏ ¼öÁØ¿¡¼ ASCII¿Í EBCDIC°£ º¯È´Â (BS2000 POSIX¿¡´Â - ÀÌ ±â´ÉÀ» Áö¿øÇÏ´Â ¼ÒÄÏ ¿É¼ÇÀÌ ÀÖ´Ù) HTTP ÇÁ·ÎÅäÄÝ ¼öÁØ¿¡¼ - Àü¼ÛµÇ´Â ÀÚ·á¿¡ ÇÁ·ÎÅäÄÝ°ü·Ã ¹®ÀÚ¿°ú ÇÁ·ÎÅäÄÝ°ú ¹«°üÇÑ - ÀÏ¹ÝÆÄÀÏÀÌ ¼¯¿©ÀÖ±â¶§¹®¿¡ ÀÇµµÀûÀ¸·Î »ç¿ëÇÏÁö - ¾Ê¾Ò´Ù. HTTP ÇÁ·ÎÅäÄÝ ¹®ÀÚ¿Àº (GET - ¿äÃ», Header: ÁÙ, ±âÅ¸ Á¤º¸ µî.) Ç×»ó ASCII - Çü½ÄÀÌ°í, ÆÄÀÏÀü¼Û ºÎºÐÀº (Áï, GIF ±×¸², CGI - Ãâ·Â µî.) ¼¹ö°¡ Ç×»ó "º¯È¯ÇÏÁö¾Ê°í ±×³É" º¸³»¾ß - ÇÑ´Ù. ¼¹ö ÄÚµå´Â "ÇÁ·ÎÅäÄÝ ¹®ÀÚ¿"°ú "ÀÏ¹Ý ÀÚ·á"¸¦, - ¹®ÀÚ¿¿¡´Â bgets()³ª rvputs(), - ¹ÙÀÌ³Ê¸® ÀÚ·á¿¡´Â bgets()³ª - rvputs() ÇÔ¼ö¸¦ »ç¿ëÇÏ¿© ±¸º°ÇÑ´Ù. ±×·¯¹Ç·Î - ¹«Á¶°Ç ¸ðµç °ÍÀ» º¯È¯ÇÏ´Â °ÍÀº ÀûÀýÇÏÁö ¾Ê´Ù.
- -
(¹°·Ð ¹®ÀÚÆÄÀÏÀÇ °æ¿ì EBCDIC ¹®¼¸¦ Ç×»ó ASCII·Î - ¼ºñ½ºÇÏµµ·Ï ÁØºñÇØ¾ß ÇÑ´Ù)
-
-
±×·¡¼ Æ÷ÆÃ¿¡´Â (ÄÄÆÄÀÏ·¯°¡ EBCDIC ¹®ÀÚ¿·Î º¯È¯ÇÑ) - ¼¹ö ³»ºÎ ¹®ÀÚ¿°ú ¼¹ö°¡ »ý¼ºÇÑ ¹®¼¸¦ ±âº» ÇÁ·ÎÅäÄÝ - ¼öÁØ¿¡¼ º¯È¯ÇÏ´Â ±â´ÉÀÌ ÀÖ´Ù. ¼¹ö ÄÚµå¿¡ »êÀçµÈ ASCII - escape¹®ÀÚ \012¿Í \015´Â ¿¹¿Ü´Ù: - ÀÌµéÀÌ ÀÌ¹Ì ASCII \n°ú \rÀÇ - ¹ÙÀÌ³Ê¸® °ªÀÌ±â¶§¹®¿¡ ASCII·Î µÎ¹ø º¯È¯ÇÏ¸é ¾ÈµÈ´Ù. - ÀÌ ¿¹¿Ü´Â ¼¹ö°¡ »ý¼ºÇÑ ¹®ÀÚ¿¿¡¸¸ Àû¿ëµÈ´Ù; ¿ÜºÎ - EBCDIC ¹®¼´Â ASCII ÁÙ¹Ù²Þ¹®ÀÚ¸¦ Æ÷ÇÔÇÏ¸é ¾ÈµÈ´Ù.
-
-
BUFF °ü¸®ÇÔ¼ö¸¦ »ç¿ëÇÏ´Â ¹æ¹ýÀ» »ìÆìº» ÈÄ ³ª´Â ¸ðµç - puts/write/get/gets°¡ °ÅÄ¡°ÔµÇ´Â "ebcdic/ascii º¯È¯ - °èÃþ"À» Ãß°¡ÇÏ°í, µ¿ÀûÀ¸·Î º¯È¯À¯¹«¸¦ ¼³Á¤ÇÒ ¼ö ÀÖ´Â - º¯È¯ Ç¥½Ã¸¦ Ãß°¡Çß´Ù. ¹®¼°¡ ¿øº»(ÆÄÀÏÀÌ³ª CGI Ãâ·Â)¿¡¼ - ´ë»ó(¿äÃ»ÇÑ Å¬¶óÀÌ¾ðÆ®)À¸·Î ÀÌµ¿ÇÒ¶§ Ç×»ó ÀÌ °èÃþÀ» - µÎ¹ø Áö³´Ù: ÆÄÀÏ -> ¾ÆÆÄÄ¡, ¾ÆÆÄÄ¡ - -> Å¬¶óÀÌ¾ðÆ®.
- -
¼¹ö´Â ÀÌÁ¦ EBCDIC Çü½ÄÀ¸·Î µÈ CGI ½ºÅ©¸³Æ® Ãâ·ÂÀÇ - Çì´õÁÙÀ» ÀÐ°í, ³ª¸ÓÁö ½ºÅ©¸³Æ® Ãâ·ÂÀÌ ASCIIÀÓÀ» ¾Ë¾Æ³¾ - ¼ö ÀÖ´Ù (WWW ¹æ¹®ÀÚ¼ö¸¦ ¼¼´Â ÇÁ·Î±×·¥°ú °°Àº °æ¿ì: ¹®¼ - ³»¿ëÀº GIF ±×¸²ÀÌ´Ù). ±âº» EBCDIC Çü½ÄÀ¸·Î ¸ðµç Çì´õ¸¦ - Ã³¸®ÇÑ´Ù; ±×·± ´ÙÀ½ ¼ºñ½ºÇÒ ¹®¼ÀÇ type¿¡ µû¶ó ¼¹ö´Â - ¹®¼ ³»¿ëÀÌ ÀÌ¹Ì ASCIIÀÎÁö È¤Àº EBCDIC¿¡¼ º¯È¯À» ÇØ¾ß - ÇÏ´ÂÁö °áÁ¤ÇÑ´Ù.
-
-
(MIME typeÀÌ text/plain, text/html µî) ³»¿ëÀÌ - ÀÏ¹Ý ¹®ÀÚÀÎ ¹®¼¸¦ ¾Ï¹¬ÀûÀ¸·Î ASCII·Î º¯È¯ÇÏ°Å³ª, (»ç¿ëÀÚ¿¡°Ô - ºü¸£°Ô ¼ºñ½ºÇÏ±âÀ§ÇØ ¹Ì¸® ¹®¼¸¦ ASCII Çü½ÄÀ¸·Î ÀúÀåÇÏ¿´°Å³ª - NFS·Î ¸¶¿îÆ®ÇÑ µð·ºÅä¸®¿¡ ÆÄÀÏÀÌ ÀÖ´Â °æ¿ì) º¯È¯¾øÀÌ - ¼ºñ½ºÇÒ ¼ö ÀÖ´Ù.
- -
¿¹:
- -
ÀÌ¸§ÀÌ .ahtml·Î ³¡³ª´Â ÆÄÀÏÀ» ¾Ï¹¬ÀûÀÎ - º¯È¯¾øÀÌ ASCII text/html ¹®¼·Î (±×¸®°í - .ascii È®ÀåÀÚ´Â ASCII - text/plainÀ¸·Î) ¼ºñ½ºÇÏ·Á¸é ´ÙÀ½ Áö½Ã¾î¸¦ - »ç¿ëÇÑ´Ù:
- - - AddType text/x-ascii-html .ahtml
- AddType text/x-ascii-plain .ascii - - -
¶Ç, text/foo ½ÄÀÇ MIME typeÀ» - AddType "text/x-ascii-foo" - ¼³Á¤ÇÏ¿© "ÀÏ¹Ý ASCII"·Î ¼ºñ½ºÇÒ ¼ö ÀÖ´Ù.
-
-
³»¿ëÀÌ ÀÏ¹Ý ¹®ÀÚ°¡ ¾Æ´Ñ ¹®¼´Â º¯È¯¾øÀÌ Ç×»ó "¹ÙÀÌ³Ê¸®"·Î - ¼ºñ½ºÇÑ´Ù. ¿¹¸¦ µé¾î, GIF/ZIP/AU ÆÄÀÏÇü½Ä¿¡ - °¡Àå ÀûÇÕÇÑ ¼±ÅÃÀÌ´Ù. ¹°·Ð »ç¿ëÀÚ´Â "rcp -b" - ¹ÙÀÌ³Ê¸® ¿É¼ÇÀ» »ç¿ëÇÏ¿© ÆÄÀÏÀ» ¸ÞÀÎÇÃ·¹ÀÓ È£½ºÆ®·Î - º¹»çÇß¾î¾ß ÇÑ´Ù.
-
-
¼¹öÆÄ½Ì ÆÄÀÏÀº Ç×»ó ÄÄÇ»ÅÍ°¡ »ç¿ëÇÏ´Â ±âº» Çü½ÄÀ¸·Î - (Áï, EBCDIC) ÀúÀåµÇ¾ú´Ù°í °¡Á¤ÇÏ°í, Ã³¸®ÈÄ¿¡ - º¯È¯ÇÑ´Ù.
-
-
CGI Ãâ·ÂÀÇ °æ¿ì CGI ½ºÅ©¸³Æ®°¡ º¯È¯ÀÌ ÇÊ¿äÇÑÁö °áÁ¤ÇÑ´Ù: - ÀûÀýÇÑ Content-TypeÀ» ¼³Á¤ÇÏ¿©, ¹®ÀÚÆÄÀÏÀº º¯È¯ÇÏ°í, - GIF Ãâ·ÂÀº º¯È¯¾øÀÌ º¸³¾ ¼ö ÀÖ´Ù. ¿ì¸®°¡ Æ÷ÆÃÇÑ wwwcount - ÇÁ·Î±×·¥ÀÌ ÈÄÀÚÀÇ °æ¿ì´Ù.
-

- -

¸ðµâ	»óÅÂ	ºñ°í
core	+
mod_access	+
mod_actions	+
mod_alias	+
mod_asis	+
mod_auth	+
mod_auth_anon	+
mod_auth_dbm	?	ÀÚÃ¼ `libdb.a`¸¦ »ç¿ëÇÏ¿©
mod_autoindex	+
mod_cern_meta	?
mod_cgi	+
`mod_digest`	+
mod_dir	+
mod_so	-	°øÀ¯¶óÀÌºê·¯¸®°¡ ¾øÀ½
mod_env	+
mod_example	-	(½ÃÇè ´Ü°è)
mod_expires	+
mod_headers	+
mod_imagemap	+
mod_include	+
mod_info	+
`mod_log_agent`	+
`mod_log_config`	+
mod_log_referer	+
mod_mime	+
mod_mime_magic	?	¾ÆÁ÷ Æ÷ÆÃ¾ÈµÊ
mod_negotiation	+
mod_proxy	+
mod_rewrite	+	Å×½ºÆ®¾ÈµÊ
mod_setenvif	+
mod_speling	+
mod_status	+
mod_unique_id	+
mod_userdir	+
mod_usertrack	?	Å×½ºÆ®¾ÈµÊ

¸ðµâ

»óÅÂ

ºñ°í

core

mod_access

mod_actions

mod_alias

mod_asis

mod_auth

mod_auth_anon

mod_auth_dbm

mod_autoindex

mod_cern_meta

mod_cgi

mod_digest

mod_dir

mod_so

°øÀ¯¶óÀÌºê·¯¸®°¡ ¾øÀ½

mod_env

mod_example

(½ÃÇè ´Ü°è)

mod_expires

mod_headers

mod_imagemap

mod_include

mod_info

mod_log_agent

mod_log_config

mod_log_referer

mod_mime

mod_mime_magic

¾ÆÁ÷ Æ÷ÆÃ¾ÈµÊ

mod_negotiation

mod_proxy

mod_rewrite

Å×½ºÆ®¾ÈµÊ

mod_setenvif

mod_speling

mod_status

mod_unique_id

mod_userdir

mod_usertrack

Å×½ºÆ®¾ÈµÊ

¸ðµâ

»óÅÂ

ºñ°í

mod_jserv
-

JAVA´Â Æ÷ÆÃÁßÀÌ´Ù.

mod_php3

mod_php3´Â LDAP, GD, FreeType ¶óÀÌºê·¯¸®¿Í - ÇÔ²² Àß µ¿ÀÛÇÑ´Ù.

mod_put

Å×½ºÆ®¾ÈµÊ

mod_session

Å×½ºÆ®¾ÈµÊ