Linux NETMEETING HOWTOBrent BaccalaSchiffersMartinKomarinskiMark F.Conversion from HTML to DocBook 3.1°íÁöÈÆ
1. ¼Ò°³ÀÌ ¹®¼´Â Linux NETMEETING HOWTO ÀÌ¸ç ¸¶ÀÌÅ©·Î ¼ÒÇÁÆ® ³Ý¹ÌÆÃÀ» Linux¿¡¼ ÀÌ¿ëÇÒ ¼ö ÀÖ´Â ¹æ¹ý¿¡ ´ëÇÏ¿© ¼¼úÇÏ°í ÀÖ½À´Ï´Ù. °¡Àå ÃÖ±Ù ¹öÀüÀº ´ÙÀ½ÀÇ URL¿¡¼ ãÀ» ¼ö ÀÖ½À´Ï´Ù. http://www.freesoft.org/software/NetMeeting ¶Ç´Â Linux Documentation Project ³Ý¹ÌÆÃÀº ³×Æ®¿öÅ©¿¡¼ À½¼º°ú ¿µ»óÀ» Áö¿øÇÏ´Â ±¹Á¦ÀûÀΠǥÁØ ÄÁÆÛ·±½º ÇÁ·ÎÅäÄÝÀÎ H.323À» ½ÇÇàÇÏ´Â ÇÁ·Î±×·¥ÀÔ´Ï´Ù. ³Ý¹ÌÆÃÀº ¶ÇÇÑ ¾îÇø®ÄÉÀÌ¼Ç °øÀ¯¿Í ÆÄÀÏ Àü¼Û ±×¸®°í ÈÀÌÆ®º¸µå¶ó´Â Ä¥ÆǼº°ÝÀÇ ÇÁ·Î±×·¥µµ Áö¿øÇÏ´Â T.120 ÇÁ·ÎÅäÄݵµ Áö¿øÇÏ°í ÀÖ½À´Ï´Ù. ½ÇÇàÇÒ ¶§´Â µð·ºÅ͸® ¼ºñ½º·Î LDAP¸¦ ÀÌ¿ëÇÕ´Ï´Ù. ³Ý¹ÌÆÃÀº À©µµ¿ì 2000¿¡´Â ±âº»ÀûÀ¸·Î Æ÷ÇԵǾî ÀÖ°í, ´ÙÀ½ÀÇ URL¿¡¼ À©µµ¿ì 95, 98 ±×¸®°í NT ¿ëÀ» ÀÚÀ¯·Ó°Ô ´Ù¿î ¹ÞÀ» ¼ö ÀÖ½À´Ï´Ù. http://www.microsoft.com/windows/netmeeting ¸®´ª½º´Â ÇöÀç(2000³â 10¿ù) H.323(À½¼º ¿µ»ó ¸ðµÎ) ÇÁ·ÎÅäÄÝÀ» Áö¿øÇϸç LDAP µð·ºÅ͸® ¼ºñ½ºµµ ¶ÇÇÑ Áö¿øÇÏ°í ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ ¾îÇø®ÄÉÀÌ¼Ç °øÀ¯¿Í ÆÄÀÏ Àü¼Û ±×¸®°í ÈÀÌÆ®º¸µå°¡ °¡´ÉÇÑ T.120 ÇÁ·ÎÅäÄÝÀº ¾ÆÁ÷ Áö¿øÇÏÁö ¾Ê°í ÀÖ½À´Ï´Ù. H.323 ´ëÇؼ ¸ð¸¥½Å´Ù¸é, ´ÙÀ½ÀÇ »çÀÌÆ®¸¦ ¹æ¹®ÇÏ´Â °ÍÀ» ÃßõÇÕ´Ï´Ù: LDAP¿¡ ´ëÇؼ ¸ð¸£½Å´Ù¸é, ´ÙÀ½ÀÇ »çÀÌÆ®¸¦ ¹æ¹®ÇØ º¸½Ã´Â °ÍÀ» ÃßõÇÕ´Ï´Ù: ´ç½ÅÀÌ ÃßõÇϰųª ȤÀº º» ¹®¼¿¡ Á¦¾ÈÇÒ »çÇ×ÀÌ ÀÖÀ¸½Ã´Ù¸é ´ÙÀ½ÀÇ À̸ÞÀÏ ÁÖ¼Ò·Î ¿¬¶ô Áֽñ⠹ٶø´Ï´Ù.
º» ¹ø¿ª¿¡ ´ëÇؼ Ʋ¸° Á¡À̳ª ÁöÀûÇØ ÁÖ½Ç »çÇ×ÀÌ ÀÖÀ¸½Ã¸é ´ÙÀ½ÀÇ À̸ÞÀÏ ÁÖ¼Ò·Î ¿¬¶ô Áֽñ⠹ٶø´Ï´Ù.
2. OpenH3232.1. OpenH323 ¶õ?OpenH323À̶õ H.323 ÇÁ·ÎÅäÄÝÀ» Áö¿øÇÏ´Â ¿ÀÇ ¼Ò½º ÇÁ·Î±×·¥ÀÔ´Ï´Ù. ÀÌ°ÍÀº ¸¶ÀÌÅ©·Î¼ÒÇÁÆ® ³Ý¹ÌÆðú ÇÔ²² ¹Ù·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ÇöÀç (2000³â 10¿ù) °è¼Ó °³¹ß ÁßÀ̸ç, ¹ö±×¸¦ ¼öÁ¤ÇÏ°í ÀÖ½À´Ï´Ù¸¸ À¯¿ëÇÕ´Ï´Ù. OpenH323Àº ¿©·¯ °³ÀÇ C++¶óÀ̺귯¸®¿Í ¸î¸îÀÇ C++Ŭ¶óÀ̾ðÆ® ÇÁ·Î±×·¥À¸·Î ±¸¼ºµÇ¾î ÀÖ½À´Ï´Ù. °¡Àå À¯¿ëÇÑ ÇÁ·Î±×·¥µé : 표 1. List of client applications
OpenH323Àº ÇöÀç (2000³â 10¿ù) À½¼º codecs G.711, G.723.1, LPC-10, and GSM 06.10, °ú ¿µ»ó codec H.261 ÄÚµ¦À» Áö¿øÇÏ°í ÀÖ½À´Ï´Ù. 2.2. ¹«¾ùÀÌ ÇÊ¿äÇÑ°¡?OpenH323Àº ´ç½ÅÀÌ ´ç½ÅÀÇ ¸®´ª½º ½Ã½ºÅÛ¿¡¼ Á÷Á¢ ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ®·Î À½¼º°ú ¿µ»ó ¿¬°áÀ» ¸¸µé°íÀÚ ÇÒ ¶§ ¾¹´Ï´Ù. OpenH323Àº ³Ý¹ÌÆà ÇÁ·Î±×·¥¿¡ LDAP µð·ºÅ͸® ¼ºñ½º¸¦ Á¦°øÇϴµ¥´Â ÇÊ¿äÇÏÁö ¾Ê½À´Ï´Ù. 2.3. ¾îµð¼ OpenH323À» ¾òÀ» ¼ö ÀÖ³ª?¸ÞÀÎ »çÀÌÆ®´Â http://www.openh323.org/ ÀÔ´Ï´Ù. ±×¸®°í ÀÌ »çÀÌÆ®¿¡´Â ´Ù¿î·Îµå ÆäÀÌÁö, ¹Ì·¯ »çÀÌÆ®, ¸ÞÀϸµ ¸®½ºÆ®¿Í ´Ù¸¥ Á¤º¸¸¦ Á¦°øÇÕ´Ï´Ù. OhPhone, OpenAM, PSTNgw ´Â Ç¥ÁØ ºÐ¹è ¹æ½ÄÀ¸·Î ÀÌ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ µéÀº ¼Ò½º¿Í ½ÇÇà ÆÄÀÏ ¸ðµÎ¸¦ ¾òÀ» ¼ö ÀÖ½À´Ï´Ù¸¸, forwarder ¿Í openmcu ´Â 2000³â 12¿ù ÇöÀç "forwarder" and "openmcu" ¶ó´Â ¸ðµâÀ̸§À¸·Î CVS ¾ÐÃàÀ¸·Î¸¸ ¾òÀ» ¼ö ÀÖ½À´Ï´Ù. 2.4. ¼³Ä¡OhPhone, OpenAM, PSTNgw ´Â ´Ù¿î·ÎµåÇؼ ½ÇÇàÇÏ¸é µË´Ï´Ù. forwarder¿Í openmcu°¡ ÇÊ¿äÇÏ´Ù¸é ¼Ò½º¸¦ ÄÄÆÄÀÏÇؼ ½ÇÇàÆÄÀÏÀ» ¸¸µé¾î¾ß ÇÕ´Ï´Ù. ¹°·Ð pwlib ¿Í openh323 ¶óÀ̺귯¸®°¡ ÇÊ¿äÇÕ´Ï´Ù. ÆíÁýµÈ ¸Å´º¾óÀº OpenH323 »çÀÌÆ®¿¡¼ ¾òÀ¸½Ç ¼ö ÀÖ½À´Ï´Ù. 2.5. GatekeepersOpenH323Àº gatekeeper¸¦ Áö¿øÇÏÁö ¾Ê½À´Ï´Ù. ÇÏÁö¸¸ ¸î¸îÀº ÇöÀç ÇØ´ç ¶óÀ̺귯¸®¸¦ ±âÃÊ·Î ¸¸µé¾îÁö°í ÀÖ½À´Ï´Ù. 2000³â ¸» ÇöÀç ´ëºÎºÐÀÌ È°¹ßÇÏ°Ô °³¹ßµÇ°Å³ª °ÅÀÇ ¿Ï¼º´Ü°è¿¡ À̸£°í ÀÖ½À´Ï´Ù. ¾ÆÁ÷±îÁö »ç¿ëÇØ º¸Áö´Â ¸øÇßÀ¸³ª, ¿øÇÏ½Å´Ù¸é ´ÙÀ½ÀÇ ¸µÅ©¿¡¼ ¾òÀ¸½Ç ¼ö ÀÖ½À´Ï´Ù. : (¹ø¿ªÀÚ ÁÖ)gatekeeper¸¦ µû·Î ¹ø¿ªÇÏÁö ¾Ê¾Ò½À´Ï´Ù. °£´ÜÇÏ°Ô Á¤ÀÇ ÇÏÀÚ¸é H.323ÀÇ °¡Àå Áß¿äÇÑ ºÎºÐ ÁßÀÇ ÇϳªÀ̸ç, ÁÖ°í ¹Þ´Â ½ÅÈ£¸¦ ÄÜÆ®·ÑÇØ ÁÖ´Â ÀÏÀ» ÇÕ´Ï´Ù. 3. NetMeeting directory kit3.1. NetMeeting directory kit À̶õ?°¢ ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ®µéÀº LDAP¼¹ö¿¡ µî·ÏµÉ ¼ö ÀÖ¾î¾ß ÇÕ´Ï´Ù. ±×¸®°í, ÇϳªÀÇ À©µµ¿ì¿¡¼ °°Àº ¼¹ö¿¡ µî·ÏµÈ ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ®µéÀÇ ¸ñ·ÏÀ» º¼ ¼ö ÀÖ¾î¾ß ÇÕ´Ï´Ù. NetMeeting directory kit ´Â ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ®¿¡°Ô µð·ºÅ͸® ¼ºñ½º¸¦ Á¦°øÇÏ´Â OpenLDAP ¼¹öÀÇ È®ÀåÆÑÀÔ´Ï´Ù. 3.2. ¿Ö NetMeeting directory kit °¡ ÇÊ¿äÇÑ°¡?³Ý¹ÌÆÃÀº ƯÁ¤ÇÑ IPÁÖ¼Ò³ª DNS³×ÀÓÀ» ÁöÁ¤ÇÏ´Â °ÍÀ¸·Î ´Ù¸¥ H.323ÀåÄ¡¿¡ Á¢¼ÓÇÒ ¼ö ÀÖ½À´Ï´Ù.? ÇÏÁö¸¸, ÀϹÝÀûÀ¸·Î´Â LDAP µð·ºÅ͸® ¼¹ö¸¦ ÁÖ·Î ÀÌ¿ëÇÕ´Ï´Ù. LDAP¸¦ ÀÌ¿ëÇÑ´Ù´Â °ÍÀº »ç¿ëÀÚ°¡ »ç¿ë °¡´ÉÇÑ ¸ñÀû ÁÖ¼ÒµéÀÇ µð·ºÅ͸® ¸ñ·ÏÀ» º¼ ¼ö ÀÖ´Ù´Â °ÍÀ» ÀǹÌÇÕ´Ï´Ù. ¿¹¸¦ µé¾î¼ ÇϳªÀÇ IP ÁּҷκÎÅÍ H.323À» ÀÌ¿ëÇÏ´Â ´Ù¸¥ ÄÄÇ»ÅÍ·Î? ¿¬°áµÇ´Â °ÍÀ» ¿øÇÒ ¶§, ´Ù¸¥ ÄÄÇ»ÅÍ°¡ »ç¿ëÇÏ´Â º°¸íÀ» Çص¶ÇÏ´Â °ÍÀÌ ÇÊ¿äÇÕ´Ï´Ù. ÀÌ ¶§, NetMeeting directory kit °¡ »ç¿ëµË´Ï´Ù. ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ®´Â ¿©·¯ ¹æ¹ýÀ¸·Î LDAPÇÁ·ÎÅäÄÝÀ» À§¹ÝÇÒ ¼ö ÀÖ½À´Ï´Ù. ±×·¡¼ ´ç½ÅÀÌ Ç¥ÁØ LDAP¼¹ö¸¦ »ç¿ëÇÏ·Á°í ½ÃµµÇÑ´Ù¸é ¹®Á¦°¡ »ý±æ ¼öµµ ÀÖ½À´Ï´Ù. NetMeeting directory kit ´Â ¹ß»ýÇÒ Áöµµ ¸ð¸£´Â ¹®Á¦µéÀ» ÇØ°áÇØ ÁÖ°í, OpenLDAP ¼¹ö°¡ ³Ý¹ÌÆà µð·ºÅ͸® ¼¹ö·Î ÀÌ¿ëµÉ ¼ö ÀÖ°Ô ÇØÁÝ´Ï´Ù. 3.3. ¾î¶»°Ô ÀÛµ¿Çϳª
µð·ºÅ͸® ¼¹ö´Â Request¸¦ ¹Þ´Â 'master' LDAP ¼¹ö¿Í ¸¶ÀÌÅ©·Î ¼ÒÇÁÆ® ³Ý¹ÌÆÃÀÇ request¸¦ ¹Ù¸£°Ô ¹ø¿ªÇÒ ¼ö ÀÖ´Â Perl script, ±×¸®°í °¨ÃçÁø LDAP ¼¹öÀÇ ÁúÀǸ¦ ÀÌÇØÇÒ ¼ö ÀÖ´Â ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ® ÀÛµ¿ Æ÷¸Ëµé·Î ±¸¼ºµË´Ï´Ù. OpenLDAPÀÇ 'shell backend'´Â Perl script¸¦ È£ÃâÇϴµ¥ »ç¿ëµË´Ï´Ù. Ä¿½ºÅÒ ½ºÅ°¸¶µµ ¿ä±¸µË´Ï´Ù. ½ºÅ©¸³Æ®´Â ŸÀӾƿô ¿¡·¯¿Í ÀÛµ¿ÇÏÁö ¾Ê´Â ¸ðµç ¿¡·¯¸¦ Æ÷ÇÔÇÑ ¸ðµç ¹®Á¦¸¦ °ü¸®ÇÒ ¼ö ÀÖ¾î¾ß ÇÕ´Ï´Ù. 3.4. ¾îµð¼ ¼ÒÇÁÆ®¿þ¾î¸¦ ¾ò³ª?¿ì¼± OpenLDAP ¼ÒÇÁÆ®¿þ¾î°¡ ÇÊ¿äÇÕ´Ï´Ù.
´ÙÀ½ÀÇ »çÀÌÆ®¿¡¼ OpenLDAP¸¦ ´Ù¿î ¹ÞÀ» ¼ö ÀÖ½À´Ï´Ù.. ftp://ftp.OpenLDAP.org/pub/OpenLDAP/openldap-release/ or any mirror. NetMeeting directory kit´Â ´ÙÀ½ÀÇ »çÀÌÆ®¿¡¼ ´Ù¿î ¹ÞÀ» ¼ö ÀÖ½À´Ï´Ù. http://www.freesoft.org/software/NetMeeting/download. ´ÙÀ½ÀÇ »çÀÌÆ®¿¡¼ http://www.perl.org, ¹ÞÀ» ¼ö ÀÖ´Â Perl 5°¡ ÇÊ¿äÇÏÁö¸¸, ´ëºÎºÐ ¸®´ª½º ¹èÆ÷ÆÇ¿¡´Â PealÀÌ ÀÌ¹Ì Æ÷ÇԵǾî ÀÖ½À´Ï´Ù. ¶ÇÇÑ Perl¿¡ ÀνºÅçµÇ°í ´Ù¿î ÇÒ ¼ö ÀÖ´Â Perl CPAN archive·ÎºÎÅÍ ¾òÀ» ¼ö ÀÖ´Â Net::LDAP ¸ðµâÀÌ ÇÊ¿äÇÕ´Ï´Ù.
Àü¿¡ CPANÀ» »ç¿ëÇÏÁö ¾Ê¾Ò´Ù¸é, ¸ÕÀú ±¸¼ºÁú¹®¿¡ ´äÇØ¾ß ÇÒ °ÍÀÔ´Ï´Ù. Çѹø ÀÌ¶óµµ CPANÀ» ±¸¼ºÇß´Ù¸é, Net::LDAP ¸ðµâÀº ÀÚµ¿À¸·Î ´Ù¿î, ÄÄÆÄÀÏ, ÀνºÅç µÉ °ÍÀÔ´Ï´Ù. 3.5. ¼³Ä¡OpenLDAP¸¦ ¼³Ä¡Çϱâ À§Çؼ´Â ¾à 60MBÀÇ µð½ºÅ© ¿ë·®ÀÌ ÇÊ¿äÇÕ´Ï´Ù. open-ldap-2.0.x.tgz¸¦ Ç®°í ±¸¼ºÇÕ´Ï´Ù.
Now build and install it with:
ÇÁ·Î±×·¥Àº ÀϹÝÀûÀ¸·Î ´ÙÀ½ÀÇ µð·ºÅ͸® ¹Ø¿¡ ¼³Ä¡ µÉ °Í ÀÔ´Ï´Ù./usr/local: 표 2. OpenLDAP °¡ »ç¿ëÇÏ´Â µð·ºÅ͸®
OpenLDAP¸¦ ÀνºÅçÇÑ ÈÄ ÇÏ´Â ´ÙÀ½ ÀÛ¾÷Àº ³Ý¹ÌÆà µð·ºÅ͸® Å°Æ®¸¦ ¼³Ä¡ÇÏ´Â °ÍÀÔ´Ï´Ù. ´ÙÀ½ ¸í·É¾î·Î ndk.tgz¸¦ ¾ÐÃàÇØÁ¦ÇÕ´Ï´Ù Untar ndk.tgz. ¾ÕÀÇ ÆÄÀÏÀº ´ÙÀ½ÀÇ ÆÄÀϵéÀ» °¡Áö°í ÀÖ½À´Ï´Ù. 표 3. NetMeeting directory kit ÆÄÀϵé
netmeeting.perl ÆÄÀÏÀ» /usr/local/libexec µð·ºÅ͸®¿¡ netmeeting.schema ÆÄÀÏÀº /usr/local/etc/openldap/schema µð·ºÅ͸®¿¡ º¹»çÇÕ´Ï´Ù. ±×¸®°í slapd.conf¿Í slapd2.conf¸¦ /usr/local/etc/openldap µð·ºÅ͸®¿¡ Ä«ÇÇÇÕ´Ï´Ù. LDAP µ¥ÀÌŸº£À̽º¸¦ ÀúÀåÇϱâ À§Çؼ ´ÙÀ½ÀÇ µð·ºÅ͸®¸¦ ¸¸µé°í ¸ðµç »ç¶÷ÀÌ »ç¿ëÇÒ ¼ö ÀÖµµ·Ï Æ۹̼ÇÀ» ¿¾îÁÝ´Ï´Ù. /usr/local/var/openldap-netmeeting ƯÈ÷ µð·ºÅ͸®¸¦ º¯°æÇϱ⸦ ¿øÇϽŴٸé slapd.conf and slapd2.conf µÎ°³ÀÇ ÆÄÀÏÀ» ¼öÁ¤ÇÏ°í ¼³Á¤À» º¯°æÇϽñ⠹ٶø´Ï´Ù. µÎ°³ÀÇ slapd¸¦ ½ÇÇàÇÒ ÇÊ¿ä°¡ ÀÖÀ» °ÍÀÔ´Ï´Ù.
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ºñµð¿À ÄÁÆÛ·±½Ì°ú ÄÚµ¦ ¼±ÅÃ, ÀÚµ¿ ÀÀ´äµî Ãß°¡ÀûÀÎ »çÇ׿¡ ´ëÇؼ ohphoneÀÇ ¹®¼¿¡¼ È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù. 4.2. Directory OperationÀ§¿¡¼ ±â¼úÇÑ °Í°ú °°ÀÌ ³Ý¹ÌÆà µð·ºÅ͸® Å°Æ®·Î µ¿ÀÛÇÏ´Â LDAP¼¹ö¸¦ °¡Áö°í ÀÖ´ÂÁö È®ÀÎÇØ¾ß ÇÕ´Ï´Ù. On the NetMeeting client, select the Tools -> Options ³Ý¹ÌÆà ÇÁ·Î±×·¥¿¡¼ ¼³Á¤ âÀ» ¿±âÀ§ÇØ Tools -> Options À» ¼±ÅÃÇÕ´Ï´Ù. "General" (NetMeeting 3) ȤÀº "Calling"(NetMeeting 2) ÅÜ¿¡ "Directory Settings"À̶ó´Â ºÎºÐÀÌ ÀÖ½À´Ï´Ù. ¿©±â¿¡ ´ç½Å ¼¹öÀÇ DNS name ȤÀº IPÁÖ¼Ò¸¦ ÀÔ·ÂÇÒ ¼ö ÀÖ½À´Ï´Ù. "Log on to directory server when NetMeeting starts" üũ¹Ú½º¸¦ ¼±ÅÃÇÑ´Ù¸é, ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ®´Â ÀÚµ¿À¸·Î ¼¹ö¿¡ ÀÚµ¿À¸·Î ¿¬°áÇÏ°í µî·ÏÇÏ°Ô µË´Ï´Ù. ¶ÇÇÑ Call -> Log on À» ¼±ÅÃÇÏ¿© ½º½º·Î µð·ºÅ͸® ¼¹ö¿¡ Á¢¼Ó ÇÒ ¼ö ÀÖ½À´Ï´Ù. »ç¿ëÀÚ°¡ Call -> Directory ¼±ÅÃÇß´Ù¸é LDAP¼¹ö¿¡ µî·ÏµÈ ¸ðµç »ç¿ëÀÚ¸¦ º¸¿©Áִ âÀÌ ¶ß°Ô µË´Ï´Ù. »ç¿ëÀÚÁß ÇѸíÀÇ À̸§À» ´õºí Ŭ¸¯ÇÏ¸é ±× »ç¿ëÀÚ ¿¬°áµË´Ï´Ù. ¸®´ª½º¿¡¼ NetMeeting LDAP serverÀÇ ÁúÀÇ´Â Á¦´ë·Î µ¿ÀÛÇÕ´Ï´Ù. ÇÏÁö¸¸ ÀÌ°ÍÀº ¼ÓÀÓ¼ö°¡ ¾Æ´Õ´Ï´Ù. ¿Ö³ÄÇÏ¸é ¸ðµç Ŭ¶óÀ̾ðÆ® IPÁÖ¼Ò´Â µµÆ® ½ÊÁø¼ö°¡ ¾Æ´Ñ ½ÊÁø¼ö·Î ÀúÀåµÇ±â ¶§¹®ÀÔ´Ï´Ù. ¿¹¸¦ µé¸é IP ÁÖ¼Ò 63.216.69.197´Â 3309688895·Î ÀúÀåµË´Ï´Ù. ¿©±â¿¡ ³Ý¹ÌÆà IP ÁÖ¼Ò Çü½ÄÀ» µµÆ® ½ÊÁø¼ö¿Í ½ÊÁø¼ö·Î º¯È¯ÇÒ ¼ö ÀÖ´Â ÆÞ Äڵ尡 ÀÖ½À´Ï´Ù.
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4.5. ¿©·¯°³ÀÇ º°¸í(Aliase) »ç¿ëÇϱâ³Ý¹ÌÆà Ŭ¶óÀ̾ðÆ®¿¡ ÀÇÇؼ µî·ÏµÈ attributeµéÀº 'sport'¸¦ Æ÷ÇÔÇÕ´Ï´Ù. TCP Æ÷Æ® ³Ñ¹ö´Â È£ÃâµÇ´Â H.323 ¿ä±¸¸¦ µéÀ» ¼ö ÀÖ½À´Ï´Ù. ±×·¯³ª ÀÌ attribute´Â ã±â ¿äû ¾È¿¡¼ Àý´ë·Î °¡Á®¿Ã ¼ö ¾ø½À´Ï´Ù. ÀÌ°ÍÀº À¯¿ëÇÏÁö ¾Ê´Â °Í °°½À´Ï´Ù. »ç½Ç»ó, ³Ý¹ÌÆÃÀº Ç×»ó 1720Æ÷Æ®·Î H.323 Ä¿³Ø¼ÇÀ» ¿¬°áÇÏ°í ÀÖ½À´Ï´Ù. ±×·¸´Ù¸é ½Ì±Û IP ÁּҷκÎÅÍ ´ÙÁßÀÇ º°¸íÀ» ¾î¶»°Ô »ç¿ëÇÒ ±î¿ä? ¿¼è´Â OpenH323 CVS archive¿¡ Æ÷ÇԵǾî ÀÖ´Â forwarderÇÁ·Î±×·¥ÀÌ ÇÏ´Â ÀÏ¿¡ ÀÖ½À´Ï´Ù. forwarder´Â 1720Æ÷Æ®¿¡¼ Ä¿³Ø¼ÇÀÌ ÀÖ´ÂÁö Ç×»ó ±â´Ù¸³´Ï´Ù. ±×¸®°í È£ÃâµÇ¾îÁø º°¸íµéÀ» ±âÃÊ·Î ¿¬°áµéÀ» Àç Àü¼ÛÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ°ÍÀº ohphone À̳ª openam °°Àº ÇÁ·Î±×·¥ÀÌ »ç¿ëÇϴ ƯÁ¤ Æ÷Æ® ³Ñ¹ö·Î °¢ À͸íÀÌ Àü¼ÛµÇ¾îÁö´Â È£ÃâµéÀ» Çã¿ëÇÕ´Ï´Ù. º°¸íÀ» ÀÌ¿ëÇϱâ À§Çؼ´Â °¢ º°¸í¸¶´Ù entry¸¦ °¡Áö°í ÀÖ´Â LDAPµð·ºÅ͸®°¡ ¿ä±¸ µË´Ï´Ù. °¢ º°¸í entry´Â º°¸íÀÇ 'cn' attribute¿Í forwarder°¡ »ìÇÇ°í Àִ ȣ½ºÆ®ÀÇ IP ÁÖ¼ÒÀÇ 'sipAddress' attribute·Î Á¤ÀÇ µÇ¾ß ÇÕ´Ï´Ù. ³ª´Â ¼º°øÀûÀ¸·Î ´Ù¾çÇÑ ÇÁ¶óÀ̺ø Æ÷Æ®¿Í ¸®¸ðÆ® ½Ã½ºÅÛ »ó¿¡¼ ÇϳªÀÇ È£½ºÆ®·Î LDAP ¼¹ö(Æ÷Æ® 389)¿Í forwarder(Æ÷Æ® 1720) ±×¸®°í ohphone¿Í openam Ŭ¶óÀ̾ðÆ®¸¦ ±¸¼ºÇÒ ¼ö ÀÖ¾ú½À´Ï´Ù. 4.6. ÀÚµ¿ ÀÀ´ä±â »ç¿ëÇϱâOpenH323ÀÇ ÀÚµ¿ÀÀ´ä±â ÇÁ·Î±×·¥ÀÎ openamÀº H.323 ¿¬°á È£ÃâµéÀ» µéÀ» ¼ö ÀÖ½À´Ï´Ù. ±×¸®°í ¹Ì¸® ³ìÀ½µÈ ¸Þ½ÃÁö¸¦ Àç»ý ÇÒ ¼ö ÀÖ°í ¾î¶°ÇÑ À½¼ºµµ ÆÄÀÏ·Î º¸³»¾î ³ìÀ½ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¿¬°á ¿äûÀÇ ³¡¿¡¼ ³ìÀ½µÈ À½¼ºÀ» À̸ÞÀÏ·Î º¸³»´Â °Í°ú °°Àº ´Ù¸¥ ÇÁ·Î±×·¥À» ½ÇÇàÇÒ ¼ö ÀÖµµ·Ï ¼±ÅÃÀûÀ¸·Î ±¸¼ºÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ ÀÚµ¿ÀÀ´ä ÇÁ·Î±×·¥Àº ÇöÀç(2000³â 12¿ù) main address¿¡ ´äº¯ÀÌ ¾øÀ» ¶§ ¿¬°á ¿äûÀ» Àç Àü¼ÛÇÒ ¼ö ¾ø½À´Ï´Ù.
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±×¸®ÇÏ¿©, ÀÌ ÀÚµ¿ÀÀ´ä ÇÁ·Î±×·¥Àº ohphone ÇÁ·Î±×·¥ÀÌ
4.7. Conference CallsOpenH323 CVS archive ¾È¿¡ ÀÖ´Â openmcuÇÁ·Î±×·¥Àº H.323 Multipoint Control Unit (MCU)À» ¼öÇàÇÕ´Ï´Ù. ¿©·¯ °³ÀÇ ³Ý¹ÌÆà ȤÀº ohphoneŬ¶óÀ̾ðÆ®µéÀÌ ÄÁÆÛ·±½º ÄÝ°ú MCU·Î ¿¬°áÇÒ ¼ö ÀÖ°Ô ÇØ ÁÝ´Ï´Ù. 2000³â 12¿ù ±îÁö ´ÙÁß ¿¬°áÀÇ ½Å·Úµµ¿Í Ç°ÁúÀº Á» ¹®Á¦°¡ ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ Èñ¸ÁÀûÀ¸·Î °³¼± µÇ¾î °¡°í ÀÖ½À´Ï´Ù. 4.8. Routing Calls Through NATH.323 Æ®·¹ÇÈÀÌ NAT(IP Masquerade) ¶ó¿ìÅ͸¦ Åë°ú Çϱâ À§Çؼ´Â Ưº°ÇÑ µµ¿òÀÌ ¿ä±¸ µË´Ï´Ù. NAT ¶ó¿ìÅÍ°¡ ¸®´ª½º¿¡¼ ½ÇÇàµÇ°í ÀÖ´Ù¸é ´ÙÀ½ »çÀÌÆ®¿¡ ÀÖ´Â masquerading ¸ðµâÀÌ µµ¿òÀÌ µÉ °Í ÀÔ´Ï´Ù http://www.coritel.it/projects/sofia/nat.html.
4.9. ÀϹÝÀûÀÎ ±¸¼ºµé¼¹öÀÇ È°¿ëÀº 'netmeeting.perl' ½ºÅ©¸³Æ®¸¦ ¼öÁ¤Çؼ ±¸¼º ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¸é ÀÌ¿ëÇÒ ¼ö ¾ø´Â entryÀÇ ¿äûÀº openam ÀÚµ¿ÀÀ´ä ÇÁ·Î±×·¥¿¡°Ô Á¢±ÙÇÒ ¼ö ¾øµµ·Ï ±¸¼ºµÈ "forwarder" ÇÁ·Î±×·¥À¸·Î ÀçÀü¼Û µÉ ¼ö ÀÖ¾î¾ß ÇÕ´Ï´Ù. ÀÌ¿Í °°ÀÌ ÀÌ¿ëÇÒ ¼ö ¾ø´Â »ç¿ëÀÚ¿¡ ´ëÇÑ ¿¬°á ¿äûÀº ³ìÀ½µÇ°í ÀÀ´äµÉ ¼ö ÀÖÀ» °ÍÀÔ´Ï´Ù. OpenH323'sÀÇ °³¹ßÀÌ Áö¼ÓµÊ¿¡ µû¶ó, ±â¼úÀÌ Áö´ÉÈ µÇ´Â °ÍÀ» ±â´ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¸é ¸ÕÀú º§ÀÌ ¿ï¸®°Å³ª ÁÖ¾îÁø ½Ã°£¿¡ ÀÀ´äÀÌ ¾ø´Ù¸é ÀÚµ¿ÀÀ´ä±â·Î ¿äûÀÌ Àü¼ÛµÇ´Â °Í°ú °°Àº °Í ¸»ÀÔ´Ï´Ù. ¾î¶² ±â´ÉµéÀº gatekeeper¾È¿¡ °ÅÀÇ Æ÷Ç﵃ °ÍÀÔ´Ï´Ù. 5. ¹ö±×Àâ±â³Ý¹ÌÆà µð·ºÅ͸® Å°Æ®¸¦ µð¹ö±ëÇϱâ À§Çؼ´Â Brent Baccala ´Â ÆäŶÀ» ÃßÀûÇϱâ À§Çؼ ethereal(http://ethereal.zing.org/)À» ÀÌ¿ëÇϵµ·Ï Á¦¾È Çß½À´Ï´Ù. ÀÌ°ÍÀº LDAP¸¦ Áö¿øÇϱ⿡ ¸Å¿ì ÁÁ½À´Ï´Ù. ¶ÇÇÑ ¾ð±ÞµÇÁö ¾Ê´Â "netmeeting.perl" ½ºÅ©¸³Æ® Áß ÀÌ·¯ÇÑ ÃßÀû±â´ÉÀ» ÀÌ¿ëÇÒ ¼ö ÀÖ´Â ¿É¼ÇÀÌ ÀÖ½À´Ï´Ù. ´ç½ÅÀº ¶ÇÇÑ -d 768 ¿É¼ÇÀ» ÀÌ¿ëÇÏ¿© slapds¸¦ ½ÇÇàÇÏ¿© µð¹ö±ë ÇÒ ¼ö ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ ¸Þ½ÃÁö°¡ Á» È¥¶õ½º·¯¿ï ¼ö ÀÖ½À´Ï´Ù. H.323À» µð¹ö±ë Çϱâ À§Çؼ´Â ¸ðµç OpenH323 Ŭ¶óÀ̾ðÆ® ÇÁ·Î±×·¥¿¡ "-t" and "-o" ¿É¼ÇÀ» »ç¿ëÇϽñ⠹ٶø´Ï´Ù. A. LDAP attributes used by NetMeetingDistinguished Names (DNs) used by NetMeeting must always end in "objectclass=rtperson". The following LDAP attributes are used by NetMeeting: 표 A-1. NetMeeting LDAP attributes
NetMeeting uses a non-standard means of refreshing dynamic entries. The Microsoft server maintains an "sttl" attribute, which is a time to live for the entry in minutes. A search request for attribute "sttl" resets the timer. If the timer goes to zero, the entry is supposed to disappear from the database. Of course, the sttl attribute doesn't actually exist in the database, and the client doesn't bother to give us the whole DN it wants updated, only supplying the "cn" component in the search request. B. NetMeeting LDAP protocol violationsAs mentioned, NetMeeting violates the LDAP protocol in several ways. For the record, NetMeeting:
C. Interoperation with CiscoBoth NetMeeting and OpenH323 can interoperate with Cisco's voice capable routers. To successfully initiate calls from a Cisco to an OpenH323 (i.e, Linux) client, the G.711 codec must be explicitly specified. For example, with the following configuration, dialing "911" on the Cisco will place a call to a Linux system (10.1.1.1) running OpenH323:
To call from Linux to a Cisco, use ohphone
with a
To call from NetMeeting to a Cisco, select the Cisco as a gateway. To do this from NetMeeting, select Tools->Options. For NetMeeting 2, select Audio, check the box labeled "Use H.323 gateway", and enter the Cisco's DNS or IP address. For NetMeeting 3, select General+Advanced Calling..., check the box labeled "Use a gateway..." (not gatekeeper) and enter the Cisco's address. Now, you can type a phone number directly into NetMeeting's address panel and it will be relayed to the Cisco and resolved there, using the Cisco's configured dialing rules. If you're using NetMeeting 2, you'll need to select "H.323 Gateway" from the "Call using:" list when you initiate the call. D. ¹ø¿ªÀÚÀÇ µ¡ºÙÀÌ´Â ±Û´ëºÎºÐÀÇ ±ÛÀ» Çѱ۷Π¹ø¿ªÇß½À´Ï´Ù. ±×Áß ¿ë¾îµéÀº ¿µ¾î¸¦ ±×´ë·Î ¾²°íÀÚ Çß½À´Ï´Ù.(¾û¼ºÇÑ ¿ë¾î ¹ø¿ªÀº ±ÛÀ» Àдµ¥ ´õ ºÒÆíÀ» µå¸± °Í °°¾Æ¼...) ÀÌ ¹®¼¿¡ Ʋ¸° ºÎºÐÀ̳ª ÁöÀûÇÏ½Ç »çÇ×ÀÌ ÀÖÀ¸½Ã¸é ¿¬¶ô Áֽñ⠹ٶø´Ï´Ù. |
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