¸®´ª½º¿¡¼­ Diald¸¦ »ç¿ëÇÏ¿© ISDN¶ó¿ìÅÍ ¸¸µé±â ±è±â¼ö baram88@soback.kornet.net 1999.05.21 5.1¹ø°¼öÁ¤ 1999.04.19óÀ½¾¸ À̹®¼­´Â Diald¸¦ »ç¿ëÇÏ¿© ISDNÀ̳ª ¸ðµ©À» ÅëÇÑ ÀÎÅͳݿ¬°á¹æ¹ý°ú ´Ù¸¥ PCµé°ú ȸ¼±À» °øÀ¯ÇÏ´Â ¹æ¹ýÀ» ¼³¸íÇÏ°íÀÚ ÇÕ´Ï´Ù. ______________________________________________________________________ ¸ñÂ÷ 1. °³¿ä 2. ³×Æ®¿÷ȯ°æ ¸¸µé±â 2.1 ¿©·¯´ë¸¦ ·£È¯°æÀ¸·Î ¹­±â 2.2 ¸®´ª½º ¹Ú½º¸¦ ³×Æ®¿÷¿¡ ¿¬°áÇÏ°í ³×Æ®¿÷ ¼³Á¤À» ÇÑ´Ù. 3. ¸®´ª½º ¹Ú½º¿¡¼­ Diald ¼³Ä¡ ¹× ¼³Á¤ 3.1 Áغñ¹° 3.2 Diald ¹Þ¾Æ¿À±â 3.3 Diald ¼³Ä¡ 3.4 diald.conf È­ÀÏ ¼öÁ¤ 3.5 connectÈ­ÀÏ ¼öÁ¤ 3.6 Passwd¼³Á¤ 3.7 ¸®´ª½º DNS¼³Á¤ 3.8 phone.filter ¼öÁ¤ 3.9 Diald ½ÇÇà 4. ´Ù¸¥ PC¿¡¼­ ISDNÀ» ÅëÇÑ ÀÎÅͳݼ­ºñ½º °øÀ¯Çϱâ 4.1 ¸®´ª½º¹Ú½º IP Masquerade ¼³Á¤ 4.2 ¸¶½ºÄÉ·¹À̵ù ¸ðµâ ¶ç¿ì±â 4.3 À©µµ¿ì95¿¡¼­ÀÇ ³×Æ®¿÷¼³Á¤(Ŭ¶óÀ̾ðÆ®) 5. ÀÌÈÄ °³¼±¹æÇâ 6. °á·Ð 7. Áú¹®°ú ´ë´ä ______________________________________________________________________ 1. °³¿ä ¸®´ª½º ¹Ú½º¿¡¼­ ISDN 1ȸ¼±(ÀÏ¹Ý ¸ðµ©µµ »ó°ü¾ø½À´Ï´Ù.)À¸·Î ¿©·¯´ëÀÇ ÄÄÇ»ÅÍ°¡ ÀÎÅͳÝÀ» °øÀ¯Çؼ­ »ç¿ëÇÏ´Â ¹æ¹ýÀ» ¼Ò°³ ÇÏ°íÀÚ ÇÕ´Ï´Ù. ÀϹÝÀûÀ¸·Î ½ÃÁß¿¡¼­ ±¸ÇÒ¼ö ÀÖ´Â ISDN ¶ó¿ìÅÍ´Â Á¢¼ÓÇÏ°íÀÚÇÏ´Â ³×Æ®¿÷¿¡ µû¶ó ÀüÈ­¸¦ µû·Î °É¾îÁÖ´Â ¹æ½ÄÀÌ ¾Æ´Ï¶ó ÇÑ°÷¸¸¸¦ ÁöÁ¤ÇÏ¿© ÀüÈ­¸¦ °É¾î¼­ Á¢¼ÓÇØ ÁÖ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. ÁÖ·Î ISP·Î ÀüÈ­¸¦ °Ì´Ï´Ù. ÀÌ·± ¿ªÇÒÀº ¸®´ª½º·Î ¾î·ÆÁö ¾Ê°Ô ¸¸µé¼ö ÀÖ½À´Ï´Ù. Àú´Â ¾ËÂ¥ ·¡µåÇÞ 5.2 ¹öÀü°ú ÄÚ³Ý °èÁ¤ ±×¸®°í Diald¸¦ ±âÁØÀ¸·Î ¼³¸íÇÏ°íÀÚÇÕ´Ï´Ù. ´Ù¸¥ ȯ°æÀ¸·Î ¼º°øÇÏ½Ã¸é ¸ÞÀÏ ºÎŹµå¸³´Ï´Ù. ±×¸®°í ¸ÞÀÏ È¯¿µÇÕ´Ï´Ù. ¾î¶² ÀÇ°ßÀÌ¶óµµ º¸³»ÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù. 2. ³×Æ®¿÷ȯ°æ ¸¸µé±â 2.1. ¿©·¯´ë¸¦ ·£È¯°æÀ¸·Î ¹­±â °¢°¢ÀÇ PC¿¡ LAN Ä«µå¸¦ ¼³Ä¡ÇÏ°í Çãºê¶ó´Â Àåºñ¸¦ ÅëÇØ ³×Æ®¿÷À¸·Î ¿¬°áÇÕ´Ï´Ù. ÀÚ¼¼ÇÑ ¼³¸íÀº ´Ù¸¥ ¹®¼­¸¦ Âü°í ÇϽñ⠹ٶø´Ï´Ù. 2.2. ¸®´ª½º ¹Ú½º¸¦ ³×Æ®¿÷¿¡ ¿¬°áÇÏ°í ³×Æ®¿÷ ¼³Á¤À» ÇÑ´Ù. À̳»¿ëµµ ´Ù¸¥ ¹®¼­¸¦ Âü°íÇϼÌÀ¸¸é ÇÕ´Ï´Ù. 3. ¸®´ª½º ¹Ú½º¿¡¼­ Diald ¼³Ä¡ ¹× ¼³Á¤ 3.1. Áغñ¹° o ¿ÜÀåÇü NT³»ÀåÇü TA (¶Ç´Â ¸ðµ©) - ¿©±â¼­´Â ´ºÅØÀÇ ¿È´Ï¸ðµ¨ÀÔ´Ï´Ù. o ¸ÖƼ¸µÅ©PPP Á¦¾î¸í·É (Á¦Ç°¸Þ´º¾ó¿¡ ÀÖÀ» °Ì´Ï´Ù.) - ¸ðµ©Àº À̸í·ÉÀÌ ÇÊ¿ä ¾ø½À´Ï´Ù. o ISP °èÁ¤ (¿©±â¼­´Â ÄÚ³ÝÀ» ¿¹·Î µé¾ú½À´Ï´Ù.) o ISDN Á¢¼ÓÀüÈ­¹øÈ£ o ¾ÆÀ̵ð,Æнº¿öµå o DNS ÁÖ¼Ò o ¸®´ª½º¹Ú½º (Àú´Â ÆÒƼ¾ö 166 ÀÔ´Ï´Ù.) o ¾ËÂ¥ RedHat 5.2 ( 9,900¿ø¿¡ ±¸ÀÔÇؼ­ ¼³Ä¡Çß½À´Ï´Ù.) o Diald o diald16-0.16.5a-2.i386.rpm 159038 byte o diald16-config-0.16.5a-2.i386.rpm 6233 byte 3.2. Diald ¹Þ¾Æ¿À±â Redhat ¹Ì·¯»çÀÌÆ®ÀÎ º¸¶ó³Ý¿¡¼­ ¹Þ½À´Ï´Ù. ¿¡¼­ diald16-0.16.5a-2.i386.rpm diald16-config-0.16.5a-2.i386.rpm È­ÀÏÀ» ´Ù¿î·Îµå ¹Þ½À´Ï´Ù. [kskim@ja kskim]$ ncftp ftp.bora.net [Enter] bora> cd /pub/Linux/redhat-contrib/libc6/i386/ [Enter] bora> mget diald16* [Enter] <---- ÀÌ·¯¸é ¹Þ±â ½ÃÀÛÇÕ´Ï´Ù. bora> bye {Enter] <---- ¸ðµÎ ¹Þ°í³ª¸é Á¾·áÇÕ´Ï´Ù. [kskim@ja kskim]$ ls -l [Enter] total 19431 -rw-r--r-- 1 kskim kskim 159038 Mar 28 20:53 diald16-0.16.5a-2.i386.rpm -rw-r--r-- 1 kskim kskim 6233 Mar 28 20:54 diald16-config-0.16.5a-2.i386.rpm ÀÌÁ¦ ¹Þ¾ÆÁ® ÀÖ´Â °ÍÀ» È®ÀÎÇÒ¼ö ÀÖ½À´Ï´Ù. 3.3. Diald ¼³Ä¡ root °èÁ¤À¸·Î ¼³Ä¡ ÇÏ¼Å¾ß ÇÕ´Ï´Ù. [kskim@ja kskim]$ su [Enter] Password: <--- root Æнº¿öµåÀÔ·ÂÈÄ [¿£ÅÍ] [root@ja kskim]# rpm -Uvh diald16* [Enter] ÇÏ½Ã¸é ¼³Ä¡°¡ µÇ¾ú½À´Ï´Ù. [root@ja kskim]# cd /etc/diald [Enter] [root@ja diald]# ls -l [Enter] <--- È®ÀÎÇØ º¸¸é total 14 -rwx------ 1 root root 3414 Apr 20 12:38 connect* -rw-r--r-- 1 root root 1342 May 3 09:50 diald.conf prw-rw---- 1 root wheel 0 May 3 11:46 diald.ctl| -rw-r--r-- 1 root root 1235 Mar 28 13:51 diald.defs -rw-r--r-- 1 root root 5905 May 3 09:56 phone.filter ±×¸®°í ³ª¼­ diald.conf¸¦ /etc µð·º·Î¸®¿¡ ½Éº¼¸¯¸µÅ© ½Ãŵ´Ï´Ù. [root@ja diald]# cd /etc [Enter] [root@ja etc]# ln -s /etc/diald/diald.conf /etc/diald.conf [Enter] ±×·¯¸é conf È­ÀϱîÁö ³¡. 3.4. diald.conf È­ÀÏ ¼öÁ¤ /etc/diald.conf È­ÀÏÀ» ¼öÁ¤ÇÕ´Ï´Ù. ______________________________________________________________________ # # diald.conf for anathoth # # Select the demand dial rules you want # Bring the link up for anything, timeout in seconds. Use this for # when the dompute has its own phone line accept any 420 any <---- À̺κÐÀ» '#'·Î ¸·½À´Ï´Ù. #accept any 420 any <---- ÀÌ·¸°Ô.. # Use the filter file that comes with diald. This can be a bit drastic, # so use the filter below # include /usr/lib/diald/standard.filter # or use the filter that brings the link up for use on a line shared with # a phone # include /etc/diald/phone.filter <---- À̺κÐÀ» '#'¸¦ Áö¿ó´Ï´Ù. include /etc/diald/phone.filter <---- ÀÌ·¸°Ô... # stuff to set up the diald connection #device /dev/modem <--- À̺κÐÀ» Àڽſ¡°Ô ¸Â°Ô ¹Ù²ß´Ï´Ù. device /dev/ttyS1 <--- ÀÌ·¸°Ô.. (ÀÚ½ÅÀÇ ISDN TA³ª ¸ðµ© ¿¬°áÆ÷Æ® ¿©±â¼­´Â Com2) speed 115200 <--- TA³ª ¸ðµ©ÀÇ ¼Óµµ ¿©±â¼­´Â 115200bps lock mode ppp # We may get another terminal server, thus use # 'dynamic' and do not tell PPP the IP number of the other end # For use with gated, comment out the 'dynamic' option, and # set remote to be the same as local dynamic local 10.0.0.1 remote 10.0.0.2 # pppd-options name anappp : <---- À̺κÐÀ» pppd-options asyncmap 00000000 name bs0600 : <---- ÀÌ·¸°Ô... ...... ÀÚ½ÅÀÌ °¡ÀÔÇÑ ISPÀÇ Á¢¼Ó ID(°èÁ¤) # Delay sending packets for 5 seconds after PPP device opens - # this allows routes to be established back to the appropriate dialup server. up-delay 5 defaultroute modem crtscts connect /etc/diald/connect redial-timeout 10 fifo /etc/diald/diald.ctl # restrict 9:00:00 17:45:00 1 * * # or-restrict 9:00:00 17:45:00 2 * * # or-restrict 9:00:00 17:45:00 3 * * # or-restrict 9:00:00 17:45:00 4 * * # or-restrict 9:00:00 17:45:00 5 * * # up ______________________________________________________________________ device ¼³Á¤½Ã »ç¿ëÇÏ´Â ½Ã¸®¾óÆ÷Æ® ¼³Á¤Àº ´ÙÀ½°ú °°½À´Ï´Ù. com1 ---> /dev/ttyS0 com2 ---> /dev/ttyS1 com3 ---> /dev/ttyS2 com4 ---> /dev/ttyS3 ÀÚ¼¼ÇÑ ³»¿ëÀº Serial-HOWTO¹®¼­¸¦ Âü°íÇϽʽÿÀ. 3.5. connectÈ­ÀÏ ¼öÁ¤ ±×¸®°í ¼öÁ¤ÇÒ È­ÀÏÀº /etc/diald/connect ÀÔ´Ï´Ù. ______________________________________________________________________ #!/bin/sh # Copyright (c) 1996, Eric Schenk. # --- Áß°£ »ý·« --- # The initialization string for your modem #MODEM_INIT="ATZ&C1&D2%C0" <---- À̺κÐÀ» Àڽſ¡°Ô ¸Â°Ô ¹Ù²ß´Ï´Ù. ¸ðµ©ÃʱâÈ­ ¸í·É MODEM_INIT="ATB40&J3" <---- ÀÌ·¸°Ô.. (ÀÌ°ÍÀº ISDN TAÀÇ MLPPP Á¦¾î¸í·É) # The phone number to dial #PHONE_NUMBER="999111999" <---- À̺κÐÀ» PHONE_NUMBER="01414" <---- ÀÌ·¸°Ô ... (ÀÌ°ÍÀº ÄÚ³ÝISDNÁ¢¼Ó¹øÈ£) --- Áß°£ »ý·« --- # Success! message "Protocol started" ______________________________________________________________________ ISDNÀ¸·Î ÀÎÅͳݿ¡ 128KÁ¢¼ÓÀ» ÇÏ·Á¸é ISDN TA°¡ MultiLink PPP ¸ðµå·Î ¼³Á¤µÇ¾î¾ß ÇÕ´Ï´Ù. ISDN ¿ÜÀåTAÀÇ MultiLink PPP Á¦¾î¸í·ÉÀº ´Ü¸»±âÁ¦Á¶È¸»ç¸¶´Ù Ʋ¸³´Ï´Ù. ¿©±â¼­´Â ´ºÅØÀÇ ``¿È´Ï''¸ðµ¨ ÃʱâÈ­¸í·ÉÀÔ´Ï´Ù. Á¢¼ÓÀüÈ­¹øÈ£´Â ISP(ÀÎÅͳݰ¡ÀÔ¾÷ü)¸¶´Ù Ʋ¸³´Ï´Ù. ¿©±â¼­´Â ÄÚ³ÝÀÇ Á¢¼Ó¹øÈ£¸¦ Àû¾ú½À´Ï´Ù. ¸ðµ©À¸·Î ¿¬°á½Ã¿¡´Â ÃʱâÈ­¸í·É¿¡ 'ATZ'¶ó°í ÀûÀ¸½Ã¸é ¹«¸®°¡ ¾ø½À´Ï´Ù. 3.6. Passwd¼³Á¤ ±×¸®°í ISP Á¢¼ÓÀ» À§ÇÑ Passwd¼³Á¤À» ÇØ¾ß ÇÕ´Ï´Ù. ÀÎÅͳÝÁ¢¼ÓÀÌ °¡´ÉÇÏ´Ù¸é À̺κÐÀº ¹ú½á ¼³Á¤ÀÌ µÇ¾î ÀÖÀ» ¼öµµ ÀÖ½À´Ï´Ù. ¸¸¾à ¼³Á¤ÀÌ ¾ÈµÇ¾îÀÖ´Ù¸é ¼³Á¤À» ÇÕ´Ï´Ù. ISDNÀ¸·Î ISP·Î ¿¬°áÇϰųª À©µµ¿ì95·Î ¿¬°á½Ã »ç¿ëÇÏ´Â ¹æ½ÄÀÌ PAP ÀÎÁõ ¹æ½ÄÀÔ´Ï´Ù. ¼öÁ¤ÇÒ È­ÀÏÀº /etc/ppp/pap-secrets - Passwd¸¦ ¼³Á¤ÇÏ´Â È­ÀÏ ÀÔ´Ï´Ù. ÀÔ´Ï´Ù. /etc/ppp/pap-secrets È­ÀÏ ³»¿ëÀÔ´Ï´Ù. ______________________________________________________________________ # Secrets for authentication using PAP # client server secret IP addresses bs0600 * 1234 - ÀÌ·±½ÄÀ¸·Î Àû¾îÁÖ¸é µË´Ï´Ù. jungang * 1234 - ´Ù¸¥ °èÁ¤ÀÌ ¶Ç ÀÖ´Ù¸é... jungang ppp0 1234 jungang ppp1 1234 ______________________________________________________________________ ID°¡ bs0600 Æнº¿öµå°¡ 1234¶ó¸é À§¿Í °°ÀÌ Àû¾îÁÝ´Ï´Ù. ±×·¯¸é Çѹø È®ÀÎÇØ º¸°Ú½À´Ï´Ù. [kskim@ja ppp]# ls -l total 5 -rw------- 1 root daemon 78 Jun 8 1998 chap-secrets -rwxr-xr-x 1 root root 265 Oct 16 1998 ip-down* -rwxr-xr-x 1 root root 349 Oct 16 1998 ip-up* -rw-r--r-- 1 root daemon 5 Jun 8 1998 options -rw------- 1 root daemon 300 Apr 16 10:13 pap-secrets <---- ÀÌÈ­ÀÏÀÌ ¼öÁ¤µÇ¾ú½À´Ï´Ù. 3.7. ¸®´ª½º DNS¼³Á¤ ±×¸®°í ÀÎÅͳÝÀ» ¿Ã¹Ù·Î È°¿ëÇÏ·Á¸é DNS (µµ¸ÞÀγ×ÀÓ¼­¹ö) ¼³Á¤À» ÇØ¾ß ÇÕ´Ï´Ù. µµ¸ÞÀÎ ÁÖ¼Ò ¿¹¸¦ µéÀÚ¸é soback.kornet.netÀ» 168.126.3.3 ¶ó´Â IPÁÖ¼Ò·Î ¹ø¿ªÀ» ÇØÁÖ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. ¼öÁ¤ÇÒ È­ÀÏÀº /etc/resolv.conf ______________________________________________________________________ search kt.co.kr co.kr com <---- µÞºÎºÐÀ» »ý·«ÇßÀ» ¶§ ã¾Æº¸´Â µµ¸ÞÀÎ nameserver 127.0.0.1 <---- ¸®´ª½º¹Ú½º¿¡¼­ ÀÚü ³×ÀÓ¼­¹ö¸¦ ¿î¿µÇÒ °æ¿ì nameserver 168.126.63.1 <---- »ç¿ëÇÏ´Â ISPÀÇ DNSÁÖ¼Ò ¿©±â¼­´Â ÄÚ³ÝÀÇ °æ¿ì nameserver 168.126.63.2 <---- »ç¿ëÇÏ´Â ISPÀÇ º¸Á¶DNSÁÖ¼Ò ______________________________________________________________________ ¸®´ª½º ¹Ú½º¿¡¼­ DNS µ¥¸óÀ» ¶ç¿ìÁö ¾Ê´Â´Ù¸é 127.0.0.1 À» ÀûÁö ¸¶¼¼¿ä. ±×¸®°í ¿©±â¼­ DNSÁÖ¼Ò´Â ÀÎÅͳݼ­ºñ½º¸¦ ¹Þ´Â ISP·Î ¹®ÀÇÇÏ½Ã¸é ¾Ë¼ö ÀÖ½À´Ï´Ù. 3.8. phone.filter ¼öÁ¤ ÇÊ¿äÇϽźÐÀº ¼öÁ¤ÇϽñ⠹ٶø´Ï´Ù. ÀÌÈ­ÀÏÀº ``ƯÁ¤ ÆÐŶ»ç¿ëÈÄ ¾ó¸¶ÀÇ ½Ã°£ÀÌ °æ°úÇÑ ÈÄ Á¢¼ÓÀ» ²÷À» °ÍÀΰ¡?'' ¸¦ ¼³Á¤ÇÏ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. ´ÜÀ§´Â ÃÊ ÀÔ´Ï´Ù. À̺κÐÀº Àúµµ Á¤È®È÷ ¸ð¸£°Ú½À´Ï´Ù. /usr/doc/diald16-0.16.5a/ ¾È¿¡ ¼³¸íÀÌ ÀÖÀ¸´Ï ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù. ¼öÁ¤ÇÒ È­ÀÏÀº /etc/diald/phone.filter ÀÔ´Ï´Ù. ______________________________________________________________________ # This is a pretty complicated set of filter rules. # (These are the rules I use myself.) # --- Áß°£»ý·« --- # NOTE: Your /etc/services may not define the tcp service www, in which # case you should comment out the following two lines or get a more # up to date /etc/services file. See the FAQ for information on obtaining # a new /etc/services file. accept tcp 240 tcp.dest=tcp.www <--- À¥»ç¿ë½Ã »ç¿ëÀÌ ³¡³­ ÈÄ 240ÃÊ°¡ accept tcp 240 tcp.source=tcp.www °æ°úÇϸé ÀüÈ­¸¦ ²÷½À´Ï´Ù. # Once the link is no longer live, we try to shut down the connection # quickly. Note that if the link is already down, a state change # will not bring it back up. keepup tcp 5 !tcp.live ignore tcp !tcp.live # an ftp-data or ftp connection can be expected to show reasonably frequent # traffic. accept tcp 240 tcp.dest=tcp.ftp <--- FTP»ç¿ëÈÄ 240ÃÊ°¡ °æ°úÇϸé Á¢¼ÓÀ» ²÷½À´Ï´Ù. accept tcp 240 tcp.source=tcp.ftp --- Áß°£»ý·« --- # If we don't catch it above, give the link 10 minutes up time. # accept tcp 600 any accept tcp 300 any <--- 10ºÐÀÌ ±æ¾î¼­ 5ºÐÀ¸·Î ¹Ù²å½À´Ï´Ù. --- Áß°£»ý·« --- # Anything else gest 2 minutes. accept udp 120 any # Catch any packets that we didn't catch above and give the connection # 30 seconds of live time. accept any 30 any <--- Á¤ÀǵÇÁö ¾ÊÀº °ÍµéÀº 2ºÐÈÄ Á¢¼ÓÀ» ²÷½À´Ï´Ù. ______________________________________________________________________ 3.9. Diald ½ÇÇà ÀÌÁ¦ Diald¸¦ ½ÇÇàÇÕ´Ï´Ù. [root@ja diald]# /etc/rc.d/init.d/diald start [Enter] Diald Á¾·á´Â [root@ja diald]# /etc/rc.d/init.d/diald stop [Enter] Ä¡½Ã¸é µË´Ï´Ù. ½ÇÇàÈÄ Á¦´ë·Î ¿¬°áµÇ¾ú´ÂÁö Ping Test¸¦ Çغ¾´Ï´Ù. [kskim@ja kskim]$ping home.hitel.net [Enter] ÈÄ Á¶±Ý ±â´Ù¸®¼¼¿ä PING home.hitel.net (203.245.15.254): 56 data bytes 64 bytes from 203.245.15.254: icmp_seq=0 ttl=249 time=117.7 ms 64 bytes from 203.245.15.254: icmp_seq=1 ttl=249 time=60.1 ms 64 bytes from 203.245.15.254: icmp_seq=2 ttl=249 time=60.1 ms 64 bytes from 203.245.15.254: icmp_seq=3 ttl=249 time=60.1 ms 64 bytes from 203.245.15.254: icmp_seq=4 ttl=249 time=60.1 ms 64 bytes from 203.245.15.254: icmp_seq=5 ttl=249 time=60.1 ms 64 bytes from 203.245.15.254: icmp_seq=6 ttl=249 time=60.1 ms 64 bytes from 203.245.15.254: icmp_seq=7 ttl=249 time=70.1 ms --- home.hitel.net ping statistics --- 8 packets transmitted, 8 packets received, 0% packet loss round-trip min/avg/max = 60.1/68.5/117.7 ms ÀüÈ­°¡ °É·Á°¡°í À§¿Í °°ÀÌ Àß µ¿ÀÛ ÇÕ´Ï´Ù. ½ÇÇàµÇ¾ú´ÂÁö´Â ¾Æ·¡ ¸í·ÉÀ¸·Î È®Àΰ¡´ÉÇÕ´Ï´Ù. [kskim@ja kskim]$/sbin/ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0 UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1 RX packets:7329 errors:0 dropped:0 overruns:0 frame:0 TX packets:7329 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 eth0 Link encap:Ethernet HWaddr 00:60:97:5B:1A:BD inet addr:168.248.138.150 Bcast:168.248.138.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:168416 errors:4 dropped:0 overruns:0 frame:7 TX packets:202300 errors:0 dropped:0 overruns:0 carrier:201 collisions:2479 Interrupt:10 Base address:0x6400 sl0 Link encap:Serial Line IP <---- ½ÇÇàµÈ°ÍÀ» ³ªÅ¸³À´Ï´Ù. °¡»ó µð¹ÙÀ̽ºÀÔ´Ï´Ù. inet addr:10.0.0.1 P-t-P:10.0.0.2 Mask:255.0.0.0 UP POINTOPOINT RUNNING MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:136 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 ppp0 Link encap:Point-to-Point Protocol <--- Áö±Ý ÀüÈ­°¡ °É¸° »óÅÂÀÔ´Ï´Ù. inet addr:168.126.43.10 P-t-P:168.126.43.2 Mask:255.255.0.0 UP POINTOPOINT RUNNING MTU:1500 Metric:1 RX packets:1204 errors:0 dropped:0 overruns:0 frame:0 TX packets:1382 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 Memory:2bd9038-2bd9c04 [kskim@ja kskim]$/sbin/route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.0.0.2 * 255.255.255.255 UH 1 0 0 sl0

168.126.43.2 * 255.255.255.255 UH 0 0 0 ppp0 168.248.138.0 * 255.255.255.0 U 0 0 314 eth0 127.0.0.0 * 255.0.0.0 U 0 0 28 lo default * 0.0.0.0 U 0 0 35 ppp0 <--- ISP¿¡ Á¢¼ÓµÊ default * 0.0.0.0 U 1 0 80 sl0 <--- °¡»ó µð¹ÙÀ̽º 4. ´Ù¸¥ PC¿¡¼­ ISDNÀ» ÅëÇÑ ÀÎÅͳݼ­ºñ½º °øÀ¯Çϱâ WIN95°¡ ¼³Ä¡µÈ ´Ù¸¥ PC¿¡¼­ ¸®´ª½º ¹Ú½º¸¦ ÅëÇÏ¿© ÀÎÅͳÝÀ» °øÀ¯ ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¸®´ª½º¿¡¼­ IP Masquerade ¸¦ »ç¿ëÇÏ½Ã¸é µË´Ï´Ù. 4.1. ¸®´ª½º¹Ú½º IP Masquerade ¼³Á¤ ÀÚ¼¼ÇÑ ³»¿ëÀº ¿¡¼­ IP Masquerade mini HOWTO ÇÑ±Û ¹ø¿ªÆÇ ¹®¼­¸¦ ÂüÁ¶ÇϽñ⠹ٶó¸ç ¸¸¾à¿¡ ¼³Á¤ÀÌ µÇ¾î ÀÖ´Ù¸é Åë°úÇϽñ⠹ٶø´Ï´Ù. ¿©±â¼­´Â °£´ÜÇÏ°Ô ¼³¸íÀ» ÇÏ°Ú½À´Ï´Ù. ÀÏ´Ü root±ÇÇÑÀ¸·Î ÀÛ¾÷ÇÏ·Á¸é [kskim@ja kskim]$su [¿£ÅÍ] Passwd: <---¿©±â¼­ rootÀÇ Æнº¿öµå ÀÔ·ÂÈÄ [¿£ÅÍ]¸¦ Ĩ´Ï´Ù. ±×¸®°í³ª¼­ ¸ÕÀú IP Forwarding ÀÌ °¡´ÉÇϵµ·Ï ¸¸µé¾î ÁÝ´Ï´Ù. ¼öÁ¤ÇÒ È­ÀÏÀº /etc/sysconfig/network ÀÔ´Ï´Ù. ______________________________________________________________________ NETWORKING=yes FORWARD_IPV4="yes" <---- ¿©±â°¡ "yes"·Î µÇ¾î ÀÖ¾î¾ß ÇÕ´Ï´Ù. HOSTNAME="ja.kotel.co.kr" <---- ¿ä±â´Â PC¸¶´Ù Ʋ¸³´Ï´Ù. DOMAINNAME=kotel.co.kr <---- ¿ä±âµµ PC¸¶´Ù Ʋ¸³´Ï´Ù. GATEWAY="" <---- ¿©±â´Â ºñ¿ö³õ¾Æ¾ß ÇÕ´Ï´Ù. GATEWAYDEV="" <----¿©±âµµ ºñ¿ö ³õ¾Æ¾ß ÇÕ´Ï´Ù. ______________________________________________________________________ ±×¸®°í ³×Æ®¿÷ Àç½Ãµ¿ [root@ja kskim]#/etc/rc.d/init.d/network restart [¿£ÅÍ] ÇϽðí.. ±×¸®°í ipfwadmÀ¸·Î IP Masqerade ¸í·ÉÀ» ÁÝ´Ï´Ù. [root@ja kskim]#/sbin/ipfwadm -F -p deny [root@ja kskim]#/sbin/ipfwadm -F -a m -S 168.248.138.0/24 -D 0.0.0.0/0 [¿£ÅÍ]Ä¡½Ã¸é µË´Ï´Ù. ¿©±â¼­ 168.248.138.0/24 ´Â 168.248.138.0 ³×Æ®¿÷ÀÇ ¸ðµç È£½ºÆ®¿¡¼­ ¿ÜºÎ(ÄÚ³ÝÀ» ÅëÇÑ ÀÎÅͳÝ)À¸·Î Á¢¼ÓÀÌ °¡´ÉÇϵµ·Ï ÇØÁÖ´Â ¸í·ÉÀÔ´Ï´Ù. ´ÜÀÏ È£½ºÆ®¿¡°Ô¸¸ ¿­¾îÁÖ·Á¸é 168.248.138.145/32 ·Î ¿É¼ÇÀ» ÁÖ¸é 168.248.138.145È£½ºÆ® ¿¡¼­¸¸ ¿ÜºÎ·Î Á¢¼Ó°¡´ÉÇÕ´Ï´Ù. ±×¸®°í ºÎÆýà ¸¶´Ù ¹ø°Å·Ó°Ô ÀÔ·ÂÇϱ⠱ÍÂúÀ¸½Ã¸é /etc/rc.d/rc.local È­ÀÏ µÞºÎºÐ¿¡ ¾Æ·¡³»¿ëÀ» Ãß°¡ ______________________________________________________________________ /sbin/ipfwadm -F -p deny /sbin/ipfwadm -F -a m -S 168.248.138.0/24 -D 0.0.0.0/0 ______________________________________________________________________ ¸¦ Àû¾îÁÖ¸é µË´Ï´Ù. /etc/rc.d/rc.sysinit È­ÀÏ µÞºÎºÐ¿¡ Àû¾îÁּŵµ µË´Ï´Ù. 4.2. ¸¶½ºÄÉ·¹À̵ù ¸ðµâ ¶ç¿ì±â ±×¸®°í FTP³ª ƯÁ¤¼­ºñ½º¸¦ »ç¿ëÇϽ÷Á¸é º°µµÀÇ ¸ðµâÀ» »ç¿ëÇØ¾ß ÇÕ´Ï´Ù. ±×·¯¸é ¸ðµâÀ» ¿Ã¸³´Ï´Ù. [root@ja kskim]# modprobe ip_masq_ftp [Enter] <--- FTP¸¦ »ç¿ëÇϱâÀ§ÇØ [root@ja kskim]# modprobe ip_masq_raudio [Enter] <--- RealAudio¸¦ »ç¿ëÇϱâÀ§ÇØ [root@ja kskim]# modprobe ip_masq_vdolive [Enter] <--- ...¸¦ »ç¿ëÇϱâÀ§ÇØ ¸Þ¹ø ºÎÆýà ½ÇÇàÇϱ⠱ÍÂúÀ¸½Ã¸é /etc/rc.d/rc.local È­ÀÏÀÇ µÞºÎºÐ¿¡ Ãß°¡ÇØ ÁÝ´Ï´Ù. ¾Æ´Ï¸é /etc/rc.d/rc.modules È­ÀÏÀ» ¸¸µå¼Åµµ µË´Ï´Ù. ______________________________________________________________________ #!/bin/sh modprobe ip_masq_ftp modprobe ip_masq_raudio modprobe ip_masq_vdolive ______________________________________________________________________ [root@ja kskim]# chmod 755 /etc/rc.d/rc.modules [Enter]·Î Æ۹̼ÇÀ» Á¶Á¤ÇÕ´Ï´Ù. ±×·¯¸é ´ÙÀ½ ºÎÆýúÎÅÍ´Â ¸í·ÉÀ» µû·Î ÁÖ½Ç ÇÊ¿ä°¡ ¾ø½À´Ï´Ù. 4.3. À©µµ¿ì95¿¡¼­ÀÇ ³×Æ®¿÷¼³Á¤(Ŭ¶óÀ̾ðÆ®) °£´ÜÈ÷ ¾ê±âÇÏÀÚ¸é o À©µµ¿ì95ÀÇ µðÆúÆ®°ÔÀÌÆ®¿þÀ̸¦ ¸®´ª½º¹Ú½ºÀÇ IPÁÖ¼Ò·Î ÁöÁ¤ÇÏ¼Å¾ß ÇÕ´Ï´Ù. o À©µµ¿ì95ÀÇ DNS¼­¹öÁÖ¼Ò¸¦ o ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µÇÒ °æ¿ì ¸®´ª½º¼­¹öÀÇ IPÁÖ¼Ò¸¦ µî·Ï o ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µÇÏÁö ¾ÊÀ» °æ¿ì ISPÀÇ DNS¼­¹öÁÖ¼Ò µî·Ï ¼º´ÉÀ¸·Î µûÁöÀÚ¸é ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µÇÒ¶§°¡ ÈξÀ ÁÁ½À´Ï´Ù. À©µµ¿ì98¿¡¼­µµ Àß µ¿ÀÛÇÕ´Ï´Ù. ¼³Á¤¹æ¹ýÀº o µðÆúÆ®°ÔÀÌÆ®¿þÀÌ µî·Ï 1. À©µµ¿ì95ÀÇ ``½ÃÀÛ''¸Þ´º Ŭ¸¯ 2. ``¼³Á¤'' - 3. ``Á¦¾îÆÇ'' ¼±Åà 4. ``³×Æ®¿öÅ©'' ´õºíŬ¸¯ 5. ``³×Æ®¿öÅ© ±¸¼º''ÅÇ ¼±Åà 6. ``TCPIP - 3Com Etherlink III'' Ŭ¸¯ - ·£Ä«µå¿¡ ¿¬°áµÈ TCP/IP ·£Ä«µå¿¡ µû¶ó Ʋ¸² 7. ``µî·ÏÁ¤º¸'' Ŭ¸¯ 8. ``°ÔÀÌÆ®¿þÀÌ''ÅÇ Å¬¸¯ 9. ``»õ °ÔÀÌÆ®¿þÀÌ''Ç׸ñ¿¡ ¸®´ª½º¹Ú½ºÀÇ ·£Ä«µåÀÇ IPÁÖ¼Ò(ÀúÀÇ°æ¿ì 168.248.138.150)¸¦ Àû¾îÁÝ´Ï´Ù. 10. ``Ãß°¡(A)'' Ŭ¸¯Çϸé ``¼³Ä¡µÈ °ÔÀÌÆ®¿þÀÌ'' ¿¡ ÇØ´ç IP°¡ º¸ÀÔ´Ï´Ù. o DNS¼­¹ö µî·ÏÀ» ÇÕ´Ï´Ù. DNS¼³Á¤À» À§Çؼ­´Â (1-7) À§¿Í µ¿ÀÏ o ``DNS ±¸¼º'' ÅÇ ¼±Åà o ``DNS »ç¿ë'' ¼±Åà o ``È£½ºÆ®''¿Í ``µµ¸ÞÀÎ''¿¡ ÇØ´ç ISPÀÇ DNS¼­¹ö µµ¸ÞÀÎÀ» Àû½À´Ï´Ù. ±×³É ´ëÃæ Àû¾îµµ µË´Ï´Ù. o ``ãÀ» DNS ¼­¹ö ÁÖ¼Ò'' ¿¡ DNS¼­¹ö IPÁÖ¼Ò¸¦ Àû½À´Ï´Ù. ¿©±â¿¡´Â ¸®´ª½º¹Ú½ºÁÖ¼Ò¸¦ Àû°í ``Ãß°¡''¸¦ ´©¸¨´Ï´Ù. ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µ ¾ÈÇÒ ¶§¿¡´Â ÀûÁö ¸¶¼¼¿ä. o ``ãÀ» DNS ¼­¹ö ÁÖ¼Ò'' ¿¡ ISP¾÷ü DNS¼­¹ö IPÁÖ¼Ò¸¦ Àû½À´Ï´Ù. ÄÚ³ÝÀº 168.126.63.1 ÀÔ´Ï´Ù. Àû°í ``Ãß°¡''¸¦ ´©¸¨´Ï´Ù. ±×·¯¸é DNS¼­¹ö°¡ 2°³ µî·Ï µÇ¾ú½À´Ï´Ù. o ``È®ÀÎ''À» Ŭ¸¯ÇÏ°í ³ª°¡¸é ÀçºÎÆÃÇ϶ó´Â ¸Þ¼¼Áö°¡ ³ª¿É´Ï´Ù. ÀçºÎÆÃÇϸé ÀÌÁ¦ ¸®´ª½º ¹Ú½º¸¦ ÅëÇØ ÀÎÅͳÝ(ÄÚ³Ý)À» »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. °³·«ÀÇ ¿¬°áµµ´Â ¾Æ·¡¿Í °°½À´Ï´Ù. PC 1 Win95 IP 168.248.138.2 -----+ Mask 255.255.255.0 | Gw 168.248.138.150 | INTERNET | +------------+ | PC 2 Win95 | | Linux Box | | IP 168.248.138.3 -----+---- eth0 -------- ppp0 ------- Kornet ISDN --+ Mask 255.255.255.0 | IP 168.126.43.2 01414 Gw 168.248.138.150 | IP 168.248.138.150 IP 168.126.43.10 | Mask 255.255.255.0 PC 3 Win95 | IP 168.248.138.4 -----+ Mask 255.255.255.0 Gw 168.248.138.150 ¿©±â¼­´Â ³»ºÎ³×Æ®¿÷ÁÖ¼Ò¸¦ ºÎ¿© ¹Þ¾Ò±â ¶§¹®¿¡ 168.248.138.0 ³×Æ®¿÷À» »ç¿ëÇÏ¿´°í ÀϹÝÀûÀ¸·Î´Â ³»ºÎ³×Æ®¿÷ ¿ëÀ¸·Î ¹èÁ¤µÈ 192.168.0.0 ³×Æ®¿÷Áß¿¡¼­ ÆíÇÑ´ë·Î ÁöÁ¤Çؼ­ »ç¿ëÇÏ¸é µË´Ï´Ù. ¿¹)192.168.1.0 À̳ª 192.168.2.0 µîµî 5. ÀÌÈÄ °³¼±¹æÇâ ¸®´ª½º¹Ú½º¿¡ ÇÁ·Ï½Ã ¼­¹ö µ¹¸®±â(RedHat 5.2¿¡ squid°¡ µé¾îÀÖ½À´Ï´Ù. Àß µ¹¾Æ°©´Ï´Ù.). À¥À¸·Î ½ÇÇàÇÏ°í Á¾·áÇϵµ·Ï ¸¸µé±â ... ? ? 6. °á·Ð ¼öµ¿À¸·Î ÀüÈ­¸¦ °É°í ²÷À» ÇÊ¿ä¾øÀÌ ¸®´ª½º ¹Ú½º¿¡¼­ ÀÚµ¿À¸·Î ÀüÈ­¸¦ °É°í ²÷¾îÁֱ⠶§¹®¿¡ »ç¿ëÇϱ⠰£ÆíÇÕ´Ï´Ù. ½ÃÁßÀÇ ISDN¶ó¿ìÅÍ¿Í ¶È°°½À´Ï´Ù. ISDN 1ȸ¼± ¶Ç´Â ¸ðµ© 1ȸ¼±À¸·Î À¥À» ÁÖ·Î »ç¿ëÇÑ´Ù¸é ¼ÓµµÀúÇϾøÀÌ ÀÎÅͳÝÀ» »ç¿ëÇÒ¼ö À־ ÅëÈ­·á¸¦ ¾Æ³¥¼ö ÀÖ´Ù. ÁÖ·Î Áß¼Ò±â¾÷¿¡ PC¸¦ 10´ë Á¤µµ ¹°·Á¼­ »ç¿ëÇϱ⿡´Â ±¦Âú´Ù°í »ý°¢ÇÕ´Ï´Ù. ÀÌ ¹®¼­ÀÇ °³¼±Àº ÀÌÁ¦ ¸¶°¨ ÇÏ·Á°í ÇÕ´Ï´Ù. Á¦°¡ ¾ËÂ¥5.2¸¦ »ç¿ëÇÏ°í Àֱ⠶§¹®¿¡ ¾ËÂ¥¹èÆ÷ÆÇ 6.0 ¿¡ ´ëÇؼ­ ¾Ë·Áµå¸®Áö ¸øÇÏ´Â °Í¿¡ ´ëÇؼ­ ¹Ì¾ÈÇÏ°Ô »ý°¢ÇÏ°í ÀÖ½À´Ï´Ù. ´Ù¸¥ °÷¿¡ »ç¿ëÇϼŵµ ÁÁ°í ¹®¼­¸¦ º¸¿ÏÇϽźÐÀÌ ÀÖ´Ù¸é Á¦°Ôµµ 1ºÎ º¸³»ÁÖ¼¼¿ä. 1999.11.11. ±è±â¼ö 7. Áú¹®°ú ´ë´ä o À©µµ¿ì Ŭ¶óÀ̾ðÆ®¿¡¼­ http://168.126.63.18ÀÌ·±½ÄÀÇ ÁÖ¼Ò´Â ¾Ë¾Æ ¸Ô´Âµ¥ ¶È°°Àº http://www.kornet.net´Â ¸ø¾Ë¾Æ ¸Ô½À´Ï´Ù. ¾î¶»°Ô ÇØ¾ß Çմϱî ? ´ä: À©µµ¿ìÀÇ ³×Æ®¿÷¼³Á¤¿¡¼­ DNS¼­¹ö°¡ µî·ÏµÇ¾î ÀÖ¾î¾ß ÇÕ´Ï´Ù. ¸®´ª½º¿¡¼­ DNS¼­¹ö¸¦ ¿î¿µÇÑ´Ù¸é ¸®´ª½º¼­¹öÁÖ¼Ò¿Í ISPÀÇ DNS¼­¹öÁÖ¼Ò¸¦ Àû¾îÁÖ¸é µÇ°í, ¸®´ª½º¹Ú½º¿¡¼­ ¿î¿µ ¾ÈÇÒ °æ¿ì¿¡´Â ÇØ´ç ISPÀÇ DNS¼­ºñ½º ÁÖ¼Ò¸¦ Àû¾îÁÖ¸é µË´Ï´Ù. o ¸®´ª½º ¹Ú½º¿¡¼­ ÀÎÅͳݿ¡ Á¢¼ÓÀº µÇ´Âµ¥ ping Å×½ºÆ®°¡ ¾ÈµÇ°í ³Ý½ºÄÉÀÌÇÁ·Î ¹ÛÀ¸·Î ³ª°¡Áö ¸øÇÕ´Ï´Ù. ´ä: /sbin/ifconfig ·Î ppp0 µð¹ÙÀ̽º°¡ ÀâÈ÷´Âµ¥ ¿ÜºÎ·ÎÀÇ pingÀÌ ¾ÈµÉ °æ¿ì µÎ°¡Áö¸¦ Á¡°ËÇØ º¸¼Å¾ß ÇÕ´Ï´Ù. 1. ¸®´ª½º¹Ú½º¿¡ ¹Ì¸® µðÆúÆ®°ÔÀÌÆ®¿þÀÌ°¡ ¼³Á¤µÇ¾î ÀÖ´Â °æ¿ì ppp ·Î ¿¬°áµÈÈÄ ¿¬°áµÈ ppp0 µð¹ÙÀ̽º°¡ µðÆúÆ®°ÔÀÌÆ®¿þÀÌ·Î ÀâÇô¾ß ¿ÜºÎ·ÎÀÇ ¿¬°áÀÌ Àß µË´Ï´Ù. Á¡°ËÇÒ È­ÀÏÀº /etc/sysconfig/network È­ÀÏÀÔ´Ï´Ù. ___________________________________________________________________ NETWORKING=yes FORWARD_IPV4="yes" HOSTNAME="ja.kotel.co.kr" DOMAINNAME=kotel.co.kr GATEWAY="" <--- ¿©±â¿¡ ¾Æ¹«³»¿ëµµ ¾ø¾î¾ß ÇÕ´Ï´Ù. GATEWAYDEV="" <--- ¿©±â¿¡µµ ¾Æ¹«³»¿ëµµ ¾ø¾î¾ß ÇÕ´Ï´Ù. ___________________________________________________________________ 2. PPP¿¬°á ¿É¼Ç¿¡¼­ asyncmap Ç׸ñÀÌ ¼³Á¤ÀÌ µÇ¾î¾ß ÇÕ´Ï´Ù. /etc/diald.conf È­ÀÏÀ» Á¡°ËÇÕ´Ï´Ù. # pppd-options name anappp : <---- À̺κÐÀÌ pppd-options asyncmap 00000000 name [º»ÀÎI.D] : <---- ÀÌ·¸°Ô ¹Ù²î¾ú´ÂÁö o ¿¬°á¸í·ÉÀ» Áá´Âµ¥ Àåºñ¿¡ ºÒÁ¶Â÷ µé¾î¿ÀÁö ¾Ê½À´Ï´Ù. ´ä: ½Ã¸®¾óÆ÷Æ®°¡ ¿Ã¹Ù¸£°Ô ¼³Á¤µÇ¾ú´ÂÁö È®ÀÎÇÏ¼Å¾ß ÇÕ´Ï´Ù. device ¼³Á¤½Ã »ç¿ëÇÏ´Â ½Ã¸®¾óÆ÷Æ® ¼³Á¤Àº ´ÙÀ½°ú °°½À´Ï´Ù. com1 ---> /dev/ttyS0 com2 ---> /dev/ttyS1 com3 ---> /dev/ttyS2 com4 ---> /dev/ttyS3 ÀÚ¼¼ÇÑ ³»¿ëÀº Serial-HOWTO¹®¼­¸¦ Âü°íÇϽʽÿÀ. o Âü°í ÇÏÀÌÅÚ »ç¿ë½Ã o Á¢¼ÓÀüÈ­¹øÈ£ : 02-3144-0470-6: ISDN 64K,128K 01432: ¸ðµ© 56k o DNS : 204.252.145.2 o DNS : 204.252.145.10 º¸Á¶ o ¸ðµ¨º° ML-PPP¸í·É <-- Á÷Á¢ ½ÃÇèÀº ¾ÈÇغýÀ´Ï´Ù. o DigitelÀÇ DTA-200U : AT$V=2 <--- ´ë¿ì OEM ³³Ç° o ´ºÅØÁ¤º¸Åë½ÅÀÇ ¿È´Ï : ATB40&J3 o I&T TelecomÀÇ TA-3000US : AT&O27 <--- ÄÚ¼¼½º OEM ³³Ç° 128K Á¢¼Ó ¾ÈµÉ½Ã Æß¿þ¾î ¾÷±×·¹À̵å ÇÊ¿ä. o ½´ÆÛ³×Æ®ÀÇ NTA´Â MLPPP¸í·ÉÀÌ ¾ø´ä´Ï´Ù. 64K·Î ¾²¼Å¾ß ÇÒ°Í °°½À´Ï´Ù. (»ç±¤¼± kssa@hanmail.net´ÔÀÌ »ç¿ëÇÏ°í °è½Ê´Ï´Ù.) o ÁßµµTAÀÎ UTA-128¸ðµ¨ÀÇ ¸í·É 64K Á¢¼ÓÀ» ÇÏ·ÁÇÒ¶§´Â AT&F1 128K Á¢¼Ó½Ã¿¡´Â AT&F2 °­Ã¶±Ô kang cheul kyu skiland@kornet.net´ÔÀÌ Àß¾²°í °è½Ê´Ï´Ù. 1999.10.01