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¸®´ª½º¿¡¼­ Diald¸¦ »ç¿ëÇÏ¿© ISDN¶ó¿ìÅÍ ¸¸µé±â

¸®´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.

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°

  • ¿ÜÀåÇü NT³»ÀåÇü TA (¶Ç´Â ¸ðµ©) - ¿©±â¼­´Â ´ºÅØÀÇ ¿È´Ï¸ðµ¨ÀÔ´Ï´Ù.
    • ¸ÖƼ¸µÅ©PPP Á¦¾î¸í·É (Á¦Ç°¸Þ´º¾ó¿¡ ÀÖÀ» °Ì´Ï´Ù.) - ¸ðµ©Àº À̸í·ÉÀÌ ÇÊ¿ä ¾ø½À´Ï´Ù.
  • ISP °èÁ¤ (¿©±â¼­´Â ÄÚ³ÝÀ» ¿¹·Î µé¾ú½À´Ï´Ù.)
    • ISDN Á¢¼ÓÀüÈ­¹øÈ£
    • ¾ÆÀ̵ð,Æнº¿öµå
    • DNS ÁÖ¼Ò
  • ¸®´ª½º¹Ú½º (Àú´Â ÆÒƼ¾ö 166 ÀÔ´Ï´Ù.)
  • ¾ËÂ¥ RedHat 5.2 ( 9,900¿ø¿¡ ±¸ÀÔÇؼ­ ¼³Ä¡Çß½À´Ï´Ù.)
  • Diald
    • diald16-0.16.5a-2.i386.rpm 159038 byte
    • 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.

ftp://ftp.bora.net/pub/Linux/redhat-contrib/libc6/i386/ ¿¡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<p>
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 http://kldp.org/network.html ¿¡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

  • À©µµ¿ì95ÀÇ µðÆúÆ®°ÔÀÌÆ®¿þÀ̸¦ ¸®´ª½º¹Ú½ºÀÇ IPÁÖ¼Ò·Î ÁöÁ¤ÇÏ¼Å¾ß ÇÕ´Ï´Ù.
  • À©µµ¿ì95ÀÇ DNS¼­¹öÁÖ¼Ò¸¦
    • ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µÇÒ °æ¿ì ¸®´ª½º¼­¹öÀÇ IPÁÖ¼Ò¸¦ µî·Ï
    • ¸®´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

  • µðÆúÆ®°ÔÀÌÆ®¿þÀÌ µî·Ï
    1. À©µµ¿ì95ÀÇ ``½ÃÀÛ''¸Þ´º Ŭ¸¯
    2. ``¼³Á¤'' -
    3. ``Á¦¾îÆÇ'' ¼±ÅÃ
    4. ``³×Æ®¿öÅ©'' ´õºíŬ¸¯
    5. ``³×Æ®¿öÅ© ±¸¼º''ÅÇ ¼±ÅÃ
    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.
  • DNS¼­¹ö µî·ÏÀ» ÇÕ´Ï´Ù. DNS¼³Á¤À» À§Çؼ­´Â (1-7) À§¿Í µ¿ÀÏ
    • ``DNS ±¸¼º'' ÅÇ ¼±ÅÃ
    • ``DNS »ç¿ë'' ¼±ÅÃ
    • ``È£½ºÆ®''¿Í ``µµ¸ÞÀÎ''¿¡ ÇØ´ç ISPÀÇ DNS¼­¹ö µµ¸ÞÀÎÀ» Àû½À´Ï´Ù. ±×³É ´ëÃæ Àû¾îµµ µË´Ï´Ù.
    • ``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.
    • ``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.
    • ``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 
<baram88@kldp.org>
<baram88@hanmir.com>
<http://www.uijongbu.co.kr>
<http://baram88.dns4u.com>

7. Áú¹®°ú ´ë´ä

  • 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.
  • ¸®´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
      
  • ¿¬°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.

  • Âü°í ÇÏÀÌÅÚ »ç¿ë½Ã
    • Á¢¼ÓÀüÈ­¹øÈ£ : 02-3144-0470-6: ISDN 64K,128K 01432: ¸ðµ© 56k
    • DNS : 204.252.145.2
    • DNS : 204.252.145.10 º¸Á¶
  • ¸ðµ¨º° ML-PPP¸í·É <-- Á÷Á¢ ½ÃÇèÀº ¾ÈÇغýÀ´Ï´Ù.
    • DigitelÀÇ DTA-200U : AT$V=2 <--- ´ë¿ì OEM ³³Ç°
    • ´ºÅØÁ¤º¸Åë½ÅÀÇ ¿È´Ï : ATB40&J3
    • I&T TelecomÀÇ TA-3000US : AT&O27 <--- ÄÚ¼¼½º OEM ³³Ç° 128K Á¢¼Ó ¾ÈµÉ½Ã Æß¿þ¾î ¾÷±×·¹À̵å ÇÊ¿ä.
    • 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.)
    • 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


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