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SSH ¸¦ ÀÌ¿ëÇÑ º¸¾È POP

SSH ¸¦ ÀÌ¿ëÇÑ º¸¾È POP

Manish Singh, <yosh@gimp.org>

v1.0, 30 September 1998 ÀÓÀºÀç, eunjea@kldp.org 2000³â 10¿ù 27ÀÏ
ÀÌ ¹®¼­´Â ssh ¸¦ ÀÌ¿ëÇØ º¸¾È POP ¿¬°áÀ» ÇÏ´Â ¹æ¹ýÀ» ¼³¸íÇÑ´Ù.

1. ¼Ò°³

ÀϹÝÀûÀÎ POP ¸ÞÀÏ ¿¬°áÀº ¸Å¿ì º¸¾È¿¡ Ãë¾àÇÏ´Ù. ´ç½ÅÀÇ ¾ÏÈ£´Â ³×Æ®¿öÅ©À» ÅëÇØ ±ú²ýÇÑ ÅؽºÆ®(´©±¸³ª º¼¼ö ÀÖ´Â)·Î ³¯¾Æ°£´Ù. °ø°ø ³×Æ®¿öÅ© (Áï ´ëÇб³³ª ´ç½ÅÀÌ »ç¿ëÇÏ´Â ISP°°Àº) ¿¡¼­ ´©±º°¡ ´ç½ÅÀÇ ¾ÏÈ£¸¦ ¾Ë¾Æ ³¾¼ö ÀÖ´Â ½º´ÏÆÛ¸¦ ¼³Ä¡ÇØ ³õ¾Ò´ÂÁöµµ ¸ð¸¥´Ù. ƯÈ÷, ±ÔÄ¢ÀûÀ¸·Î ¸ÞÀÏÀ» ýũÇÏ´Â ¸ÞÀÏýĿ¸¦ »ç¿ëÇÏ´Â °æ¿ì ´ç½ÅÀÇ ¾ÏÈ£°¡ ³ëÃâµÉ °¡´É¼ºÀº ´õ¿í ³ô¾ÆÁø´Ù.

ÀÌ ¾ÏÈ£·Î, °ø°ÝÀÚ´Â ´ç½ÅÀÇ ¸ÞÀÏ °èÁ¤(°³ÀÎÁ¤º¸¿Í ±â¹ÐÀÌ Æ÷Ç﵂ ÀÖÀ»¼ö ÀÖ´Â)¿¡ Á¢±ÙÇÒ¼ö ÀÖÀ¸¸ç, ¶ÇÇÑ ÀÌ ¾ÏÈ£´Â ½© °èÁ¤ ¾ÏÈ£¿Í µ¿ÀÏÇÑ °æ¿ì°¡ ¸¹À¸¹Ç·Î, ´õ ¸¹Àº ¼Õ½ÇÀÇ °¡´É¼ºµµ ÀÖ´Ù.

¿ì¸®´Â ÀÌ·¯ÇÑ ´Ü¼øÇÑ ¾ÏÈ£ÀÎÁõ(±ú²ýÇÑ ÅؽºÆ®°¡ ³×Æ®¿öÅ© »óÀ¸·Î È帣´Â) ´ë½Å¿¡ ¾ÏȣȭµÈ ä³ÎÀ» ssh Ŭ¶óÀ̾ðÆ®¸¦ ÅëÇØ ±¸ÇöÇÒ¼ö ÀÖ´Ù.

APOP, KPOP, IMAP µî°ú °°Àº º¸¾È ÀÎÁõ¹æ¹ýÀÌ ÀÌ¹Ì ÀÖÁö¸¸, ssh ¸¦ »ç¿ëÇÏ´Â °ÍÀº, Ưº°ÇÑ ¸ÞÀÏ Å¬¶óÀ̾ðÆ®³ª ¼­¹ö Áö¿øÀ» ÇÊ¿ä·Î ÇÏÁö ¾Ê´Â´Ù (¼­¹ö¿¡¼­ ssh Á¢¼ÓÀ» Áö¿øÇÏ´Â °ÍÀ» Á¦¿ÜÇÏ°í). ±×¸®°í, ¶Ç ÇÑ°¡Áö ´ç½ÅÀÇ Æ®·¡ÇÈÀº ssh ¿¡ ÀÇÇØ ¾ÐÃà Àü¼ÛµÇ¹Ç·Î, ÀüÈ­ ¸ðµ© Á¢¼Ó°ú °°Àº ´À¸° Á¢¼ÓÀ» °¡Áø »ç¶÷µé¿¡°Ô´Â ¶Ç ÇϳªÀÇ ¸ÚÁø ¹æ¹ýÀÌ´Ù.

2. ±âÃÊÀûÀÎ ±â¼ú

ÀÌ ±â¼úÀº ssh ÀÇ ±âº»ÀûÀΠƯ¡Áß ÇϳªÀÌ´Ù : port forwarding

´ç½ÅÀº ssh Ŭ¶óÀ̾ðÆ®¸¦ ÇÊ¿ä·Î Çϴµ¥ ´ÙÀ½¿¡¼­ ±¸ÇÒ¼ö ÀÖ´Ù.

http://www.ssh.fi/ ¿Í ¹Ì·¯µé. RPMÀº ´ÙÀ½¿¡¼­. ftp://ftp.replay.com/pub/crypto/ ±×¸®°í µ¥ºñ¾È ÆÐÅ°Áö´Â ÀÌ°÷¿¡. ftp://non-us.debian.org/debian-non-US/ (±×¸®°í °¢°¢ÀÇ ¹Ì·¯µé¿¡¼­).

2.1 Æ÷Æ® Æ÷¿öµù Áغñ

Æ÷Æ® Æ÷¿öµùÀº ´ÙÀ½°ú °°ÀÌ ÇÑ´Ù:

ssh -C -f popserver -L 11110:popserver:110 sleep 5

ÀÌ ¸í·É¿¡ ´ëÇØ ÀÚ¼¼È÷ »ìÆì º¸ÀÚ

ssh

ssh Ŭ¶óÀ̾ðÆ® ½ÇÇà ÆÄÀÏ ±× ÀÚü (¸ðµç °ÍÀ» °¡´ÉÄÉ ÇØÁÖ´Â ¸¶¼ú ÇÁ·Î±×·¥ :-)).

-C

ÀÌ °ÍÀº µ¥ÀÌÅÍ ½ºÆ®¸²ÀÇ ¾ÐÃàÀ» °¡´ÉÇÏ°Ô ÇÑ´Ù, ÀÌ°ÍÀº ¿É¼ÇÀÌÁö¸¸, ƯÈ÷ ÀüÈ­ ¸ðµ© »ç¿ëÀڵ鿡°Ô´Â À¯¿ëÇÏ´Ù.

-f

ssh °¡ ÀÎÁõ¿¡ ¼º°øÇÏ°í Æ÷Æ® Æ÷¿öµù¿¡ ¼º°øÇÏ°í ³ª¸é, ´ÙÀ½ ÇÁ·Î±×·¥À» ½ÇÇàÇÒ¼ö ÀÖµµ·Ï ¹é±×¶ó¿îµå·Î Æ÷Å©µÈ´Ù. ¿ì¸®´Â ´ÜÁö sshÀÇ Æ÷Æ® Æ÷¿öµù ±â´É¸¸À» »ç¿ëÇÒ °ÍÀ̹ǷΠtty ´Â ÇÊ¿ä¾ø´Ù.

popserver

¿ì¸®°¡ Á¢¼ÓÇÒ POP ¼­¹ö.

-L 11110:popserver:110

POP ¼­¹ö Æ÷Æ® 110À» ·ÎÄà Æ÷Æ® 11110À¸·Î Æ÷¿öµå ÇÑ´Ù. ´©±¸³ª »ç¿ëÇÒ¼ö ÀÖ´Â ³ôÀº ¼ýÀÚÀÇ ·ÎÄà Æ÷Æ®¸¦ »ç¿ëÇÑ´Ù.

sleep 5

ssh °¡ ¹é±×¶ó¿îµå·Î Æ÷Å©µÈÈÄ, ÀÌ ¸í·ÉÀ» ½ÇÇàÇÑ´Ù. ÀÌ°ÍÀº ´ç½ÅÀÇ ¸ÞÀÏ Å¬¶óÀ̾ðÆ®°¡ ·ÎÄà Æ÷Æ®¿¡ Á¢¼ÓÇÒ¶§ ±îÁö Á¢¼ÓÀ» À¯ÁöÇÏ°Ô µÈ´Ù. 5ÃÊ´Â ÀϹÝÀûÀ¸·Î ÃæºÐÇÑ ½Ã°£ÀÌ´Ù. (¿ªÀÚÁÖ: ´ç½ÅÀÇ ½Ã½ºÅÛÀÌ ÃæºÐÈ÷ ºü¸¥ ½Ã½ºÅÛÀ̶ó¸é, ÀÌ ¸í·ÉÀÌ ÇÊ¿äÇÏÁö ¾Ê°Å³ª, ¼ýÀÚ¸¦ ÁÙÀϼö ÀÖ´Ù. ½ÇÇèÇØ º¼°Í)

ÀÌ¿Ü¿¡µµ ´ç½ÅÀº ´Ù¸¥ ssh ÀÇ Àû´çÇÑ ¿É¼ÇµéÀ» »ç¿ëÇÒ¼ö ÀÖ´Ù.

¹°·Ð ÀÌ°ÍÀº POP ¼­¹ö¿¡¼­ sshd µµ Áö¿øÇØ¾ß ÇÑ´Ù. ±×·¯³ª ¹ÝµíÀÌ ½© °èÁ¤À» °¡Áö°í ÀÖ¾î¾ß ÇÏ´Â °ÍÀº ¾Æ´Ï´Ù. ¿ì¸®°¡ ÇÊ¿äÇÑ ½Ã°£Àº ¼­¹ö°¡ "ÅÚ³Ý Á¢¼ÓÀ» Çã¿ëÇÏÁö ¾Ê½À´Ï´Ù"¶ó°í Ç¥½ÃÇÏ´Â µ¿¾È¿¡µµ ÃæºÐÈ÷ È®º¸ÇÒ¼ö ÀÖ´Ù.

2.2 Å×½ºÆ® Çغ¸±â

Æ÷Æ® Æ÷¿öµùÀ» À§ÇÑ ÀÚ¼¼ÇÑ ¸í·ÉÀ» ¾Ë¾Æ º¸¾Ò´Ù¸é ÀÌÁ¦ ½ÇÁ¦·Î Å×½ºÆ® Çغ¸ÀÚ:

$ ssh -C -f msingh@popserver -L 11110:popserver:110 sleep 1000

popserver ´Â POP ¼­¹öÀÌ´Ù. ³ªÀÇ ·ÎÄøӽÅÀÇ »ç¿ëÀÚ À̸§ÀÌ manish À̹ǷÎ, msingh ¶ó°í POP »ç¿ëÀÚ¸¦ ¸í½ÃÇØ ÁÖ¾ú´Ù. (¸¸¾à ·ÎÄðú ¿ø°Ý »ç¿ëÀÚ À̸§ÀÌ µ¿ÀÏÇÏ´Ù¸é ÇÊ¿äÇÏÁö ¾Ê´Ù.)

Àá½ÃÈÄ ´ÙÀ½°ú °°ÀÌ ¾ÏÈ£¸¦ ¹°¾î ¿Ã°ÍÀÌ´Ù:

msingh@popserver's password:

³» POP ¾ÏÈ£¸¦ ÀÔ·Â (¸¸¾à ´ç½ÅÀÇ ½© °èÁ¤À» °¡Áö°í ÀÖ°í, ±× ¾ÏÈ£°¡ POP ¾ÏÈ£¿Í ´Ù¸£´Ù¸é ½©°èÁ¤ÀÇ ¾ÏÈ£¸¦ ÀÔ·ÂÇØ¾ß ÇÑ´Ù). ³¡ ! ÀÌÁ¦ ´ÙÀ½°ú °°ÀÌ ·ÎÄà Æ÷Æ®·Î Æ÷¿öµùµÈ POP ¼­¹ö·Î Á¢¼ÓÀ» Çغ¼¼ö ÀÖ´Ù.

$ telnet localhost 11110

´ÙÀ½°ú ºñ½ÁÇÑ °á°ú¸¦ º¸¿©¾ß ÇÑ´Ù:

QUALCOMM POP v3.33 ready.

²¥¿À! µÇ´Âµ¥! ÀÌÁ¦ µ¥ÀÌÅÍ´Â ¾ÏȣȭµÇ´Â ³×Æ®¿öÅ© »ó¿¡ ÀÖ°Ô µÈ´Ù. À¯ÀÏÇÏ°Ô ¾Ïȣȭ µÇÁö ¾ÊÀº ÅؽºÆ®´Â ·ÎÄà ·çÇÁ¹é ÀÎÅÍÆäÀ̽º ³» ¿¡¼­¸¸ »ç¿ëµÈ´Ù.

3. ¸ÞÀÏ ¼ÒÇÁÆ®¿þ¾î¿Í °°ÀÌ »ç¿ëÇϱâ

ÀÌ ¼½¼ÇÀº ÆË Å¬¶óÀ̾ðÆ® ¼ÒÇÁÆ®¿þ¾î¸¦ ssh°¡ Æ÷¿öµùÇÑ Æ÷Æ®¸¦ »ç¿ëÇϵµ·Ï ¼³Á¤ÇÏ´Â °ÍÀ» ¼³¸íÇÑ´Ù. ÁÖµÈ ÃÊÁ¡Àº fetchmail (¿¡¸¯ ·¹À̸óµå°¡ ¸¸µç ÈǸ¢ÇÑ ÇÁ·Î±×·¥) ¿¡ ¸ÂÃß¾ú´Ù. fetchmail Àº ´ÙÀ½¿¡¼­ ãÀ»¼ö ÀÖ´Ù.

http://www.tuxedo.org/~esr/fetchmail/. ¶ÇÇÑ, fetchmailÀÇ ¹®¼­¸¦ Àд °Íµµ ´ç½Å¿¡°Ô ¸¹Àº µµ¿òÀ» ÁÙ°ÍÀÌ´Ù.

3.1 fetchmail ¼³Á¤Çϱâ

ÀÌ°ÍÀº ³ªÀÇ .fetchmailrc ÆÄÀÏÀÌ´Ù.


defaults
        user msingh is manish
        no rewrite

poll localhost with protocol pop3 and port 11110:
        preconnect "ssh -C -f msingh@popserver -L 11110:popserver:110 sleep 5"
        password foobar;

°£´ÜÇÏÁÒ? fetchmail Àº ÀÌ¿Ü¿¡µµ dzºÎÇÑ ¿É¼ÇÀ» °¡Áö°í ÀÖÀ¸³ª, ¿©±â¼­ Áß¿äÇÑ °ÍÀº preconnect ¿Í poll ¿É¼ÇÀÌ´Ù.

¿ì¸®´Â POP ¼­¹ö¿¡ Á÷Á¢ Á¢¼Ó¾Ê°í ´ë½Å ·ÎÄà ȣ½ºÆ® 11110 Æ÷Æ®·Î Á¢¼ÓÇÑ´Ù. preconnect Àº ssh °¡ ¹Ì¸® Á¢¼ÓÀ» Çؼ­ ÆÐÄ¡¸ÞÀÏÀ» À§ÇØ Æ÷Æ® Æ÷¿öµùÀ» ÇÏ°í 5Ãʵ¿¾È Æ÷Æ®¸¦ ¿­¾î ³õ´Â´Ù. ÀÌÁ¦ ÆÐÄ¡¸ÞÀÏÀº ·ÎÄà 11110 Æ÷Æ®·Î Á¢¼ÓÇÏ¿© ¸ÞÀÏÀ» ±Ü¾î¿À°Ô µÈ´Ù.

±×·¡¼­ ÆÐÄ¡¸ÞÀÏÀ» ½ÇÇàÇÒ¶§ ¸¶´Ù, ´ç½ÅÀº ¾ÏÈ£ÀÔ·ÂÀ» ÇؾßÇÑ´Ù. ¸¸¾à ´ç½ÅÀÌ ¹é±×¶ó¿îµå(³»°¡ ÇÏ´Â °Íó·³) ½ÇÇàÇÏ°íÀÚ ÇÑ´Ù¸é, ÀÌ°ÍÀº ºÒÆíÇϹǷÎ, ´ÙÀ½ ¼½¼Ç¿¡¼­ ÀÌ°ÍÀ» ÇØ°áÇÏÀÚ.

3.2 ¸ðµÎ ÀÚµ¿È­ Çϱâ

ssh ´Â »ç¿ëÀÚ ÀÎÁõÀ» ¿©·¯ ¹æ¹ýÀ¸·Î ÇÒ¼ö ÀÖ´Ù. ±×Áß ÇÑ°¡Áö°¡ RSA public/private key pair ÀÌ´Ù. ´ç½ÅÀº ssh-keygen¸¦ »ç¿ëÇØ ÀÎÁõÅ°¸¦ ¸¸µé¼ö ÀÖ´Ù. ÀÎÁõÅ°´Â passphrase ¸¦ °¡Áú¼ö ÀÖÀ¸¸ç, ±×°ÍÀº °ø¹éÀϼö ÀÖ´Ù.

¸¸¾à ´ç½ÅÀÇ ¸Ó½ÅÀÌ ¾ÈÀüÇÏ´Ù°í »ý°¢µÈ´Ù¸é, °ø¹éÀÇ passpharase¸¦ »ç¿ëÇضó. ±×¸®°í À§¿Í °°ÀÌ .fetchmailrc ¸¦ ¼³Á¤ÇÑÈÄ ÆÐÄ¡¸ÞÀÏÀ» µ¥¸ó¸ðµå·Î ½ÇÇàÇÏ¸é ¸ÞÀÏÀ» ÀÚµ¿À¸·Î ¹Þ¾Æ¿Ã¼ö ÀÖ´Ù.

±×·¯³ª, ¸¸¾à passphrase°¡ ÇÊ¿äÇÏ´Ù°í »ý°¢µÈ´Ù¸é, Á»´õ º¹ÀâÇØÁø´Ù. ssh ´Â agent ¿¡ ÀÇÇØ ½ÇÇàµÇ¾î Áö¸ç, µî·ÏÅ°, ÀÎÁõµîÀ» ssh Á¢¼ÓÀÌ ÀÌ·ç¾îÁø »óÅ¿¡¼­ ÇؾßÇÑ´Ù. ±×·¡¼­ ³ª´Â ´ÙÀ½°ú °°Àº ½ºÅ©¸³Æ®¸¦ »ç¿ëÇß´Ù.

getmail.sh:


#!/bin/sh
ssh-add
while true; do fetchmail --syslog --invisible; sleep 5m; done

¸ðµ© Á¢¼ÓÀ» ÇÒ¶§, ´ÙÀ½À» ½ÇÇàÇÑ´Ù:

$ ssh-agent getmail.sh

ÀÌ°ÍÀº ³ª¿¡°Ô passphrase¸¦ Çѹø ¹¯´Â´Ù. ±×¸®°í, ¸Å 5ºÐ¸¶´Ù ¸ÞÀÏÀ» ýũÇÏ°Ô µÈ´Ù. ¸ðµ© Á¢¼ÓÀÌ ²÷¾îÁö¸é, ssh-agent ¸¦ ³¡³½´Ù. (³ª´Â ÀÌ°ÍÀ» ip-up, ip-down ½ºÅ©¸³Æ® ¿¡ ³Ö¾ú´Ù.)

3.3 fetchmailÀ» »ç¿ëÇÏÁö ¾Ê´Â ¹æ¹ý

¸¸¾à ÆÐÄ¡¸ÞÀÏÀ» »ç¿ëÇÏÁö ¸øÇϰųª »ç¿ëÇϱ⠽ȴٸé? Pine, Netscape µîÀÇ ¸ÞÀÏ Å¬¶óÀ̾ðÆ®µéÀº ±×µé¸¸ÀÇ POP ¸ÅÄ«´ÏÁòÀ» °¡Áö°í ÀÖ´Ù. ±×·¯¹Ç·Î, ÆÐÄ¡¸ÞÀÏÀÇ »ç¿ëÀ» °í·ÁÇضó! ±× ÆíÀÌ ´õ À¯¿¬ÇÑ ¹æ¹ýÀÌ´Ù. ±×¸®°í ¸ÞÀÏ Å¬¶óÀ̾ðÆ®µéÀº ±×·± Á¾·ùÀÇ ÀÛµ¿À» Çؼ­´Â ¾ÊµÈ´Ù. Pine °ú Netscape Àº ·ÎÄà ¸ÞÀÏ ½Ã½ºÅÛÀ» »ç¿ëÇϱâ À§ÇØ ¼³Á¤µÉ ¼ö ÀÖ´Ù.

±×·¯³ª, ÀÌ·¸°Ô ÇÏ·Á¸é ´ç½ÅÀÇ ¸ÞÀÏ Å¬¶óÀ̾ðÆ®µéÀÌ Æ÷¿öµùµÈ Æ÷Æ®¿¡ Á¢¼ÓµÇ¾î ÀÖµµ·Ï ÃæºÐÇÑ ¿©À¯ ½Ã°£À» ÁÖ¾î¾ß ÇÑ´Ù (¿¹¸¦ µé¾î sleep 100000000 ¿Í °°Àº). ÀÌ°ÍÀº ¾î¼¸é ´ç½ÅÀÇ ³×Æ®¿öÅ© °ü¸®ÀÚ°¡ Çã¿ëÇÏÁö ¾ÊÀ»Áöµµ ¸ð¸¥´Ù.

µÎ¹ø°·Î, ¸î¸î Ŭ¶óÀ̾ðÆ® (³Ý½ºÄÉÀÔ°ú °°Àº) ´Â POP ¼­¹öÀÇ Æ÷Æ®°¡ 110À¸·Î Çϵå ÄÚµùµÇ¾î ÀÖ´Ù. ÀÌ°ÍÀº ·çÆ® ±ÇÇÑÀ¸·Î ÇØ´ç Æ÷Æ®·Î Æ÷¿öµùÀ» ÇØ¾ß ÇÑ´Ù. ÀÌ°ÍÀº °í¹Î°Å¸® À̱ä Çϳª, ÀÛµ¿Àº ÇÒ°ÍÀÌ´Ù.

4. ±âŸ

4.1 Disclaimer

ÀÌ ¹®¼­¿¡ ´ëÇØ ÇÊÀÚ´Â º¸ÁõÀº ÇÏÁö ¾Ê´Â´Ù. ÀÌ°ÍÀº ´ÜÁö ÀÚÀ¯·Î¿î ÀÚ¿øÀ¸·Î Á¦°øµÈ´Ù.

ssh ¿Í °°Àº ¾Ïȣȭ ¼ÒÇÁÆ®¿þ¾î´Â ¾î¶² Á¦Çѵé(´ç½ÅÀÌ ¾îµð¿¡ »ç´Â°¡)¿¡ Á¾¼ÓµÉÁöµµ ¸ð¸¥´Ù. ¾î¶² ³ª¶óµé¿¡¼­´Â, ´ç½Å¿¡°Ô ±×·± ¼ÒÇÁÆ®¿þ¾îµéÀ» »ç¿ëÇÒ Çã°¡°¡ ÀÖ¾î¾ß ÇÑ´Ù. ¸¸¾à ´ç½ÅÀÌ ÀÌ·± ¹ý·üµé¿¡ ´ëÇØ Àß ¾ËÁö ¸øÇÑ´Ù¸é, Àü¹®°¡¿Í »óÀÇÇضó.

ÀÌ ¹®¼­¿¡¼­ Á¦°øµÇ´Â Á¤º¸ÀÇ »ç¿ëÀº ´ç½ÅÀÇ ¸ÞÀÏ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ ÀÇÇØ ¿¹±âµÇÁö ¾ÊÀ»¼öµµ ÀÖ´Ù. ÀúÀÚ´Â ³×Æ®¿öÅ© ¼­ºñ½ºÀÇ ³²¿ë/¿À¿ëÀ» Á¶ÀåÇÏÁö ¾Ê°í, ÀÌ ¹®¼­¸¦ Á¤º¸¸¦ Á¦°øÇÏ´Â ¸ñÀûÀ¸·Î¸¸ Á¦°øÇÑ´Ù. ¸¸ÀÏ ÀÌ ¹®¼­¿¡ ±â¼úµÈ °ÍÀÌ ¸ÞÀÏ ÇÁ·Î¹ÙÀÌ´õÀÇ ¼­ºñ½º ÇÕÀÇ¿¡ À§¹ÝµÇ´ÂÁö È®½ÇÇÏÁö ¾Ê´Ù¸é ¸ÕÀú ±×°Í¿¡ ´ëÇØ Á¤¸®ÇÒ ÇÊ¿ä°¡ ÀÖ´Ù.

4.2 ÀúÀÛ±Ç

Copyright © 1998 Manish Singh <yosh@gimp.org>

Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.

Permission is granted to copy and distribute modified versions of this document under the conditions for verbatim copying, provided that this copyright notice is included exactly as in the original, and that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.

Permission is granted to copy and distribute translations of this document into another language, under the above conditions for modified versions.

Commercial redistribution is allowed and encouraged; however, the author would like to be notified of any such distributions.

All trademarks used in this document are acknowledged as being owned by their respective owners.

4.3 µµ¿ÍÁֽŠºÐµé

ssh Æ÷Æ® Æ÷¿öµù¿¡ ´ëÇØ ¾Ë·ÁÁØ Seth David Schoen <schoen@uclink4.berkeley.edu>¿¡°Ô °¨»çµå¸°´Ù.




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