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³]©w¼·±µ³s½u

µM«á¡M§Ú­Ì±o³]©w¦n modem¡C¦pªG±z¦b Windows ¨º¸Ì³]©w¹L MODEM¡M¥i¯à²Ä¤@®É¶¡·Q§äLinux ¤U­±ªº MODEM ÅX°Êµ{¦¡¡C¦³³o¼Ë²ßºD¬O«D±`¦nªº¡M¦ý¦b Linux ¤U­±«o¨S¦³ MODEM driver ³o¦^¨Æ®@¡C¶â¡S¤°»ò·N«ä¡S«u§r¡M§Ú¥u¯à»¡¡M¦b Linux ¤U­±¨Ï¥Î«D±`¼Ð·Çªº MODEM ³q°Tµ{¦¡¡M¥u­n³q°T¤f(RS232)³]©w¦n¤F´N¥i¥H¨Ï¥Î MODEM ¤F¡C

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  1. ­º¥ý±z­nª¾¹D ISP µ¹±zªº¼·±µ¸¹½X¡N±b¸¹¡N±K½X¡NDNS¡Nµ¥¸ê®Æ¡CÁÙ¦³¡M±z­n½T©w /etc/resolv.conf ¤w¸g³]©w¦n¤F¡C

  2. §ä¨ì MODEM ³s±µ¨ì­þ­Ó³q°T¤f¡C¦pªG±z¤£½T©w¡M¿é¤J¤U­±ªº©R¥O¡R
    cat /proc/tty/driver/serial | grep baud

    ¬Ý¬Ý¿é¥Xµ²ªG¤§¥y¤l«e­±ªº¸¹½X¡MµM«á¦b³o­Ó¸¹½X«e­±¥[¤W ttyS ´N¬O Linux ªº³q°T¤f¤F¡C°²¦p¿é¥Xµ²ªG¦³¨â­Ó(¦]¬°¤@¥x¾÷¾¹¥u¦³¨â­Ó¤u§@ªº³q°T¤f)¡M¨º±z¥i¥H°£¤F modem ¥~¥t¥~Á٨ϥΠserial mouse ¤§¬G¤F¡C³o±¡§Î¡M¿ï¨º­Ó baud «á­±ªº¼Æ¦r¸û°ªªº¨º­Ó¡M¤¤¼úªº¾÷·|·|¤ñ¸û°ª¡C

  3. µM«á¶i¤J X Window¡M¶}¤@­Ó xterm µøµ¡¡MµM«á¿é¤J control-panel &±N±±¨î¥x©I¥s¥X¨Ó(±z¥²¶· su ¦¨ root ¤~¯à°µ¨ì)¡C

  4. µM«áÂI«ö MODEM ¹Ï¼Ð¡R

  5. ¿ï¾Ü¦n³q°T¤f (´N¬O­è¤~§ä¥X¨Óªº¨º­Ó)¡R

    §¹¦¨«á«ö¡¥OK¡¦Â÷¶}¡C

  6. ¦A¿ï¾Ü MODEM ¹Ï¼Ð¤W­±ªº Network ¹Ï¼Ð

    ¿ï¾Ü¡¥Interfaces¡¦¡M«ö¡¥Add¡¦¡C½T©w¿ï¾Üªº¡¥Interface Type¡¦¬°¡¥PPP¡¦¡R

  7. «ö¡¥OK¡¦«á¡M¿é¤J ISP ªº¼·±µ¸¹½X¡C¿ï¾Ü¡¥Use PAP authentication¡¦(¤j¦h¼Æ ISP ³£À³¸Ó¤ä«ù PAP§YPassword Authentication Protocol ¨ó©wªº¡M°£«D±z½T©w±zªº ISP ÄÝ©ó¨Ò¥~«h¤£¿ï¾Ü¸Ó¶µ)¡CµM«á¿é¤J±zªº±b¸¹©M±K½X¡R

    «ö¡¥Done¡¦¤§«á¦AÂI¤@¤U¡¥Save¡¦¡C

  8. µ¥¦^¨ì¡¥Interfaces¡¦µe­±¤§«á¡M½ÐÂI¿ï¡¥Edit¡¦¡C¦pªG¨Ã¨S¦³¦^¨ì¡¥Interfaces¡¦µe­±¡M«hÄ~Äò¤U¤@¨B¡C

  9. ¿ï¾Ü¡¥Customize¡¦¡M©Îª½±µ¬Ý¬Ý¡¥Hardware¡¦¼ÐÅÒ¡M°£«D±z¦³¯S®í­n¨D¡M§_«h±µ¨ü¹w³]«h¥i¡R

  10. ¿ï¾Ü¡¥Communication¡¦¡M¤]À³¸Ó¨S¤°»ò¦n³]©wªº¡C¦pªG±zªº ISP ¦b¼·±µ«á´£¨Ñµn¿ý script Åý±z¶i¦æÀô¹Ò¿ï¾Ü¡M±z¥i¥H³]©w¦n¤U­±ªº¡¥Expect¡¦©M¡¥Send¡¦¡M¦ý±z¤@©w­n½T¤Áª¾¹D ISP ¨ºÃ䪺´£¥Ü¬O¤°»ò(±z¥i¥H¨Ï¥Î minicom ¨ÓÀò±o)¡R

  11. µM«á¿ï¾Ü¡¥Networking¡¦¡M¬Ý¬Ý¦U¶µ³]©w¡M¦³¤°»ò±z¬O»Ý­n­×§ïªº¡C¦pªG±z¥²¶·³q¹L¼·±µ¤~¯à³s¤W Internet ªº¸Ü¡M±z¤@©w­n¿ï¾Ü¡¥Set default route when making connection¡¦¡C¥t¥~¡M¦pªG±zª¾¹D MTU(Maximum Trasmit Unit) ©M MRU(Maximum Recieve Uint)¼Æ­È¡M¤]¥i¥H¼g¶i¥hªº¡R

  12. ³Ì«á¬O¡¥PAP¡¦¡M¦pªG±z­n­×§ï±b¸¹©M±K½X¡M¥H«á¥i¥H¨ì³o¸Ì¶i¦æ¡R

  13. ·í±z§¹¦¨¤§«á¡M«ö¡¥Done¡¦©M¡¥Save¡¦¦^¨ì¡¥Interfaces¡¦µe­±¡M¦b¨º¸Ì¿ï¾Ü±z­è«Ø¥ßªº PPP ¬É­±¡MµM«á«ö¡¥Active¡¦´N¥i¥H¤Wºô¤F¡C

  14. µ¥±zªº MODEM ¨IÀR¤U¨Ó¤@·|«á¡M±z¦A¿é¤J¡R
    ifconfig

    ¦pªG±z¯à¬Ý¨ìÃþ¦ü³o¼Ëªº±Ô­z¡R

    ppp0 Link encap:Point-to-Point Protocol
         inet addr:206.17.113.8 P-t-P:209.76.148.1 Mask:255.255.255.255
         UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
         RX packets:91 errors:0 dropped:0 overruns:0 frame:0
         TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:10   
    
    ®¥³ß±z¡T±z¤w¸g¦¨¥\ªº³s±µ ISP ¤F¡C

  15. ¦A¨Ó¡M±z¿é¤J¡R
    route -n

    ¬Ý¬Ý default route ¬O§_¨Ï¥Î¤F ISP ´£¨Ñªº IP¡R

    default  209.76.148.1  0.0.0.0  UG   0   0    0 ppp0
    
    ¦pªG¬O¡Mbingo¡T¥H«áªº¨Æ±¡´N¬OºÉ±¡¨Ï¥Î internet ¤F¡C¦pªG­n¤U½u¡M±N ppp0 ªº¬É­±¡¥Deactivate¡¦´N¥i¥H¤F¡C

¦pªG±z¨Ï¥Î RedHat 6.1 ¨t²Îªº¸Ü¡M¤£§«¬Ý¬Ý¡§ ¼·±µ¤Wºô?¡¨³o½g¤å³¹¡C

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ÁöµM¡M¦b X Windows ¸Ì­±³]©w¼·±µ³s½u¬O«Ü®e©öªº¨Æ±¡¡MµM¦Ó¡M¦pªG±zÁÙ¨S³]©w¦n X Windows¡M©Î¬O¥Ñ©ó¨ä¥L­ì¦]¥²¶·¨Ï¥Î¤â¤u³s±µªº¸Ü¡M¨º´N½ÆÂø¦h¤F¡C

  1. ©M X Windows ¤@¼Ë¡M­º¥ý§Ú­Ì±o³]©w MODEM¡C¥ýÅý§Ú­Ì¿é¤J¡R
    ls -l /dev/modem

    ³o­ÓÀɮרä¹ê¬O¤@­Ó link ¦Ó¤w¡M±z¥i¥H±q ls ªº¿é¥X¬Ý¨ì¥¦¹ê»Ú³s¨ì­þ­Ó³q°T¤f¥h¤F¡C¦pªG³o­ÓÀɮפ£¦s¦b¡M©Î¬O±z­n­×§ï©Ò³s±µªº³q°T¤f¡M±z¥u»Ý«Ø¥ß©Î§ïÅÜ link ´N¥i¥H¤F¡C¹w³]ªº±¡ªp¤U¡M¦U³q°T¤f³]©w¦p¤U¡R
    device name com port irq io
    /dev/ttyS0 1 4 0x3f8
    /dev/ttyS1 2 3 0x2f8
    /dev/ttyS2 3 4 0x3e8
    /dev/ttyS3 4 3 0x2e8

    ¤£¹L¡M¦b³o¼Ë°µ¤§«e¡M±z¥²¶·­n½T©w±zªº ttyS¡S(­n¯d·NS¬°¤j¼g¡T) ³]³Æ¤w¸g³]©w¦n¤F¡C¦pªG¸Ó³]³ÆÁÙ¨S³]©w¦n¡M¨Ò¦p¡M±z­è´«¦¨ PCMCIA Ãþ«¬ªºMODEM¡M±z´N»Ý­n¨Ï¥Î mknod ³o­Ó©R¥O«Ø¥ß¸Ó³]³Æ¤F¡R

    1.1¡M¥ý§ä¥X³]³Æªº¸ê·½½d³ò¡M¦p¡Rio=0x2e0 irq=10 ¡C
    1.2¡MµM«á±N­ì¨Ó³]³Æ¶i¦æ³Æ¥÷¡Rmv /dev/ttyS0 /dev/ttyS0.bak
    1.3¡MµM«á¿é¤J¡Rmknod -m 660 /dev/ttyS0 c 4 64 # 0x2e0
    1.4¡M¦A¿é¤J¡Rln -sf /dev/ttyS0 /dev/modem
    ³o¼Ë§Ú­Ì´N±N MODEM ³s±µ¨ì ttyS0 (DOS¤U¬° COM1) ³o­Ó³q°T¤f¤F¡C

    ª`·N¡R¦³®É­Ô±z¤]¥i¥H¨Ï¥Î setserial ¨Ó³]©w³q°T¤f¡R
    setserial /dev/ttyS1 irq 3 port 0x02f8 uart 16550a

  2. ·í MODEM ³]©w¦n¤§«á¡M±zÁٻݳ]©w¤@­Ó·í®× /etc/ppp/options(¦pªG¥¦¤w¸g¥X²{¤F¡M¥Î mv ©R¥O±N¤§³Æ¥÷)¡M±N¨ä¤º®e³]©w¬°³o¼Ë¡R
    lock
    modem
    crtscts
    noipdefault
    defaultroute
    asyncmap 0
    noauth
    

  3. ±µµÛ½Ð¦b®a¥Ø¿ý«Ø¥ß³o­ÓÀÉ¡R~/.ppprc ¡R
    noauth
    name netman
    
    (ª`¡R½Ð±N netman §ï¦¨±zªº ISP ±b¸¹)

    ÁÙ¦³¡M¦pªG±z¤£·Q³]©w/etc/ppp/options ÀÉ¡M±z¥i¥H±N options ªº¤º®eÂà¨ì³o¸Ì¨Ó¡C§Ú¬O«Øij±z³o¼Ë°µªº¡Cµ¥±z¬Ý¨ì«á­±Ãö©ó¬[³]¼·±µ¦øªA¾¹ªº®É­Ô´Nª¾¹D¬°¤°»ò¤F¡C

  4. µM«á¡M§Ú­Ì¥i¥H¨Ï¥Î minicom ³o­Óµ{¦¡¶i¦æ´ú¸Õ¡R
    minicom -m8 -c on

    ³o¼Ë±z´N¶i¤J¤@­Ó¦³ÃC¦âªº minicom µe­±¤F¡C¦pªG±z¦b³Ì«á¤@¦æ¬Ý¨ì¡§OK¡¨¦r²´¡M¤]´Nªí¥Ü±zªº MODEM ¤w¸g¦¨¥\±Ò°Ê¤F¡C¦ý¦pªG±z¨S¬Ý¨ì¡§OK¡¨¡M¤S¿é¤J¤£¤F¥ô¦óªF¦è¡M¨º«Ü¥i¯à¬O±z /dev/modm µ¹ link ¨ì¿ù»~ªº ttyS ©Î¬O ttyS ÁÙ¨S³]©w¦n¡C³o®É­Ô¡M±z±o«ö Alt + F2 (©Î¨Ï¥Î telnet) ¶}±Ò¥t¤@­Ó²×ºÝµøµ¡¡M¿é¤J ps aux | grep minicom ¨Ó§ä¨ì minicom ªº PID¡MµM«á±N¥¦ kill ±¼¡M¦A­«·s³]©w¦n±zªº MODEM¡C

  5. ·í¬Ý¨ì¡¥OK¡¦¤§«á¡M¿é¤J¡R
    ATZ

    ³o¬O¤@­Ó MODEM ©R¥O¡M¥Øªº¬O reset ¤@¤U MODEM ª¬ºA¡C¤Z¬O MDOEM ©R¥O³£¬O¥H AT ¶}ÀYªº¡M©Ò¥H¤]¦³¤HºÙ¤§¬°¡§AT©R¥O¡¨¡M¨Ò¦p¡R¦pªG±z¶û±zªºMODEM¤Ó§n¦Õ¤F¡M¥i¥H¿é¤J¡RATM1L1 ±N­µ¶q½Õ§C¡M©Î¤z¯Ü¥Î ATM0 ±N³â¥zÃö¤F(½Ð¥t¦æ°Ñ¦Ò±zªº MODEM ¤â¥U)¡C

  6. ±zÀ³¸Ó·|­«·s¬Ý¨ì¡¥OK¡¦ªº¡CµM«á±z´N¥i¥H¶i¦æ¼·±µ¤F¡M±z¥i¥H¿é¤J¡R
    ATDT93735100

    ³o¤]¬O¤@­Ó MODEM ©R¥O¡M¡¥D¡¦¬O Dial ªº·N«ä¡Q¡¥T¡¦¬O Tone (­µÀW¹q¸Ü)ªº·N«ä¡M¦pªG±z¨Ï¥Îªº¹q¸Ü¬O¯ß¨R¦¡(Pulse)¹q¸Ü(«Ü¥j¦Ñ¤F)¡M«h±N T §ï¦¨ P ¡Q³Ì«á¬O ISP ªº¼·±µ¸¹½X¡C

  7. ¦pªG±z±µ³q¤F ISP ¨ºÃ䪺 MODEM ¤§«á¡M±z·|Å¥¨ì¤@°}¹ËÂø¤§Án¡M¨º¬O MDOEM ¤§¶¡ªº´¤¤â»y¨¥¡M§Ú­ÌºÉ¥i¤£²z¡C§Ú­Ì¥u»Ý¯d·N¤@¤U¦³¨S¦³µn¿ý´£¥Ü¥X²{¡M¨Ò¦p¡R¡§Login:¡¨¡M¦³¨Ç ISP «h¨Ï¥Î¡§User name:¡¨¥N´À¡§Login:¡¨¡C

  8. ¿é¤J±b¸¹¦WºÙ¤§«á¡M±zÀ³·|¬Ý¨ì¡§Password:¡¨ªº´£¥Ü¡C

    °²¦p±z¿é¤J±K½X¤§«á¹ï¤è¦^À³»¡¡RPPP¡RNot enabled¡M¨º¥i¯à¬O±z¼·±µªº³o¥u¸¹½X¼È®É¤£±µ¨ü«D PAP ¤è¦¡ªºµn¿ý¡C±z¥i¥HÁpô±zªº ISP ­n¥t¥~¤@¥u¥»¦a¸¹½X¦A¶i¦æ´ú¸Õ¡C¨Ò¦p¡M°²¦p±z¦b¥x«n¥«¼·±µ seednet¡M¥i¥H¿é¤J atdt2767501 ¶i¦æ¼·±µ¡C¤£¹L¡M¦b§Úªº´ú¸Õ¤¤¡M³o±¡§Î¤]«D¤@¦¨¤£ÅÜ¡M°¸º¸¦h¸Õ´X¦¸©Î³\´N¥i¥H¤F¡C

  9. ¦¨¥\µn¿ý¤§«á¡M±z´N­n¯d·N¨ì ISP ¬O§_´£¨Ñ¤Fµn¿ýµæ³æ¨Ñ±z¿ï¾Ü¡M¨Ò¦p¡R
    1.SLIP
    2.PPP
    3.Telnet
    ½Ñ¦p¦¹Ãþ¡M½Ð¤@¤@§Û¤U¡M¦pªG±z­n¼g±zªº script ´N­n¥Î¨ì¤F¡C

  10. ¦pªG¨S¦³µæ³æ¥X²{¡M¨º»ò³q±`±z´N·|¬Ý¨ì pppd ¨º¨Ç©U§£¦r²Å¥X²{¤F(©Î³\¦³®É­Ô±z­n«ö¤@¤U Enter ¤~¥X²{)¡C

  11. ¤@¥¹±z¬Ý¨ì¨º¨Ç¦r²Å¥X²{¡M±z­n°µªº¬O«ö Alt + Q Áä(¦pªG±z±Ò°Ê minicom ªº®É­Ô¨S¨Ï¥Î¨ì -m °Ñ¼Æ¡M±z­n¥ý«ö Ctrl + A ¦A«ö Q¡M±z¤]¥i¥H¥Î Alt + Z ¬Ý§ó¦hÃö©ó minicom ªº³]©w)¡C

  12. ·í¬Ý¨ì¡§Quit without reset modem?¡¨´£°Ýªº®É­Ô¡M«ö¡¥OK¡¦¸õ¦^¤å¦r¼Ò¦¡¡C

  13. ±µµÛ¿é¤J¡R
    pppd -detach /dev/modem&
    (ª`¡R½Ð±N netman §ï¦¨±zªº ISP ±b¸¹)

  14. ±µµÛ¡M±z¦A¿é¤Jifconfig ©M route ¬Ý¬Ý ppp0 ¬É­±¬O§_¦¨¥\³s±µ¤F¡C¦pªG±z­nµ²§ô³s½u¡M§ä¥X pppd ªº PID µM«á kill ±¼´N¥i¥H¤F¡C

ª`·N¡R(¦b¥xÆW)¥Î¤â¤u¼·±µ¦³®É­Ô«Ü©_©Ç¡M©ú©ú­è¤~³s½u¥¢±Ñªº¡M­«½Æ¬Û¦Pªº°Ê§@¦A¹Á¸Õ´X¦¸©Î³\¤S¥i¥H¤F :)

¨Ï¥Î script ¼·±µ¡C

¦b Linux °Q½×ªO¤W¡M§Ú­Ì±`¥i§Û¨ì¤@¨Ç Linux °ª¤â´£¨Ñªº script ¨Ó¤è«K§Ú­Ìªº¼·±µ¡C³o¸Ì¡M§Ú¤]¦³¤@­Ó script ¥i¨Ñ°Ñ¦Ò¡M¤£¹L­nª`·Nªº¬O¡M§Ú³o­Ó script ¥u¬O´£¨Ñ³Ì²³æªº³s±µ¡M¨Ã¨S¥]¬Aµn¿ýµæ³æ¿ï¾Ü¥\¯à¡C

  1. ²Ä¤@­Ó­n«Ø¥ßªºÀɮ׬O¡R /usr/sbin/ppp-on ¡R
    #!/bin/sh
    #File: /usr/sbin/ppp-on
    #Purpose: a simple PPP dial-up script
    #
    ACC_TMP=/usr/tmp/ppp_acc.tmp
    if [ -f ~/.ppprc ]; then
    	cat ~/.ppprc | grep name | awk '{print $2}' > $ACC_TMP
    	echo ""
    	echo "'.ppprc' found in $USER's home directory,"
    	echo " trying to use user specified account..."
    fi
    if [ -s $ACC_TMP ]; then
    	MYNAME=`cat $ACC_TMP`
    	rm -f $ACC_TMP
    else
    	MYNAME=netman
    	echo ""
    	echo -n "Warning: no account name specified," 
    	echo "using default account '${MYNAME}"
    fi
    echo "PPP is using account ${MYNAME} to connect to ISP ${ISP} ..."
    DIALER_SCRIPT=/etc/ppp/ppp-on-dialer
    #
    exec /usr/sbin/pppd -detach lock modem crtscts \
    /dev/modem 115200 noipdefault defaultroute \
    noauth name ${MYNAME} connect $DIALER_SCRIPT
    

    ¬O§_ı±o pppd «á­±°õ¦æªº¿ï¶µ©M /etc/ppp/options ªº¤º®e«Ü¬Û¦ü©O¡S¨S¿ù°Õ¡M¦pªG±z¯à°÷¤â¤uªº±N ppp options ¥Î©R¥O¦æªº§Î¦¡¿é¤J¡M±z¥i¥H¤£¥²³]©w /etc/ppp/options ÀɮסC¦ý¬Û¤Ï¡M¦pªG±z¤£·Q¦b©R¥O¦æ¿é¤J¡M«h¥æµ¹ options ÀÉ®×¥N³Ò§a¡C

  2. ²Ä¤G­ÓÀɮ׬O¡R/etc/ppp/ppp-on-dialer (¸ô®|¥²¶·©M¤W­±ªº¡¥DIALER_SCRIPT=¡¦¤@­P)¡R
    #!/bin/sh
    #File: /etc/ppp/ppp-on-dialer
    #Purpose: a simple PPP dial-up script
    #
    TELEPHONE=4123000
    DIALSCRIPT=/tmp/dialscript.$$
    #
    trap "rm -f ${DIALSCRIPT}" INT HUP QUIT
    #
    umask 066
    cat <<EOF > ${DIALSCRIPT}
    ABORT '\nNO DIALTONE\r'
    ABORT '\nBUSY\r'
    ABORT '\nNO CARRIER\r'
    ABORT '\nNO ANSWER\r'
    '' '\nATZ\r'
    OK ATDT$TELEPHONE
    CONNECT ''
    EOF
    /usr/sbin/chat -v -f ${DIALSCRIPT}
    rm -f /tmp/dialscript.*  
    

  3. ³Ì«á¡M§Ú­ÌÁÙ­n«Ø¥ß¤@­ÓÀɮסR /usr/sbin/ppp-off :
    #!/bin/sh
    #File: /usr/sbin/ppp-off
    #Purpose: a simple PPP dial-up script
    #
    #
    # Determine device
    if [ "$1" = "" ]; then
            DEVICE=ppp0
            else
            DEVICE=$1
    fi
    #
    # Stop program
    if [ -r /var/run/$DEVICE.pid ]; then
            kill -INT `cat /var/run/$DEVICE.pid` 
    	#ª`·N¡R¡¥`¡¦²Å¸¹¬O¦b¡¥1¡¦Á䥪Ãä
    #
    # Delete lock file
            if [ ! "$?"="0" ]; then
                    rm -f /var/run/$DEVICE.pid
                    echo "ERROR: Removed stale pid file"
                    exit 1
            fi
    #
    # Getting out
            echo "PPP link to $DEVICE terminated."
            exit 0
    fi
    #
    # Not ruuning
    echo "ERROR: PPP link is not active on $DEVICE."
    exit 1
    

  4. µM«á­×§ï /etc/ppp/pap-secrets ¡M±N±zªºISP±b¸¹©M±K½X¼g¶i¥h¡R
    # Secrets for authentication using PAP
    # client        server  secret       IP addresses
    netman  ppp0    Agb-7Rh9 
    

    ª`·N¡R¶}©l¤T­Ó script ÀÉ®×¥²¶·¥Î chmod +x ³]©w¬°¥i°õ¦æÀÉ¡C¦pªG±z­n¤Þ¥Î³o´X­Ó script ¡M­n­×§ïªº¦a¤è¦³¡R

    • /usr/sbin/ppp-on ¤¤ªº¡§NAME=¡¨¥H¤Î ~/.ppprc ¤¤¸ò¦b name «á­±ªº±b¸¹
    • /etc/ppp/ppp-on-dialer ¤¤ªº ¡§TELEPHONE=¡¨
    • /etc/ppp/pap-secrets ¤¤ªº±b¸¹»P±K½X
    • ¥t¥~¡M§O§Ñ¤F­×§ï /etc/resolv.conf ¤¤ªº DNS¡C

  5. µM«á±z¿é¤J ppp-on & ´NÀ³¸Ó¥i¥H³s¤W ISP ¤F¡Q¦pªG­n¤U½u¡M¿é¤J¡Rppp-off §Y¥i¡C

¥H¤W¤T­Ó script ±z¥i¥H«ö³o¸Ì¤U¸ü¡C

¬[³]¼·±µ¦øªA¾¹

«e­±§Ú­Ì¥u¬O¾Ç·|¤F¦p¦ó¼·±µ¥X¥h¡M³o¶È¬O pppd ªº¥\¯à¤§¤@¡M°£¦¹¤§¥~¡M§Ú­ÌÁÙ¥i¥H¥Î pppd ¬[³]¼·¤J¦øªA¾¹®@~~~

§Ú³o¸Ì¤£¥´ºâ¸Ô²Óªº³]©w¤@­Ó½ÆÂø ISP ¦¡ªº¼·¤JªA°È¾¹¡M¦]¬°²o¯AªºµwÅé©M³nÅé³£«D±`¦h¡MÁÙ¦³´£¨Ñ Authentication ªº accounting µ{¦¡¡M¨Ò¦p¡R radiusd ¡C³o¹ê¦b¬O¶W¥X§Ú³o¸Ìªº°Q½×½d³ò¤F¡C¥Î¤U­±ªº¨BÆJ³]©w¡M±zÀ³¸Ó¥i¥H¨Ï¥Î¨ä¥L¹q¸£(Linux ©Î Windows)¼·±µ¶i±zªº Linux ¥D¾÷¡M¤]¥i¥HÅý¤§³s±µ¶i©Ò¦bªººô¸ô¡C

  1. ­º¥ý¡M§Ú­Ì­n­×§ï¦n /etc/ppp/options ³o­ÓÀɮסC³o¸Ìªº³]©w·|¼vÅT¨ì pppd µ{¦¡ªº³]©w¡M¤£ºÞ±z±Ò°Ê pppd °µ¬°¼·¥X©Î¼·¤J¡C ¦]¬°­è¤~§Ú­Ì¤w¸g³]©w¤F options ÀÉ®×Åý¤§°t¦X¼·¥X¡M¦ý¦³¨Ç³]©w¨Ã¤£¾A¦X§@¬°¼·¤J¡C

    §Ú­Ì¥²¶·¥ý²M²z³o­ÓÀɮסC°²¦p±z¥Ø«e¥Î ttyS0 °µ¼·¥X¡M¦Ó¨Ï¥Î ttyS1 °µ¼·¤Jªº¸Ü¡M¨º»ò¡M¥Î¤U­±³o­Ó©R¥O±N options Àɮקאּ¦X¾AªºÀɮצWºÙ¡R
    mv /etc/ppp/options /etc/ppp/options.ttyS0

    ³o¼Ë¡M´N¦A¤]¨S¦³ /etc/ppp/options ÀÉ®×¼vÅT pppd ªº³]©w¤F¡C¦ý§Ú­Ì«o¥i¥H¥Î options.ttySx Àɮרӳ]©w¯S©wªº³q¤f¡M¦Ó¥¦¶È·|¼vÅT³s±µ¨ì¸Ó³q°T¤fªº³]³Æ¦Ó¤w¡C

  2. ±µ¤U¨ÓÅý§Ú­Ì­×§ï°µ¬°¼·¤JªA°Èªº³]©wÀÉ /etc/ppp/options.ttyS1 ¡M¨Ï¤§¬Ý¤W¥h¹³³o¼Ë¡R
    lock
    modem
    crtscts
    asyncmap 0
    passive
    proxyarp
    192.168.0.17:192.168.0.111
    netmask 255.255.255.0
    ms-dns 192.168.0.17
    

    ª`·N¡R³Ì«á¤@¥y¬O¥Î¨Ó¬°«È¤áºÝ«ü©w DNS ªº¡M±z¤]¥i¥H¥Î¦h¥y ms-dns ¨Ó«ü©w¦h­Ó DNS¡C¤£¹L¡M§Ú¨S¹ê¦a´ú¸Õ¹L®@~~¡C

    ¦pªG±z­n¹ï¤èªº¹q¸£¯à³s±µ¨ì¥»¦aºô¸ô¡M¨º»ò¤@©w­n±N proxyarp ¥[¶i¥h¡C¦Ó¤U¤@¥y¬O¥Î¨Ó¤À°t¼·¤J»·ºÝ«È¤á¾÷¨Ï¥Îªº IP ¦a§}¡C±z·|µo²{¤@¦@¦³¨â­Ó IP ¦b³o¸Ì«ü©w¥X¨Ó¤F¡M¥¦­Ì¬O¥Î¡§ ¡R¡¨¨Ó¤À¹jªº¡C¦b¤À¹j²Å¸¹¥ªÃ䪺¬O»·ºÝ«È¤á¾÷¦b¥»¦aºô¸ô¨Ï¥Îªº¦a§}¡M³o­Ó¦a§}¥²¶·¬O¼·¤J¦øªA¾¹³s±µ¥»¦aºô¸ôªº¬É­±¡M©Î¬O¥i¥H±q¥»¦aºô¸ô¸ô¥Ñ±o¨ìªº¦a§}¡C¦Ó¦b¡§ ¡R¡¨¥kÃ䪺 IP ¤~¬O¤À°tµ¹»·ºÝ«È¤á¾÷ªº¹ê»Ú IP¡C

    ¬°¤°»ò·|³o¼Ë³]©w©O¡S¦pªG­n¬ã¨s PPP ªº¸Ü¡M±z¥i¥H¶R¤@¥»ªñ 500 ­¶ªº O'Reilly ¥Xª©ªº¡§PPP ºô¸ôºÞ²z¡¨¬Ý¬Ý¡C³o¸Ì§Ú¥u¯à²³æ¦a¸ÑÄÀ¬°¡R³z¹L proxy-arp (¬Û«H±z¤w¸g¦b¡§ºô¸ô°ò¦¡¨¤§¡§ARP¨ó©w¡¨¤¤±µÄ²¹L¤F)¡M³o¸Ìªº¼·±µ¦øªA¾¹´N¯à°÷¥N»·ºÝªº«È¤á¾÷¦^µªÃö©ó¥¦ªº ARP ¬d¸ß¡C³o¼Ë¡M¥»¦aºô¸ô¤¤(©Î³q¹L¸ô¥Ñ¨ì¹F¥»¦aºô¸ô)ªº¨ä¥¦¥D¾÷®Ú¥»´N¤£·|·NÃѨì¸Ó»·ºÝ¬O¦b¥t¥~¤@­Óºô¸ôªº¡C±q¦Ó¤]´N¹F¦¨¶¶§Qªº IP ³q°T(·íµM­n±Æ°£³s½u»Ùê°Õ)¡C

    °²¦p±z¥u¦³¤@¥x modem ±µ¨ü¼·¤J¡M©Î±z·Q¥Î¥»¨­³o¥x¥D¾÷ªº IP ¨Ó°µ proxy-arp ªº¸Ü¡M¦b¡§ ¡R¡¨²Å¸¹¥ªÃ䪺 IP ¥i¥H¬Ù²¤¡C

    °²¦p±z¦³¶W¹L¤@­Ó modem ¨Ó±µ¨ü±µ¼·¡M¨º»ò³Ëªk³o­Ó options.ttyS1 «Ø¥ß¨ä¥¦ options.ttySx ÀÉ´N¬O¤F¡C

  3. ­×§ï /etc/mgetty+sendfax/login.config ÀɮסM±N¤U­±³o¦æªºµù¸Ñ¡§#¡¨®³±¼¡R
    /AutoPPP/ - a_ppp /usr/sbin/pppd -detach auth -chap +pap login debug
    

  4. ­×§ï /etc/mgetty+sendfax/mgetty.config ÀɮסA­×§ï¦p¤U³¡¤À¡R
    port ttyS1
      debug 3
      data-only y
    ¡@init-chat "" ATZ OK AT&F1M0E1Q0S0=0 OK
    ¡@answer-chat "" ATA CONNECT \c \r
    

  5. ­×§ï /etc/inittab ÀɮסM¦b³Ì«á­±¥[¶i¤U­±³o¦æ(¦pªG¸Ó¡¥s0¡¦¤w¸g¦s¦b¡M±N­ì¨Óªº¥Î¡¥#¡¦µù¸Ñ±¼)¡R
    s0:2345:respawn:/sbin/mgetty -D -a modem ttyS1
    

    ¦pªG±zªº³]³Æ¦³§O©ó ttyS1¡M½Ð¦Û¦æ§ó§ï¡M¦p­Y¦³¦h¥x¼·¤J MODEM ªº¸Ü¡M°Ñ¦Ò¤W­±¥y¤l½Æ»s¦A­×§ï´N¥i¥H¤F¡C

    µM«áÅý³]©w¥Í®Ä¡M°õ¦æ¡R
    init q

  6. ­×§ï /etc/ppp/pap-secrets ¡M±N­n¨Ï¥Î¼·±µªA°Èªº¨Ï¥ÎªÌ¥[¶i²M³æ¤¤ ¡R
    # Users allowed for PPP connection
    netman	*  netman-ppp-pwd  *
    kenny	*  kenny-ppp-pwd  *
    pppuser1 *	""	*
    ......
    

    ¦b§Úªº´ú¸Õ¤¤¡M¥u­n¨Ï¥Î PAP ¾÷»s¶i¦æ PPP ³s±µªº¸Ü¡M´N¥²¶·¦b pap-secrets ¤¤¬°¨Ï¥ÎªÌ³]©w±K½X¡M¦Ó¤£²z·|­ì¨Ó¨t²Î¤¤¨Ï¥Î¤°»ò±K½X³£¥i¥H¡C¤£¹L¡M¦pªG±z¤Þ¥Î²Ä¤T¦æªº¡§pppuser1¡¨¨º¼Ë±N±K½X³]©w¬° ""ªº¸Ü¡M¨º¼Ë´N¥u·|¥Î¨t²Îªº±K½X¶i¦æµn¿ý¤F¡C

  7. ³Ì«á¡M½Ð°õ¦æ¡R
    chmod u+s /usr/sbin/pppd

±µ¤U¨Ó´N¬O±z¶i¦æ´ú¸Õªº®É­Ô¤F¡C·í Linux ¼·¤J MODEM ÅT°_¤§«á¡M¦pªG MODEM ¤§¶¡¥¼¯à«Ø¥ß°_³s½u¡M¨º»ò¶i¤J mimicom ©Î¨ä¥L MODEM ¾Þ§@µ{¦¡¡M¥´ ¡¥ATA¡¦´N¥i¥HÅý¨â¥x MODEM ¶i¦æ´¤¤â¤F¡C¦pªG±z·Q³]©w¬°¦Û°Ê¦^µª¡M¨º»ò±z¥u­n¿é¤J ATS0=1 ¡C³Ì«á«ö Alt + Q (¦pªG¨Ï¥Î minicom -m ªº¸Ü)¡M¤£­«·s reset modem ¦ÓÂ÷¶}´N¥i¥H¡C ¤£¹L¡M³q±` /etc/inittab ©M mgetty ³]¦n¤FÀ³¸Ó¬O«Ü¶¶§Qªº¡C

³o¼Ë¡M±z´N¥i¥H¨Ï¥Î Win9x ¼·¸¹³s½u¡M©Î RedHat ªº X window ±±¨î­±ªO¨Ó¶i¦æ PPP ³s±µ¡M³o¸Ì©Ò«üªº³s±µ¬O¨Ï¥Î¤F PAP ¾÷»sªº¡C¦pªG¦b linux ¥Î minicom ©Î¨ä¥¦¤â¤uµ{¦¡¼·±µ¡M©Î¬O¦b Windows ¿ï¾Ü¤F¡¥¼·±µ«á±a¥X²×ºÝ¡¦¨Ó³s½u¡M¦b³q¹L PAP »{ÃÒ¤§«e¡M¨Ï¥ÎªÌ¤´µM¥i¥H¶i¦æ¨t²Îµn¿ý¡M¨ä±¡§Î´N¹³ telnet ¤@¼Ë¡C¦pªG±z·Q­­¨î¨Ï¥ÎªÌ¥u¯à¨Ï¥Î PPP ¡M±z¥i¥H­×§ï /etc/passwd ³o­ÓÀɮסM±N¨Ï¥ÎªÌªº shell «ü¦V¥t¥~¤@­Ó ppplogin ªº script¡C¨BÆJ¦p¤U¡R

  1. ¥ý¥Î useradd ¼W¥[¼·±µ±b¸¹(§O§Ñ¤F¥Î passwd ³]©w±K½X)¡MµM«á­×§ï /etc/passwd ÀɮסM°O±o§â³Ì«áªº shell «ü¦V¥t¤@­Ó script¡R
    pppuser1:x:1500:100::/home/pppuser1:/bin/ppplogin
    

  2. µM«á«Ø¥ß(©Î­×§ï) /bin/ppplogin ¡R
    #!/bin/sh
    ¡@¡@mesg n
    ¡@¡@stty -echo
    ¡@¡@/usr/sbin/pppd -detach passive
    

  3. ¤§«á§O§Ñ¤F°õ¦æ¡R
    chmod +x /bin/ppplogin

¤W­±ªº scrip ·|ª½±µ´À¨Ï¥ÎªÌ±Ò°Ê PPP ³s±µ¡M¦ý¦pªG±z·Q¬°¨Ï¥ÎªÌ´£¨Ñ¤@­Óµn¿ýµæ³æªº¸Ü¡M¥i¥H°Ñ¦Ò¦p¤U¨Ò¤l¡C
#!/bin/sh
stty pass8
while true
  do
  /usr/bin/clear
  echo ""
  echo "Welcome to netman's PPP server!"
  echo "-------------------------------"
  echo ""
  echo "Please pick a number from following options:"
  echo 	1. PPP
  echo	2. Telnet
  echo	3. Terminate
  echo -n "-->"
  if read CHOICE
    then /usr/bin/clear
    case "${CHOICE}"
    in
     '1') echo ""
	  echo "Starting PPP..."
     	  /usr/sbin/pppd ;;
     '2') echo ""
	  echo "Pleae type 'open' followed by the remote host name."
	  echo "And type 'quit' when you finish."
     	  /usr/bin/telnet ;;
     '3') echo ""
	  echo "Good bye~~!"
	  break ;;
    esac
  else
    exit
  fi
done



´ú¸Õ

  • ¦pªG±z­n¨Ï¥Î script ªº¸Ü¡M¨ä¹ê¡M¾ã­Ó¼·±µ¹Lµ{¤¤¡M³ÌÃöÁäÂIÁÙ¬O¨º­Ó chat script¡C¦pªG±z°Ñ¦Ò«eªù¤¶²Ðªº¤T­Ó scripts (ppp-on, ppp-on-dialer & ppp-off)¨Ó°µ¼·±µ³s½u¡M¦Ñ¬O¤£¦¨¥\¡M§ï¥Î³o­Ó²³æªº¤èªk¡C

    ¥ý«Ø¤@­Ó chat script¡M¦s¬° /etc/ppp/chat.scr¡M¤º®e¦p¤U¡R
    "" "ATZ"
    "OK" "ATDT4123000"   
    "CONNECT" ""
    

    µM«á¡M­×§ï /etc/ppp/options¡MÃþ¦ü¦p¤U¡R
    -detach
    /dev/modem
    lock
    idle 600
    noauth
    modem 115200 crtscts
    defaultroute
    name "your_isp_account"
    connect '/usr/sbin/chat -v -f /etc/ppp/chat.scr'
    

    ¤]´N¬O±N±zªº ISP ±b¸¹©M chat script ¼g¶i³o­ÓÀɸ̭±¡MµM«á°õ¦æ pppd& ´N¥i¥H¶i¦æ¼·±µ¤F¡C¦p­nÂ_½u¡M¥i¥H°õ¦æ ppp-off, ©Îª½±µ kill ±¼ pppd ªº PID.

  • ­nª`·N¤@ÂI¡R°µ ppp dial-up client ©M°µ ppp dial-in server ªº /etc/ppp/options ³]©w¬O¤£¤@¼Ëªº¡C¦pªG±z­nÂà´«¨¤¦â¡M§O§Ñ¤F­×§ï³o­Ó options ÀÉ¡M¥H¤Î¹ïÀ³ªº options.ttySxx ÀÉ¡C

  • ¦pªG±z¦b¨Ï¥Î PPP ¼·±µ¦³°ÝÃD¡M¦b±Ò°Ê pppd ªº®É­Ô¡M¥i¥H¥[¤J -d ©M -detach ¨ÓÆ[¹î¿é¥Xµ²ªG¡Q·íµM¡M¤]¥i¥H¥Î minicom ©Î dip µ¥ terminal «Ì¹õ¨Ó¬d¬Ý¨C¤@­Ó¨BÆJ¡C¦Ò /var/log/messages ¤¤ªº°O¿ý¤]¦³§U¬ã§P°ÝÃD©Ò¦b¡C

  • ¦pªG»¡¤°»ò PAP Authentication fail for usernameXXX ¡M©Î¬O¤@³s¤W´NÂ_½uªº¸Ü¡M½ÐÀˬd server ºÝªº /etc/ppp/pap-secrets ¦³¨S¦³¸Ó¨Ï¥ÎªÌ¦WºÙ¡M©M±K½X¬O§_¤@­P¡C¦pªG±z¬O¥Î¤â¤u¼·±µªº¸Ü¡M§O§Ñ¤F¦b pppd ©R¥O¦æ¡M©Î¨ä¥¦ options Àɤ¤¥]§t¦³ name usernameXXX ¦r¦ê¡C

  • ¦pªG¬Ý¨£ Peer is not authorized to use remote address ip.ip.ip.ip ªº¸Ü¡M¨º»ò½Ð½T©w¦b client ºÝªº /etc/ppp/options ©Î /usr/sbin/ppp-on ³o­Ó script ¦³ noauth ªº³]©w¡C

  • ¦pªG±z¦b Windows ¥Î±a¥X²×ºÝ¨Ó¼·±µ¡M­nª`·Nªº¬O¡R¡§³s½u¨ì¡¨µe­±¤¤ªº±K½X¬Oµ¹ PAP ¥Îªº¡M¦Ó terminal ¤¤¿é¤Jªº±K½X«h¬O¨t²Î±b¸¹µn¿ý(°²¦p±z¤¹³\¥L­Ìª½±µµn¿ýªº¸Ü)¡C

  • ¦¨¥\¼·±µ¤§«á¡M¦pªG¤£¯à¦s¦b»·ºÝ¸ê·½¡M½Ð½T©wÂù¤èªº routing ³]©w¥¿½T¡Rserver ¨ººÝ¥²¶·¦³ proxy-arp ªº³]©w¡M¦pªG»·ºÝ IP ©M¥»¦aºô¸ô¤£¬O¦P¤@­Ó subnet ¡M¨º»ò­n¬°¤§«Ø¥ß routing ¡Q¦b«È¤á¾÷¨ººÝ¥²¶·¦³ defaultroute ªº³]©w¡M±z¥i¥H¥Î route ©R¥O¨Ó½T©w default gw «ü¦V PPP ªº³s½u¡C

  • ¦pªG¼·±µ«áÁöµMÀò±o IP ¡M¦ý·í³s±µ¥~­±ªº®É­Ô modem «o¨S¦³¤ÏÀ³¡C¨º´N½Ð¿é¤J route -n ¬Ý¬Ý default ¦³¨S¦³¥]¬A ppp ³s½u¡C¦pªG¨S¦³¡M¬O±z¤w¸g¬°¥D¾÷¥»¨­«ü©w¤F default gateway (±z¥i¥H¬d¤@¤U /etc/sysconfig/network ¬Ý¬Ý)¡M³o¼Ëªº¸Ü¡M½Ð°õ¦æ¡R
    route add default dev ppp0

  • ¦b routing ¸Ñ¨M¤§«á¡M¥u¯à¥Î IP ¦a§}¦Ó¤£¬O¥D¾÷¦WºÙ³s½uªº¸Ü¡M¨º¬O /etc/resolv.conf ³o­ÓÀɮרS³]©w¦n¤F¡C±N¥»¦aºô¸ô©Î ISP ªº DNS ¦øªA¾¹ IP ¼g¶i¥h´N¥i¥H¤F¡M¦p¡R
    nameserver	139.175.55.244
    

  • ³Ì«á¦³¤@ÂI´£¿ô±zªº¬O¡R­ì¥»§Ú¦b¼g¡§¾Ç²ß Linux¡¨ªº®É­Ô¬O¿ï¥Î RedHat6.0 + CLE0.8 ¨Ó´ú¸Õªº¡C¤£¹L¡M¥Ø«e¦b§ó·s¤å³¹ªº®É­Ô¡M«o¬O¨Ï¥Î Linpux6.4 (RedHat6.2)¨Ó¶i¦æ¡C¦pªG±zµo²{¦]¬°ª©¥»¤£¦P¦Ó¾É­P¬Y¨Ç³]©w¥¢»~¡M¨º½Ð±z¦Û¦æ°£¿ù¡M©Î´«¦¨ RH6.2 ¨Ó´ú¸Õ¤F¡C

¦pªG±zÁÙ¦³¥ô¦óÃö©ó PPP ªººÃ°Ý¡M¥i¥H¬Ý¤@¤U PPP¡NSerial¡Nmgetty µ¥ HOWTO¤å¥ó¡C¤]¥i¥H¶R O'Reilly ªº ¡§PPP ºô¸ôºÞ²z¡¨³o¥»®Ñ¦^¨Ó°Ñ¦Ò¡C

 

 


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Last Updated: June 20, 2001