|   
                IP ϴ. Ϲε  
                PPP ų   ȣ  ´ٵ Ǵ  
                ް ִ SOHO(Small Office Home Office)ȯ濡 Ʈ 
                ϰ ϴ 鿡 ϳ IP   ǻ 
                ϱ Ʈŷ  ٰ ۿ .ϴ IP Masquerade ϸ IP Address Ҵ 
                 ǻͿ   Ʈ ø̼   
                ִµ ̰  Ŀο ϴ ̸ ؼ /Ǿ 
                ִ.    IP Masquerade ϰ   
                 ø̼ 뿡  Ʈ Ӽӵ  ǰ 
                ִ.
 Windows 95 Windows NT Wingate α 
                ̿ϸ ̿ ϰ     ϴ 
                  ϸ鼭 Wingate 뿡 ؼ ƹ ߰ 
                  ϴٴ  ִ.
  ϳ 
                IP ͳݿ ִ ұԸ  ȯ . е鵵 
                SOHOȯ   ִ.
 [ 1. Ʈ ]  1  Ǵ   
                ̰ ִ ̴.ڽ 33600 Ǿ 
                ְ   Ͽ   ISP(Internet Service Provider 
                : ͳ  ü)  Ǿ ִ. , 1, 
                2  NE2000ȣȯ ̴ ī(  ī θ) 
                Ǿ UTP Ǿ ִ.  BNC  .
 IP Address 192.168.x.x ο  ϵ 
                Ҵ C Class IP̹Ƿ ̰     
                ϸ ȴ.     ֵ ӽ鿡 ͳ 
                ϱ ؼ  ľߐ ѵ Ϲ 츦 
                .
 * ο   IP 
                Address * 
                 
                        
                            | class | IP 
                            Address | Subnet 
                            Mask |  
                        | A | 10.0.0.0 
                            ~ 10.255.255.255 | 255.0.0.0 |  
                        | B | 172.16.0.0 
                            ~ 172.31.255.255 | 255.255.0.0 |  
                        | C | 192.168.0.0 
                            ~ 192.168.255.255 | 255.255.255.0 |    쿡 (hoem.hitel.net) telnet 
                Ͽ ϰ Ѵٸ  telnet Ŭ̾Ʈ (peace.left.com) 
                ִ   Ŀ   telnet Ͽ 
                ܺο ִ ȣƮ ڷ Ͽ Ѵ.ͳ 
                 Ҹ Web  ݽ IE   
                ϴµ  ӽ      
                . ̶   ڽ  Ŀ lynx ؽƮ 
                 ؾ߸ ϴµ ̴ ϱ ¦  ̴. 
                ظ  Ͽ   .
 [ 2. Ϲ ]   ϴ IP Masquerade 
                ̿ϸ ӽ ٷ ͳݿ  ȣƮ  
                 ִ.  2  쿡  ̷Ʈ 
                ڿ   ִµ ̶ ӽ ٷ telnet home.hitel.net̶ 
                Ÿθ ϸ  ϴ.  Netscape̳ Arena  
                  Ͽ ͳ    ִ. Ʒ  
                .
 [ 3. IP-Masquerade  ]     ͳ ٷ 
                 Ǿ ӽ ġ ÷̰  ̳ ͳ 
                 Ǵ   Ʈ ø̼ǵ   ִµ ̰ 
                ٷ 츮 ϰ ϴ IP Masquerade ̴.   
                IP Masquerade Ͽ Ѳ ο ٴٷ پ  
                .   1. 䱸 2.   
                 Ŀο IP Masquerade ϵ ϱ 
                 Ŀ Ͽ Ѵ. ĿϿ    
                ٷ Ƿ Ŀ úκ ϱ ٶ.  
                  ٸ κ Ϲ  ٸ  make config 
                Ʒ   δ Yes ֱ⸸ ϸ ȴ. ϴٸ 
                X-window make xconfig ϰ  صθ 
                ٽ   ϴ. enable loadable module support [Y]networking 
                support [Y]
 networking firewalls [Y]
 tcp/ip networking 
                [Y]
 ip forwarding/gatewaying [Y]
 ip firewalling [Y]
 ip masquerading(EXPERIMENTAL) [Y]
 ip always defragment [Y]
 dummy net driver support [Y]
 ipautofw masquerade support 
                [Y]
 Ŀ  κ ؼ ʴ  
                Ѵ. Ŀ  ġ    , ġѴ. make modules; make modules_install depmod -amodprobe ip_masq_ftp
 modprobe 
                ip_masq_raudio
 modprobe ip_masq_irc
 .
 .
 .
  ߰ ϰ ϴ ø̼ 
                е  ˾Ƽ ߰ϸ ȴ.   cuseeme 
                ϰ Ѵٸ modprobe ip_masq_cuseeme ָ߰ ȴ. 
                   ִ ø̼ǿ ؼ ˾ƺڸ ftp, real 
                audio, vdolive, quake, irc, CU-Seeme ִµ ̴ /usr/src/linux/modules 
                Ȯغ  ִ.Ŀ  κ  .
 δ  Ǿ ִ ٸ Ŭ̾Ʈ νϱ 
                ؼ /etc/hosts   ϵ .
 copyleft:/etc]# cat hosts
 
                        
                            | 127.0.0.1 | localhost | localhost.localdomain |  
                        | 192.168.0.1 | peace.left.com | peace /* linux */ |  
                        | 192.168.0.10 | nox.left.com | nox /* windows 1 */ |  
                        | 192.168.0.20 | copy.left.com | copy /* windows 2 
                            */ |  copyleft:/etc]#
 127.0.0.1 ȣƮ ڱ ڽ Ųٴ 
                  ˰  ̴.  Ʒ ڽ ϰ 
                ϴ ȣƮ  ָ ȴ.  ° Į   alias 
                ǮȣƮ ſ ڽ ϴ    ִ.   
                  ϸ  IP Ӽ ϴ  
                ƴ϶ hostsϿ ϰ ʹٸ   ߰ټ 
                ִ. 203.245.15.250 home.hitel.net hitel  ʹ  telnet home.hitel.net̶ 
                 ʿ䰡  telnet hitelε  ϴ. ̰ 
                ʿ ־  ͵鿡 ؼ ˾ƺҰ ʿ 
                ؼ ˾ƺ .   3.   
                쿡 Ư   .Ʈ ϱ ؼ TCP/IP Protocol ġְ  
                ؼ ܺη ٴ  ˷ֱ⸸ ϸ ȴ.  Ʒ 
                   ϳϳ غ .
 3.1. ȭ Ʈũ ȯ濡 콺  
                ư   ϴ Ǵ ǿ ִ Ʈũ 
                Ѵ. 3.2. ġ Ʈ ҿ TCP/IP 
                ġǾ ִ Ȯ Ŀ ٸ "߰"-""-"߰"-"Microsoft"-"TCP/IP" 
                 ߰Ѵ. 3.3. TCP/IP ߰ Ŀ ŬϿ â 
                . 3.4. IPּ ǿ Ҵ IPּһ üũϰ 
                IPּҿ Ʈ ũ д. IPּҴ   
                 ָ ȴ.  /etc/hosts  192.168.0.10 
                 Ʈ ũ C class 255.255.255.0 ´. 3.5. Ʈ  Ͽ ڽ 
                IP ش.  ڽ 192.168.0.1̹Ƿ ̸ ְ 
                "߰" . 3.6. Ȯ    ٽ Ѵ. 3.7. â    Էغ. 
                ping 192.168.0.1192.168.0.1  IP Address̸ 
                   ϴ Ѵ. ms  
                   ۵ϴ ̳ ƹ  ٸ 
                ϵγ Ʈ ߸ κ  ٽ 
                ѹ Ȯϱ ٶ.
   4. Now! IP-Masquerading... 
                  ӽ    
                .  ٽ  ڽ ƿ. ipfwadm 2.3̻  
                Ͽ Ʒ   . copyleft:~]# ipfwadm -F -p denycopyleft:~]# 
                ipfwadm -F -a m -S 192.168.0.10/24 -D 0.0.0.0/0
 copyleft:~]# 
                ipfwadm -F -a m -S 192.168.0.20/24 -D 0.0.0.0/0
 copyleft:~]#
  ipfwadm IP Firewall Adminastration̶ 
                ̾  α̸ -S   Ŭ̾Ʈ IP 
                Address ָ ȴ. IPڿ  24 Ʈũ̸ 
                 192.168.0.10 C Class ϹǷ 24ſ 255.255.255.0 
                ־ .   Ǿ Ȯϱ 
                Ͽ  ISP PPP    â 
                   Էغ.
 telnet home.hitel.net ڳâ  ڷ  Ͽٸ 
                    ̴.  ڷ  ȵȴٸ 
                ٸ   õغ   ϸ   
                ٽѹ ݺؼ غ.
 
                        
                            | Ϲ 
                             ۵ϴ Ŭ̾Ʈ |  
                        | HTTP | POP | SMTP |  
                        | Telnet | FTP | Archie |  
                        | NNTP | VRML | traceroute |  
                        | IRC | Gopher | Real Audio |  
                        | CU-SeeMe |  츮 ϴ ͳ   
                 ְ Ǿ. ڳ 쿡 ̾߱⳪ ҵŸ  ̿Ͽ 
                ٷ ϴ ȣƮ  ϸ Netscape, Internet exploror 
                    ִ.
 ftp    
                 ִ.  쿡 ws_ftp ϴµ Ȥ  ǰ 
                Ŀ  ϸ鼭  źεǴ 쿡 Ʒ  
                Ÿ ٿ  apssive transpers ϸ ƹ  
                  ִ.
 [ 4. ws_ftp ]    ø̼ 100%  
                  ִ  ƴϴ. Ʈ ÷̰  ̳ 
                ͳ, ݹ    ø̼  ۵ 
                ʴ´. ٰؼ     ƴϴ.   
                Ұ ׳  ѱ ʱ ̴.   ̸ 
                ϰ ϱ Ͽ   ø̼   
                 ϰ ִ.        
                밡   ø̼ǵ鿡 ؼ ˾ƺ .   5. IP-Masq Ȱ. 
                 츮 ϴ IP ؼ κ 
                ˾ƺҰ   ܰ پ  ø̼  
                ؼ ̾߱ϱ ϰڴ.  ƺθ    
                ˾ƺ. ƺ - Diablo (battle.net)Ƽ 
                ̿ ϴ ̶   ʾƵ   ̴. 
                ƺθ ϱ ؼ ipautofw̶ ƿƼ ʿѵ 
                ̰ http://www.hwy401.com   ִ. ٿε  Ŀ /usr/local/src 
                Ǯش.
 tar xfvz ipautofw.tgz  Ŀ Ͻÿ Ʒ   
                ָ ȴ. cd/usr/src/linuxpatch -p1 < /usr/local/src/ipautofw/2.0.0/ipautofw-2.0.0.diff
 make mrproper
 make config
 make dep
 make clean
 make zlilo
 cd/usr/local/src/ipautofw/2.0.0
 make
 make install
  ƺη ÷̸ ϱ ؼ  
                 ipautofw ϸ ȴ. ipautofw -A -r udp 61126112 -c tcp 116ipautofw -A -r udp 61126112 -c tcp 118
  ʿ ƺθ Ͽ Ʈ 
                ÷̸ ܺ. ̻ ƺ 츦 ˾ƺҴµ ͳ̳ 
                ݹ   ݾ ٸ.   ִ ø̼ 
                ڰ         
                  Ȱ ؼ  ص Ʈ http://dijon.nais.com/~nevo/masq 
                   ϱ ٶ.     ƴϴ 
                ʿ ø̼ ִٸ  õغ.    ϴٰ   93 
                ø̼ Ʈ̴. IP-Masquerade  Ʈ Games (15) 
                    1. Diablo (battel.net)2. QuakeWorld
 3. Red Alert
 4. SubSpace
 5. InterCasino
 6. Quake
 7. Kali
 8. Monopoly
 9. Legal Crime
 10. Ultima 
                    Online
 11. Total Annihilation
 12. Mplayer Games 
                    Network
 13. Tanarus
 14. Figher Ace Beta
 15. 
                    Netrek
 Chat Programs (18) 
                    1. IRC2. ICQ
 3. CU-SeeMe
 4. Internet Phone
 5. Speak Freely v6.1b
 6. AOL Instant 
                    Messenger
 7. Westwood Chat
 8. VoxChat
 9. VDO 
                    Phone
 10. Microsoft NetMeeting
 11. OnLive Traveler!
 12. OnLive Talker!
 13. Iris Phone 2.5
 14. IDT Net2Phone
 15. iChat
 16. IPhone
 17. PowWow
 18. VoxPhone 
                    3.0
 Utilities (10) 
                    1. SSH2. DNS behind Masq
 3. X-Windows
 4. Citrix WinFrame Client
 5. Citrix WinFrame Server
 6. Remotely Possible v3.2
 7. pcAnywhere v7.5
 8. 
                    Timbuktu Pro
 9. Atom Time 95
 10. Symantec Live Update
 Web Stuff (7) 
                    1. VDO Live2. Real Audio
 3. MS 
                    Netshow 2.0
 4. Real Player
 5. PointCast 2.0
 6. VDO Video
 7. HTTP behind Masq
 Miscellaneous (3) 
                    1. HTTP2. FTP
 3. Telnet
 4. 
                    NFS
 5. SMB
 6. CleanSweep 3.0 AutoUpdate
 7. Windows 
                    Networking
 8. FTP behind Masq
 9. TheDJ Player
 10. PPTP
 11. America Online
 12. Bottle Mail 1.2
 13. IPX
 Requests (29) 
                    1. MotoRacer2. Cool Talk
 3. Internet 
                    Phone
 4. Active Worlds
 5. Interstate 76
 6. Kali 
                    w/o Proxy
 7. Hexen 2
 8. Kahn 95
 9. SuperFTP
 10. Streamworks
 11. Dark Reign
 12. Intel Video Phone
 13. NT Logon
 14. iChat Pager
 15. Ding!
 16. Microsoft 
                    DirectPlay
 17. SQL*NET tools
 18. Age of Empires
 19. IIS 3.0 FTP
 20. mp3-Wolf
 21. PGPhone
 22. 
                    Ultim@te Race
 23. wwwoffled 1.x
 24. Netscape Conference
 25. Microsoft Exchange
 26. Myth : The Fallen Lords
 27. Connectix Video Phone 2.x
 28. Outpost 2
 29. 
                    Carbon Copy 32
 Craveyard (1)   http://www.hwy401.com http://www.wiznet.ca/~ambrose
 http://ipmasq.home.ml.org
 http://www.indyramp.com/masq
 http://dijion.nais.com/~nevo/masq
 IP-Masquerade    
                ϼǾ ϴ  ƴϴ. ݵ     
                ϰ  Ƹ     ϰ   
                ִ  õ ̴.  ϴ   
                OS η    ̶ Ͼ ǽġ ʴ´. 
 
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