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 -a modprobe 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 192.168.0.1 192.168.0.1 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 deny copyleft:~]#
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/linux patch -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 116
ipautofw -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. IRC 2. 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. SSH 2. 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 Live 2. Real Audio 3. MS
Netshow 2.0 4. Real Player 5. PointCast 2.0
6. VDO Video 7. HTTP behind Masq
Miscellaneous (3)
1. HTTP 2. 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. MotoRacer 2. 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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