CHAPTER 7 DEMONSTRATE THE PAN IN LINUX

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1 CHAPTER 7 DEMONSTRATE THE PAN IN LINUX SYSTEM The new model - Network Access Point Group Network 7.1 DEMONSTRATION Software: All machines are installed with Linux Redhat 8.0 Hardware list:- There are two laptops and one PC and three Bluetooth USB adaptors. Sony Pentium III laptop connects with MITSUMI Bluetooth USB adaptor, Acer Pentium II laptop connects with TDK Bluetooth USB adaptor, and PC Pentium IV connects with MITSUMI Bluetooth USB adaptor. Apache(web server): GN Sony laptop(enochome) setup as Apache server. IP assign: For the GN Laptop, inet IP is assigned; For the Client 1 PC, inet IP is assigned; 1

2 For The Client 2 Acer Laptop, inet IP is assigned. 7.2 MASTER_GN (SONY LAPTOP) TERMINAL DUMP (About the explanation configure bridge(br0), please see 6.12) root]# brctl addbr br0 root]# ifconfig br root]# brctl setfd br0 0 root]# brctl stp br0 disable Explain: initial GN Group Ad-hoc networks, affix_pan.o should be auto-load root]# btctl paninit gn bt0 Explain: The bridge port 'pan0' has been created on the GN root]# brctl addif br0 pan0 root]# ifconfig pan root]# btctl role allow master root]# brctl show bridge name bridge id STP enabled interfaces br a096203e26 no pan0 Explain: check your routes and iptables(use ifconfig, route and iptables -t nat -L): root]# ifconfig br0 Link encap:ethernet HWaddr 00:A0:96:20:3E:26 inet addr: Bcast: Mask: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:43 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:6105 (5.9 Kb) bt0 Link encap:unspec HWaddr 00-A E UP RUNNING MTU:1500 Metric:1 RX packets:28 errors:0 dropped:0 overruns:0 frame:0 TX packets:19 errors:0 dropped:0 overruns:0 carrier:0 2

3 collisions:0 txqueuelen:10 RX bytes:266 (266.0 b) TX bytes:638 (638.0 b) eth0 Link encap:ethernet HWaddr 08:00:46:4E:0D:94 inetaddr: Bcast: Mask: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:778 errors:0 dropped:0 overruns:0 frame:0 TX packets:230 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:55951 (54.6 Kb) TX bytes:28530 (27.8 Kb) Interrupt:9 Base address:0x2000 lo Link encap:local Loopback inet addr: Mask: UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:72 errors:0 dropped:0 overruns:0 frame:0 TX packets:72 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:4682 (4.5 Kb) TX bytes:4682 (4.5 Kb) pan0 Link encap:ethernet HWaddr 00:A0:96:20:3E:26 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:20 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:25 RX bytes:0 (0.0 b) TX bytes:3140 (3.0 Kb) root]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface * U eth * U br * U lo default UG eth0 root]# brctl show bridge name bridge id STP enabled interfaces 3

4 br a096203e26 no pan0 root]# brctl showmacs br0 port no mac addr is local? ageing timer 1 00:a0:96:20:3e:26 yes 0.00 NAT table root]# iptables -t nat -L Chain PREROUTING (policy ACCEPT) target prot opt source destination Chain POSTROUTING (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Explain: set up Network Address Translation (NAT) for all packets leaving eth0 root]# iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE Explain: enable ip forwarding root]# echo 1 > /proc/sys/net/ipv4/ip_forward Explain: check POSTROUTING enable anywhere mode root]# iptables -t nat -L Chain PREROUTING (policy ACCEPT) target prot opt source destination Chain POSTROUTING (policy ACCEPT) target prot opt source destination MASQUERADE all -- anywhere anywhere Chain OUTPUT (policy ACCEPT) target prot opt source destination 7.3 CLIENT 1(PC) TERMINAL DUMP root]# btctl 4

5 root]# ifconfig bt0 Link encap:unspec HWaddr 00-A UP RUNNING MTU:1500 Metric:1 RX packets:21 errors:0 dropped:0 overruns:0 frame:0 TX packets:19 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:10 RX bytes:441 (441.0 b) TX bytes:570 (570.0 b) lo Link encap:local Loopback inet addr: Mask: UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:10 errors:0 dropped:0 overruns:0 frame:0 TX packets:10 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 5

6 RX bytes:700 (700.0 b) TX bytes:700 (700.0 b) Explain: initial PANU client root]# btctl paninit panu bt0 Explain: assign for pan0 root]# ifconfig pan root]# ifconfig bt0 Link encap:unspec HWaddr 00-A UP RUNNING MTU:1500 Metric:1 RX packets:21 errors:0 dropped:0 overruns:0 frame:0 TX packets:19 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:10 RX bytes:441 (441.0 b) TX bytes:570 (570.0 b) lo Link encap:local Loopback inet addr: Mask: UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:10 errors:0 dropped:0 overruns:0 frame:0 TX packets:10 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:700 (700.0 b) TX bytes:700 (700.0 b) pan0 Link encap:ethernet HWaddr 00:A0:96:20:40:30 inet addr: Bcast: Mask: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:25 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) Explain: Check route state root]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface * U pan * U lo 6

7 Explain: need to define default route, is the PAN IP of GN) root]# route add default gw Explain: Check route state root]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface * U pan * U lo default UG pan0 Explain: ping other PAN user(i.e. client 2 must finished the above steps) root]# ping PING ( ) from : 56(84) bytes of data. 64 bytes from : icmp_seq=1 ttl=64 time=143 ms 64 bytes from : icmp_seq=2 ttl=64 time=74.2 ms [1]+ Stopped ping Explain: use telnet command make connect with PAN user root]# telnet Trying Connected to ( ). Escape character is '^]'. Red Hat Linux release 8.0 (Psyche) Kernel on an i686 login: enoch Password: Last login: Sat Jan 25 23:07:10 from enoch]$ ls affix tar.gz enoch]$ Explain: Ping outside website root]# ping PING sun17a.ouhk.edu.hk ( ) from : 56(84) bytes of data. From icmp_seq=7 Packet filtered From icmp_seq=9 Packet filtered 7

8 From icmp_seq=11 Packet filtered [2]+ Stopped ping root]# Explain: make connect with GN master by using ftp command root]# ftp Connected to ENOCHOME FTP server (Version wu ) ready. 504 AUTH GSSAPI not supported. 504 AUTH KERBEROS_V4 not supported. KERBEROS_V4 rejected as an authentication type Name ( :root): ct Password required for ct401. Password: 230 User ct401 logged in. Access restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. ftp> ls 227 Entering Passive Mode (10,0,0,1,179,140) 150 Opening ASCII mode data connection for directory listing. total rw-r--r-- 1 root root Jan 11 09:57 bluez-bluefw i386.rpm -rw root root Jan 11 09:56 bluez-bluefw-0.9.tar.gz -rw root root Jan 11 09:56 bluez-hcidump-1.5.tar.gz -rw root root Jan 11 09:56 bluez-hciemu-1.0.tar.gz -rw root root Jan 11 09:57 bluez-kernel-2.3.tar.gz -rw-r--r-- 1 root root Jan 11 09:57 bluez-libs i386.rpm -rw root root Jan 11 09:57 bluez-libs-2.3.tar.gz -rw root root Jan 11 09:58 bluez-pan-1.1pre4-1.i386.rpm -rw root root Jan 11 09:56 bluez-pan-1.1pre4.tar.gz -rw root root Jan 11 09:58 bluez-sdp-1.0rc2-1.i386.rpm -rw root root Jan 11 09:58 bluez-sdp-1.0rc3-1.i386.rpm -rw root root Jan 11 09:57 bluez-sdp-1.0rc3.tar.gz -rw root root Jan 11 09:58 bluez-utils i386.rpm -rw root root Jan 11 09:57 bluez-utils-2.2.tar.gz -rw-r--r-- 1 root root Jan 11 08:45 intro.htm drwxr-xr-x 2 root root 4096 Jan 11 08:45 intro_files 8

9 -rw-r--r-- 1 root root Jan 11 08:44 main.jpg.html drwxr-xr-x 2 root root 4096 Jan 11 08:44 main.jpg_files -rw-r--r-- 1 root root Jan 11 08:46 proposedprojects.htm drwxr-xr-x 2 root root 4096 Jan 11 08:46 proposedprojects_files drwxr-xr-x 6 root root 4096 Jan 12 13:20 public_html -rw-r--r-- 1 root root Jan 11 08:45 teachingteam.htm drwxr-xr-x 2 root root 4096 Jan 11 08:45 teachingteam_files 226 Transfer complete. ftp> SCREEN CAPTURE -shown it is successful connect to outside and GN s apache server 9

10 Figure Client 1 connect to outside website Figure Connect to internal GN s Apache server 7.4 CLIENT 2(ACER LAPTOP) TERMINAL DUMP root]# btctl Affix version: Affix >>>> Affix Bluetooth Driver control program <<<<---- For help use "btctl -h" bt0 00:80:98:24:df:6a Name: "localhost.localdomain" Class: 0xB2010C, Computer (Laptop) [Networking,Object Transfer,Audio,Information] Scan Mode: discoverable, connectable Security mode: service [-auth, -encrypt] Packet types: DM1 DH1 DM3 DH3 DM5 DH5 HV1 Connection role: allow switch, remain slave Baseband: Manufacture: Cambridge Silicon Radio, id: 10 Features: 1.1 compliant Buffers: 10

11 ACL: 8 x 192 bytes SCO: 8 x 64 bytes Suported features: Packet types: 3-slots, 5-slots Radio features: RSSI, Channel quality driven data rate Policy: switch, hold mode, sniff mode, park mode Encryption: supported Clock modes: slot offset, timing accuracy Audio: SCO link, HV2, HV3, u-law log, a-law log, CVSD, transparent SCO Power Control: supported Explain: initial PANU client root]# btctl paninit panu bt0 Explain: assign pan ip as root]# ifconfig pan root]# ifconfig bt0 Link encap:unspec HWaddr DF-6A UP RUNNING MTU:1500 Metric:1 RX packets:20 errors:24 dropped:0 overruns:0 frame:0 TX packets:19 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:10 RX bytes:435 (435.0 b) TX bytes:570 (570.0 b) lo Link encap:local Loopback inet addr: Mask: UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:39 errors:0 dropped:0 overruns:0 frame:0 TX packets:39 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:3537 (3.4 Kb) TX bytes:3537 (3.4 Kb) pan0 Link encap:ethernet HWaddr 00:80:98:24:DF:6A inet addr: Bcast: Mask: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 11

12 collisions:0 txqueuelen:25 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) root]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface * U pan * U lo Explain: need to add default route, is the PAN IP of GN) root]# route add default gw Explain: Check Route state root]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface * U pan * U lo default UG pan0 Explain: Success ping internal and outside root]# ping PING ( ) from : 56(84) bytes of data. 64 bytes from : icmp_seq=1 ttl=64 time=30.3 ms 64 bytes from : icmp_seq=2 ttl=64 time=18.6 ms 64 bytes from : icmp_seq=3 ttl=64 time=26.7 ms [1]+ Stopped ping root]# ping PING sun17a.ouhk.edu.hk ( ) from : 56(84) bytes of data. From icmp_seq=1 Packet filtered From icmp_seq=2 Packet filtered From icmp_seq=3 Packet filtered [2]+ Stopped ping Explain: success connect to root]# telnet Trying Connected to ( ). 12

13 Escape character is '^]'. Red Hat Linux release 8.0 (Psyche) Kernel on an i686 login: ct401 Password: Last login: Sat Jan 25 22:16:48 from ct401]$ ls bluez-bluefw i386.rpm bluez-utils i386.rpm bluez-bluefw-0.9.tar.gz bluez-utils-2.2.tar.gz bluez-hcidump-1.5.tar.gz intro_files bluez-hciemu-1.0.tar.gz intro.htm bluez-kernel-2.3.tar.gz main.jpg_files bluez-libs i386.rpm main.jpg.html bluez-libs-2.3.tar.gz proposedprojects_files bluez-pan-1.1pre4-1.i386.rpm proposedprojects.htm bluez-pan-1.1pre4.tar.gz public_html bluez-sdp-1.0rc2-1.i386.rpm teachingteam_files bluez-sdp-1.0rc3-1.i386.rpm teachingteam.htm bluez-sdp-1.0rc3.tar.gz ct401]$ root]# ftp Connected to ENOCHOME FTP server (Version wu ) ready. 504 AUTH GSSAPI not supported. 504 AUTH KERBEROS_V4 not supported. KERBEROS_V4 rejected as an authentication type Name ( :root): ct Password required for ct401. Password: 230 User ct401 logged in. Access restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. ftp> ls 227 Entering Passive Mode (10,0,0,1,85,227) 150 Opening ASCII mode data connection for directory listing. total rw-r--r-- 1 root root Jan 11 09:57 bluez-bluefw i386.rpm 13

14 -rw root root Jan 11 09:56 bluez-bluefw-0.9.tar.gz -rw root root Jan 11 09:56 bluez-hcidump-1.5.tar.gz -rw root root Jan 11 09:56 bluez-hciemu-1.0.tar.gz -rw root root Jan 11 09:57 bluez-kernel-2.3.tar.gz -rw-r--r-- 1 root root Jan 11 09:57 bluez-libs i386.rpm -rw root root Jan 11 09:57 bluez-libs-2.3.tar.gz -rw root root Jan 11 09:58 bluez-pan-1.1pre4-1.i386.rpm -rw root root Jan 11 09:56 bluez-pan-1.1pre4.tar.gz -rw root root Jan 11 09:58 bluez-sdp-1.0rc2-1.i386.rpm -rw root root Jan 11 09:58 bluez-sdp-1.0rc3-1.i386.rpm -rw root root Jan 11 09:57 bluez-sdp-1.0rc3.tar.gz -rw root root Jan 11 09:58 bluez-utils i386.rpm -rw root root Jan 11 09:57 bluez-utils-2.2.tar.gz -rw-r--r-drwxr-xr-x 1 root root Jan 11 08:45 intro.htm 2 root root 4096 Jan 11 08:45 intro_files -rw-r--r-- 1 root root Jan 11 08:44 main.jpg.html drwxr-xr-x 2 root root 4096 Jan 11 08:44 main.jpg_files -rw-r--r-- 1 root root Jan 11 08:46 proposedprojects.htm drwxr-xr-x 2 root root 4096 Jan 11 08:46 proposedprojects_files drwxr-xr-x 6 root root 4096 Jan 12 13:20 public_html -rw-r--r-- 1 root root Jan 11 08:45 teachingteam.htm drwxr-xr-x 2 root root 4096 Jan 11 08:45 teachingteam_files 226 Transfer complete. ftp> Reference: The webpage:- ial.html is good material for how to use iptables. Competitor: 14

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