LAN - - 1 2 1 ( ) 1: (club.kyutech.ac.jp) 100Base-TX( 1000Base-T) www 1 ume@club.kyutech.ac.jp 2 meta@club.kyutech.ac.jp 36
2 2.1 1987 LAN 1990 www 1996 50 2.2 LAN LAN 1 15 1 1 2 3 ( ) ( ) 37
3.1 LAN LAN ( ) (DNS DHCP ) 2 2F ( :gateway) LAN(club.kyutech.ac.jp) LAN 1F 2F 1F DNS DHCP IP ( :ns) www ( :crystal) ( :sapphire) ( :ruby) 2 配 管 室 サークル 棟 2F サークル 棟 LAN(131.206.108.0/24) 100Mbps 飯 塚 幹 線 1Gbps PC ルータ (gateway) サークル 棟 1F DNS,DHCP (ns) LDAP (ruby) www (crystal) Mail (sapphire) 計 算 機 室 2: 3 LAN PC (FreeBSD ) PC 1 38
1: PC (gateway) model PC CPU Athlon 1.0GHz RAM 512MByte HDD 20GByte OS FreeBSD 4.9R routed ipfw 3: PC FreeBSD routed ipfw LAN ssh 4 LAN www 16 500kbps PC DNS DHCP IP DNS DHCP ( 4 2) PC-UNIX(NetBSD) DNS bind9 dhcp isc-dhcpd DNS 4: DNS DHCP 2: DNS DHCP (ns) model Sun Blade100 CPU UltraSPARC-IIe 500MHz RAM 640GByte HDD 40GByte OS Solaris9 DNS BIND 9.4 DHCP ISC DHCP 3.1 DHCP IP IP LAN LAN LAN 1F 2F 24 ( 5)(100Base-T 24) 1 ( 6) 39
( ) 5: 6: 3.2 www www IRC www LDAP ( 3) www LDAP (OpenLDAP) 600 LDAP ( ) 3: (ruby) model Dell PowerEdge 1600SC CPU Xeon 2.4 GHz RAM 256MByte HDD 36GByte OS Solaris9 x86 OpenLDAP 2.3 7: www www www web www-irc www www ( 4) www html www perl ruby CGI PHP www 40
( 8) jsp/servlet/strutus java web MySQL 8: PHP/MySQL www (webmail ) 4: www (crystal) model Dell PowerEdge 400SC CPU Pentium4 2.4 GHz RAM 256MByte HDD 40GByte OS NetBSD-3.1 www Apache 2.2.4 SQL MySQL 5.0 perl ruby PHP JAVA jsp servlet strutus SMTP IMAP/POP SPAM/Virus ( 5) smtp pop/imap www procmail Clam AntiVirus www web http web http ssl ssl ( ) ssl (6 ) ( ) ( )web ( 9) smtp imap ssl 41
5: (sapphire) model PC CPU Pentium4 2.8 GHz RAM 1GByte HDD 40GByte OS FreeBSD 4.9R SMTP Postfix 2.4 POP/IMAP Dovecot 1.0 web SquirrelMail 1.4 SPAM/Virus Clam AntiVirus 0.91 procmail 3.15 9: SSL ( ) web IRC IRC Internet Relay Chat IRC DNS (ns) IRC IRC www 30 4 4 1. ( ) 42
10: IRC 2. WWW (WWW ) 3. ML ( ) 4. LAN ( IP ) www IP ( ) ( ) 43
web IRC SNMP 11: SNMP ( ) 5 LAN LAN LAN RAID5 www 44
RAID5 DHCP IP NAT VLAN 12 飯 塚 幹 線 1Gbps 配 管 室 (VLAN 対 応 ) 飯 塚 幹 線 サークル 棟 global VLAN(131.206.108.0/24) 無 線 AP サークル 棟 private VLAN(192.168.2.0/24) 1Gbps (private) (global) サークル 棟 2F (private) global VLAN(131.206.108.0/24) private VLAN(192.168.2.0/24) 無 線 AP (global) (private) サークル 棟 1F routing NAT PC ルータ (VLAN 対 応 ) DNS,DHCP (ns) LDAP (ruby) www (crystal) Mail (sapphire) File Server 計 算 機 室 12: 6 45
2 46