ͥåȥڥꥹ - SE̼η -

ͥåȥڥꥹȤλкȤǤͥåȥڥꥹȻι
̡ʤΥġ⡢μʤɤξǺܤޤкߥʡԤäƤޤ ͥåȥڥꥹ
кʤ麸κǤܤ֥ͥڡץ꡼ʵɾҡˤǡ
ͥåȥڥꥹȻ˹ʤȡͥåȥ˴ؤμ䵻ѤǤʤɲϤʸϤȤˤĤޤ
ˡλ˹ʤǤȤ뤳ȤǤޤ

ƥꡧ8.ͥåȥءL3 > 8.1 IPv4

IPv4ɥ쥹ϲХȤǤ礦
ͥåȥڥꥹȤܻؤSE㤦

ФƤޤ

A2.ФɬפϤʤ򤫤ФƤۤǤ
㤨СIPɥ쥹ΰ礭ͤ255.255.255.255Ǥ
1ĤΡ.פζڤǤϡ0255ͤޤĤޤꡢ256ĤǤ256ϲХȤǤ28褬256ʤΤǡ8ӥåȤǤ
줬4Ĥ32ӥåȡ
ХȤ8ӥåȤʤΤǡIPɥ쥹4ХȤˤʤޤ

롼ץХåɥ쥹ȤϡʬȤ򼨤ɥ쥹ΤȡIPv4ξ硢Ūˤ127.0.0.1ȤȤ¿ºݤˤϡ127.0.0.0/8ϰϤǤѲǽǤ롣
IPv6Ǥϡ::1פɽ롣

ͥåȥڥꥹȻβH25ǯNW孵1ˤǤϡʲεҤ롣 
ˡNϡPCSSL-VPN֤̿SSLȥͥѤݡȥեѤݡȥեξ硤PCSSL-VPN֤³ȤǧڤԤ,SSL-VPN֤PCJavaץåȤɤ,SSLȥͥ뤬Ω롣
ޤ, JavaץåȤˤäơPChostsեˡ롼ץХåɥ쥹ȳȯƥγƥФΰбɲä롣롼ץХåɥ쥹ѤϡǻΥץ饤١ȥɥ쥹Ѥ,127.0.0.1ΡϤϰѲǽǤ롣

1ʸβˤĤơ롼ץХåɥ쥹Ѥ򡤥ƥ̤ܤ, 20ǽҤ٤衣

󥤡127.255.255.254
롼ץХåɥ쥹ˤϡ127.0.0.0/8ƤƤ롣ϰϤѲǽʺͤϡ127.255.255.254127.255.255.255ϥ֥ɥ㥹ȥɥ쥹Ǥ뤿ᡤƤϤǤʤ

ʣˤ
롼ץХåɥ쥹Ƥ롣֥ƥ̤ܤơפȤؼȡΡ֥ץ饤١ȥɥ쥹ѤפռƲ롣
롼ץХåɥ쥹ϡ¾ü饢뤳ȤϤǤʤȤС٤PC127.0.0.1Ȥ롼ץХåɥ쥹̿򤷤褦ȤȡʬȤ̿򤷤Ƥޤ
PCΥץ饤١IPɥ쥹ԤԤȡ¾PC鳫ȯƥ˥Ǥ붲줬롣ȡ¾PCΥѥåȤJavaץåȤݡȥեɤƤޤѤ롣

Ѥȯʤ

IPɥ쥹ϥ󥿡ͥåȤνȹͤФ褯ĶĮ1-3-7פʤɤƱͤˡʬ䤹ɽƤ롣
ef6167f8.jpg
Ǥ⡢οͤ˽ʤɤ硢
ĶĮפäƽ񤫤ʤǤ͡

ֱ͡Ķ ĶG2 椵פɽʡ
줬Ѥץ饤١ȥɥ쥹ˤʤ롣ϡޤǤ⤳ν񤤤Ƥ⡢ƻܸϤޤν񤫤ʤСҳˤʤ

ꡧץ饤١ȥɥ쥹ȤѤǤIP񤱡
줬ƳʤΤǤ롣

A.ʲ3ĤѤǤ
10.0.0.010.255.255.255
172.16.0.0-172.31.255.255
192.168.0.0-192.168.255.255

ޤȤ
IPɥ쥹ϡ󥿡ͥåȤˤ뽻ɽ
ХIPɥ쥹ȥץ饤١IPɥ쥹ꡢץ饤١IPɥ쥹ϡʤɤĤ줿ĶǤѤǤʤ

ƥȤˤϽФʤȻפޤŪɤǤ

ο͸50٤äΤǡIPv443ĤǤ⽽ʬȹͤ
IANAInternet Assigned Numbers AuthorityʡˤơܤǤJPNIC7000ĤIPƤ롣
Ǥ⡢ܤ͸­Ƥʤ
IANAζ̳ϡ1998ǯΩ줿Ūȿǡꥫե˥ˤICANN(Internet Corporation for Assigned Names and Numbers:)ԤäƤ롣IANAȤդȤ뵡ϸäȻפ롣
H25SCո28ˤǤϡICANNInternet Corporation for Assigned Names and NumbersˤˤĤơIPɥ쥹γˤη, DNS롼ȥФαѴƻ,  DNS˴ؤĴʤɤϤǹԤȿǤפȽҤ٤Ƥ롣


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