アンカー・フィルターと動的フィルター

セキュリティー・アソシエーションがネゴシエーションされた後で、ipsec -f display コマンドは、セキュリティー・アソシエーションの作成時に作成された 2 つの動的フィルター (インバウンドとアウトバウンドのアンカー・フィルターに対応) が追加されたことを示します。動的フィルターは、フィルター・テーブル内でアンカー・フィルターより前に置かれるので、IP フィルター操作の実施時は、まず動的フィルターが検索されます。以下のサンプル出力では、フェーズ 2 セキュリティー・アソシエーションの活動化の後で、フィルター・テーブルに 2 つの動的フィルターが既に追加済みである点に注意してください。Type フィールドは、フィルターが動的アンカー・フィルターか動的フィルターかを示しています。

ipsec -f dis -n Rule2Admin

CS V2R1 ipsec  Stack Name: TCPCS  Tue Feb 14 11:23:54 2012
Primary:  Filter          Function: Display            Format:   Detail
Source:   Stack Policy    Scope:    Current            TotAvail: 139
Logging:  On              Predecap: Off                DVIPSec:  Yes
NatKeepAlive:  20         FIPS140:  No
Defensive Mode: Inactive

FilterName:                   Rule2Admin
FilterNameExtension:          1
GroupName:                    Admin
LocalStartActionName:         n/a
VpnActionName:                Silver-TransportMode
TunnelID:                     Y4
Type:                         Dynamic
DefensiveType:                n/a
State:                        Active
Action:                       Permit
Scope:                        Local
Direction:                    Outbound
OnDemand:                     No
SecurityClass:                0
Logging:                      Deny
LogLimit:                     n/a
Protocol:                     All
ICMPType:                     n/a
ICMPTypeGranularity:          n/a
ICMPCode:                     n/a
ICMPCodeGranularity:          n/a
OSPFType:                     n/a
TCPQualifier:                 n/a
ProtocolGranularity:          n/a
SourceAddress:                9.1.1.1
SourceAddressPrefix:          n/a
SourceAddressRange:           n/a
SourceAddressGranularity:     n/a
SourcePort:                   n/a
SourcePortRange:              n/a
SourcePortGranularity:        n/a
DestAddress:                  9.1.1.2
DestAddressPrefix:            n/a
DestAddressRange:             n/a
DestAddressGranularity:       n/a
DestPort:                     n/a
DestPortRange:                n/a
DestPortGranularity:          n/a
OrigRmtConnPort:              n/a
RmtIDPayload:                 n/a
RmtUdpEncapPort:              n/a
CreateTime:                   n/a
UpdateTime:                   n/a
DiscardAction:                Silent
MIPv6Type:                    n/a
MIPv6TypeGranularity:         n/a
TypeRange:                    n/a
CodeRange:                    n/a
RemoteIdentityType:           n/a
RemoteIdentity:               n/a
FragmentsOnly:                No
FilterMatches:                1
LifetimeExpires:              n/a
AssociatedStackCount:         n/a
***********************************************************************
FilterName:                   Rule2Admin
FilterNameExtension:          1
GroupName:                    Admin
LocalStartActionName:         n/a
VpnActionName:                Silver-TransportMode
TunnelID:                     Y0
Type:                         Dynamic Anchor
DefensiveType:                n/a
State:                        Active
Action:                       Permit
Scope:                        Local
Direction:                    Outbound
OnDemand:                     No
SecurityClass:                0
Logging:                      Deny
LogLimit:                     n/a
Protocol:                     All
ICMPType:                     n/a
ICMPTypeGranularity:          n/a
ICMPCode:                     n/a
ICMPCodeGranularity:          n/a
OSPFType:                     n/a
TCPQualifier:                 n/a
ProtocolGranularity:          Rule
SourceAddress:                9.1.1.1
SourceAddressPrefix:          n/a
SourceAddressRange:           n/a
SourceAddressGranularity:     Packet
SourcePort:                   n/a
SourcePortRange:              n/a
SourcePortGranularity:        n/a
DestAddress:                  9.1.1.2
DestAddressPrefix:            n/a
DestAddressRange:             n/a
DestAddressGranularity:       Packet
DestPort:                     n/a
DestPortRange:                n/a
DestPortGranularity:          n/a
OrigRmtConnPort:              n/a
RmtIDPayload:                 n/a
RmtUdpEncapPort:              n/a
CreateTime:                   2012/02/14 10:49:48
UpdateTime:                   2012/02/14 11:07:20
DiscardAction:                Silent
MIPv6Type:                    n/a
MIPv6TypeGranularity:         n/a
TypeRange:                    n/a
CodeRange:                    n/a
RemoteIdentityType:           n/a
RemoteIdentity:               n/a
FragmentsOnly:                No
FilterMatches:                1
LifetimeExpires:              n/a
AssociatedStackCount:         n/a
***********************************************************************
FilterName:                   Rule2Admin
FilterNameExtension:          2
GroupName:                    Admin
LocalStartActionName:         n/a
VpnActionName:                Silver-TransportMode
TunnelID:                     Y4
Type:                         Dynamic
DefensiveType:                n/a
State:                        Active
Action:                       Permit
Scope:                        Local
Direction:                    Inbound
OnDemand:                     No
SecurityClass:                0
Logging:                      Deny
LogLimit:                     n/a
Protocol:                     All
ICMPType:                     n/a
ICMPTypeGranularity:          n/a
ICMPCode:                     n/a
ICMPCodeGranularity:          n/a
OSPFType:                     n/a
TCPQualifier:                 n/a
ProtocolGranularity:          n/a
SourceAddress:                9.1.1.2
SourceAddressPrefix:          n/a
SourceAddressRange:           n/a
SourceAddressGranularity:     n/a
SourcePort:                   n/a
SourcePortRange:              n/a
SourcePortGranularity:        n/a
DestAddress:                  9.1.1.1
DestAddressPrefix:            n/a
DestAddressRange:             n/a
DestAddressGranularity:       n/a
DestPort:                     n/a
DestPortRange:                n/a
DestPortGranularity:          n/a
OrigRmtConnPort:              n/a
RmtIDPayload:                 n/a
RmtUdpEncapPort:              n/a
CreateTime:                   n/a
UpdateTime:                   n/a
DiscardAction:                Silent
MIPv6Type:                    n/a
MIPv6TypeGranularity:         n/a
TypeRange:                    n/a
CodeRange:                    n/a
RemoteIdentityType:           n/a
RemoteIdentity:               n/a
FragmentsOnly:                No
FilterMatches:                1
LifetimeExpires:              n/a
AssociatedStackCount:         n/a
***********************************************************************
FilterName:                   Rule2Admin
FilterNameExtension:          2
GroupName:                    Admin
LocalStartActionName:         n/a
VpnActionName:                Silver-TransportMode
TunnelID:                     Y0
Type:                         Dynamic Anchor
DefensiveType:                n/a
State:                        Active
Action:                       Permit
Scope:                        Local
Direction:                    Inbound
OnDemand:                     No
SecurityClass:                0
Logging:                      Deny
LogLimit:                     n/a
Protocol:                     All
ICMPType:                     n/a
ICMPTypeGranularity:          n/a
ICMPCode:                     n/a
ICMPCodeGranularity:          n/a
OSPFType:                     n/a
TCPQualifier:                 n/a
ProtocolGranularity:          Rule
SourceAddress:                9.1.1.2
SourceAddressPrefix:          n/a
SourceAddressRange:           n/a
SourceAddressGranularity:     Packet
SourcePort:                   n/a
SourcePortRange:              n/a
SourcePortGranularity:        n/a
DestAddress:                  9.1.1.1
DestAddressPrefix:            n/a
DestAddressRange:             n/a
DestAddressGranularity:       Packet
DestPort:                     n/a
DestPortRange:                n/a
DestPortGranularity:          n/a
OrigRmtConnPort:              n/a
RmtIDPayload:                 n/a
RmtUdpEncapPort:              n/a
CreateTime:                   2012/02/14 10:49:48
UpdateTime:                   2012/02/14 11:07:20
DiscardAction:                Silent
MIPv6Type:                    n/a
MIPv6TypeGranularity:         n/a
TypeRange:                    n/a
CodeRange:                    n/a
RemoteIdentityType:           n/a
RemoteIdentity:               n/a
FragmentsOnly:                No
FilterMatches:                1
LifetimeExpires:              n/a
AssociatedStackCount:         n/a
***********************************************************************

4 entries selected