DTLSプロトコルのサポート

add lb vserver <vserver_name> DTLS <IPAddress>  <port>
add service  <service_name>  <IPAddress> UDP 443
bind lb vserver  <vserver_name>  <udp_service_name>
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add dtlsProfile dtls-profile -maxretryTime <positive_integer>
set ssl vserver <vserver_name> -dtlsProfileName <dtls_profile_name>
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set ssl vserver <vServerName> -SNIEnable ENABLED
bind ssl vserver <vServerName> -certkeyName <string> -SNICert
show ssl vserver <vServerName>
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set ssl vserver v1 -sniEnable ENABLED
bind ssl vserver  v1 -certkeyName san2 -sniCert
bind ssl vserver  v1 -certkeyName san13 –sniCert
bind ssl vserver  v1 -certkeyName san17 –sniCert
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sh ssl vserver v1

Advanced SSL configuration for VServer v1:
DH: DISABLED
DH Private-Key Exponent Size Limit: DISABLED
Ephemeral RSA: ENABLED
Refresh Count: 0
Session Reuse: ENABLED
Timeout: 1800 seconds
Cipher Redirect: DISABLED

ClearText Port: 0
Client Auth: DISABLED
SSL Redirect: DISABLED
Non FIPS Ciphers: DISABLED
SNI: ENABLED
OCSP Stapling: DISABLED
HSTS: DISABLED
HSTS IncludeSubDomains: NO
HSTS Max-Age: 0
DTLSv1: ENABLED
Send Close-Notify: YES
Strict Sig-Digest Check: DISABLED
Zero RTT Early Data: DISABLED
DHE Key Exchange With PSK: NO
Tickets Per Authentication Context: 1

DTLS profile name: nsdtls_default_profile

ECC Curve: P_256, P_384, P_224, P_521

1) CertKey Name: ca
CA Certificate  OCSPCheck: OptionalCA_Name Sent
2) CertKey Name: san2 Server Certificate for SNI
3) CertKey Name: san17 Server Certificate for SNI
4) CertKey Name: san13 Server Certificate for SNI


1) Cipher Name: DEFAULT
Description: Default cipher list with encryption strength >= 128bit
Done
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set ssl parameter -denysslreneg NONSECURE
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set ssl parameter -denysslreneg NONSECURE


sh ssl parameter
Advanced SSL Parameters
-----------------------
SSL quantum size                                      : 8 KB
Max CRL memory size                                   : 256 MB
Strict CA checks                                      : NO
Encryption trigger timeout                            : 100 ms
Send Close-Notify                                     : YES
Encryption trigger packet count                       : 45
Deny SSL Renegotiation                                : NONSECURE
Subject/Issuer Name Insertion Format                  : Unicode
OCSP cache size                                       : 10 MB
Push flag                                             : 0x0 (Auto)
Strict Host Header check for SNI enabled SSL sessions : NO
PUSH encryption trigger timeout                       : 1 ms
Crypto Device Disable Limit                           : 0
Global undef action for control policies              : CLIENTAUTH
Global undef action for data policies                 : NOOP
Default profile                                       : DISABLED
SSL Insert Space in Certificate Header                : YES
Disable TLS 1.1/1.2 for SSL_BRIDGE secure monitors    : NO
Disable TLS 1.1/1.2 for dynamic and VPN services      : NO
Software Crypto acceleration CPU Threshold            : 0
Hybrid FIPS Mode                                      : DISABLED
Signature and Hash Algorithms supported by TLS1.2     : ALL
SSL Interception Error Learning and Caching           : DISABLED
SSL Interception Maximum Error Cache Memory           : 0 Bytes
Done
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Default DTLS profile
    1) Name: nsdtls_default_profile
    PMTU Discovery: DISABLED
    Max Record Size: 1459 bytes
    Max Retry Time: 3 sec
    Hello Verify Request: ENABLED
    Terminate Session: DISABLED
    Max Packet Count: 120 bytes

Custom DTLS profile
    1) Name: ns_dtls_profile_ipv6_1
    PMTU Discovery: DISABLED
    Max Record Size: 1450 bytes
    Max Retry Time: 3 sec
    Hello Verify Request: ENABLED
    Terminate Session: DISABLED
    Max Packet Count: 120 bytes
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add ssl dtlsProfile <name> -maxRetryTime <positive_integer> -helloVerifyRequest ( ENABLED | DISABLED ) -terminateSession (ENABLED | DISABLED ) -maxHoldQLen <positive_integer> -maxBadmacIgnorecount <positive_integer>

helloVerifyRequest
              Send a Hello Verify request to validate the client.
              Possible values: ENABLED, DISABLED
              Default value: ENABLED

terminateSession
              Terminate the session if the message authentication code (MAC)
              of the client and server do not match.
              Possible values: ENABLED, DISABLED
              Default value: DISABLED

maxHoldQLen
              Maximum number of datagrams that can be queued at DTLS layer for
              processing
              Default value: 32
              Minimum value: 32
              Maximum value: 65535

maxBadmacIgnorecount
              Maximum number of bad MAC errors to ignore for a connection prior disconnect. Disabling parameter terminateSession
terminates session immediately when bad MAC is detected in the connection.
              Default value: 100
              Minimum value: 1
              Maximum value: 65535
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> add ssl dtlsprofile dtls_profile -maxRetryTime 4 -helloVerifyRequest ENABLED -terminateSession ENABLED -maxHoldQLen 40 -maxBadmacIgnorecount 150
 Done
> sh dtlsprofile dtls_profile
1)  Name: dtls_profile
    PMTU Discovery: DISABLED
    Max Record Size: 1459 bytes
    Max Retry Time: 4 sec
    Hello Verify Request: ENABLED
    Terminate Session: ENABLED
    Max Packet Count: 120 bytes
    Max HoldQ Size: 40 datagrams
    Max bad-MAC Ignore Count: 150

 Done
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set ssl dtlsProfile <name> -initialRetryTimeout <positive_integer> -maxRetryTime <positive_integer>
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> set dtlsProfile nsdtls_default_profile -initialRetryTimeout 2 -maxretryTime 3
Done
> set dtlsProfile nsdtls_default_profile -initialRetryTimeout 1 -maxretryTime 3
Done
> set dtlsProfile nsdtls_default_profile -initialRetryTimeout 2 -maxretryTime 1
ERROR: Invalid value [The initial timeout value for retransmission cannot be greater than max retry value]
>
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enable ns feature SSL LB

add server s1 198.51.100.2

en ns mode usnip

add service svc_dtls s1 DTLS 443

add lb vserver v1 DTLS 10.102.59.244 443

bind ssl vserver v1 -ciphername ALL

add ssl certkey servercert -cert servercert_aia_valid.pem -key serverkey_aia.pem

bind ssl vserver v1 -certkeyname servercert

bind lb vserver lb1 svc_dtls

sh lb vserver v1

                    v1 (10.102.59.244:4433) - DTLS     Type: ADDRESS
                    State: UP
                    Last state change was at Fri Apr 27 07:00:27 2018
                    Time since last state change: 0 days, 00:00:04.810
                    Effective State: UP
                    Client Idle Timeout: 120 sec
                    Down state flush: ENABLED
                    Disable Primary Vserver On Down : DISABLED
                    Appflow logging: ENABLED
                    No. of Bound Services :  1 (Total) 0 (Active)
                    Configured Method: LEASTCONNECTION
                    Current Method: Round Robin, Reason: A new service is bound         BackupMethod: ROUNDROBIN
                    Mode: IP
                    Persistence: NONE
                    L2Conn: OFF
                    Skip Persistency: None
                    Listen Policy: NONE
                    IcmpResponse: PASSIVE
                    RHIstate: PASSIVE
                    New Service Startup Request Rate: 0 PER_SECOND, Increment Interval: 0
                    Mac mode Retain Vlan: DISABLED
                    DBS_LB: DISABLED
                    Process Local: DISABLED
                    Traffic Domain: 0
                    TROFS Persistence honored: ENABLED
                    Retain Connections on Cluster: NO

    1) svc_dtls (10.102.59.190: 4433) - DTLS State: UP  Weight: 1
Done


sh ssl vserver v1

                    Advanced SSL configuration for VServer v1:
                    DH: DISABLED
                    DH Private-Key Exponent Size Limit: DISABLED        Ephemeral RSA: ENABLED                               Refresh Count: 0
                    Session Reuse: ENABLED                 Timeout: 1800 seconds
                    Cipher Redirect: DISABLED
                    ClearText Port: 0
                    Client Auth: DISABLED
                    SSL Redirect: DISABLED
                    Non FIPS Ciphers: DISABLED
                    SNI: DISABLED
                    OCSP Stapling: DISABLED
                    HSTS: DISABLED
                    HSTS IncludeSubDomains: NO
                    HSTS Max-Age: 0
                    DTLSv1: ENABLED
                    Send Close-Notify: YES
                    Strict Sig-Digest Check: DISABLED
                    Zero RTT Early Data: DISABLED
                    DHE Key Exchange With PSK: NO
                    Tickets Per Authentication Context: 1
                    DTLS profile name: nsdtls_default_profile

                    ECC Curve: P_256, P_384, P_224, P_521

    1)            CertKey Name: servercert               Server Certificate

    1)            Cipher Name: DEFAULT
                    Description: Default cipher list with encryption strength >= 128bit

    2)            Cipher Name: ALL
                    Description: All ciphers supported by NetScaler, excluding NULL ciphers
     Done

sh service svc_dtls

                    svc_dtls (10.102.59.190:4433) - DTLS
                    State: UP
                    Last state change was at Fri Apr 27 07:00:26 2018
                    Time since last state change: 0 days, 00:00:22.790
                    Server Name: s1
                    Server ID : None                 Monitor Threshold : 0
                    Max Conn: 0        Max Req: 0           Max Bandwidth: 0 kbits
                    Use Source IP: NO
                    Client Keepalive(CKA): NO
                    Access Down Service: NO
                    TCP Buffering(TCPB): NO
                    HTTP Compression(CMP): NO
                    Idle timeout: Client: 120 sec           Server: 120 sec
                    Client IP: DISABLED
                    Cacheable: NO
                    SC: OFF
                    SP: OFF
                    Down state flush: ENABLED
                    Monitor Connection Close : NONE
                    Appflow logging: ENABLED
                    Process Local: DISABLED
                    Traffic Domain: 0

    1)            Monitor Name: ping-default
                                    State: UP               Weight: 1              Passive: 0
                                   Probes: 5              Failed [Total: 0 Current: 0]
                                    Last response: Success - ICMP echo reply received.
                       Response Time: 2.77 millisec
     Done

sh ssl service svc_dtls

                    Advanced SSL configuration for Back-end SSL Service svc_dtls:
                    DH: DISABLED
                    DH Private-Key Exponent Size Limit: DISABLED        Ephemeral RSA: DISABLED
                    Session Reuse: ENABLED                 Timeout: 1800 seconds
                    Cipher Redirect: DISABLED
                    ClearText Port: 0
                    Server Auth: DISABLED
                    SSL Redirect: DISABLED
                    Non FIPS Ciphers: DISABLED
                    SNI: DISABLED
                    OCSP Stapling: DISABLED
                    DTLSv1: ENABLED
                    Send Close-Notify: YES
                    Strict Sig-Digest Check: DISABLED
                    Zero RTT Early Data: ???
                    DHE Key Exchange With PSK: ???
                    Tickets Per Authentication Context: ???
                    DTLS profile name: nsdtls_default_profile
                    ECC Curve: P_256, P_384, P_224, P_521
    1)            Cipher Name: DEFAULT_BACKEND
                    Description: Default cipher list for Backend SSL session
     Done


> sh dtlsProfile nsdtls_default_profile
1)  Name: nsdtls_default_profile
    PMTU Discovery: DISABLED
    Max Record Size: 1459 bytes
    Max Retry Time: 3 sec
    Hello Verify Request: DISABLED
    Terminate Session: ENABLED
    Max Packet Count: 120 bytes
    Max HoldQ Size: 32 datagrams
    Max bad-MAC Ignore Count: 10

 Done
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show ssl cipher DEFAULT_DTLS
1)    Cipher Name: TLS1-AES-256-CBC-SHA    Priority : 1
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0x0035
2)    Cipher Name: TLS1-AES-128-CBC-SHA    Priority : 2
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0x002f
3)    Cipher Name: TLS1-ECDHE-RSA-AES256-SHA    Priority : 3
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0xc014
4)    Cipher Name: TLS1-ECDHE-RSA-AES128-SHA    Priority : 4
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0xc013
5)    Cipher Name: TLS1-DHE-RSA-AES-256-CBC-SHA    Priority : 5
    Description: SSLv3 Kx=DH       Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0x0039
6)    Cipher Name: TLS1-DHE-RSA-AES-128-CBC-SHA    Priority : 6
    Description: SSLv3 Kx=DH       Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0x0033
7)    Cipher Name: TLS1-ECDHE-RSA-DES-CBC3-SHA Priority : 7
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=3DES(168) Mac=SHA1   HexCode=0xc012
8)    Cipher Name: SSL3-DES-CBC3-SHA    Priority : 8
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=3DES(168) Mac=SHA1   HexCode=0x000a
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show ssl cipher DEFAULT_DTLS_BACKEND
1)  Cipher Name: TLS1-AES-256-CBC-SHA    Priority : 1
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0x0035
2)    Cipher Name: TLS1-AES-128-CBC-SHA    Priority : 2
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0x002f
3)    Cipher Name: TLS1-ECDHE-RSA-AES256-SHA    Priority : 3
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0xc014
4)    Cipher Name: TLS1-ECDHE-RSA-AES128-SHA    Priority : 4
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0xc013
5)    Cipher Name: TLS1-DHE-RSA-AES-256-CBC-SHA    Priority : 5
    Description: SSLv3 Kx=DH       Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0x0039
6)    Cipher Name: TLS1-DHE-RSA-AES-128-CBC-SHA    Priority : 6
    Description: SSLv3 Kx=DH       Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0x0033
7)    Cipher Name: TLS1-ECDHE-RSA-DES-CBC3-SHA Priority : 7
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=3DES(168) Mac=SHA1   HexCode=0xc012
8)    Cipher Name: SSL3-DES-CBC3-SHA    Priority : 8
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=3DES(168) Mac=SHA1   HexCode=0x000a
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show ssl cipher DTLS_FIPS
1)    Cipher Name: TLS1-AES-256-CBC-SHA    Priority : 1
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0x0035
2)    Cipher Name: TLS1-AES-128-CBC-SHA    Priority : 2
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0x002f
3)    Cipher Name: TLS1-ECDHE-RSA-AES256-SHA    Priority : 3
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=AES(256)  Mac=SHA1   HexCode=0xc014
4)    Cipher Name: TLS1-ECDHE-RSA-AES128-SHA    Priority : 4
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=AES(128)  Mac=SHA1   HexCode=0xc013
5)    Cipher Name: TLS1-ECDHE-RSA-DES-CBC3-SHA  Priority : 5
    Description: SSLv3 Kx=ECC-DHE  Au=RSA  Enc=3DES(168) Mac=SHA1   HexCode=0xc012
6)    Cipher Name: SSL3-DES-CBC3-SHA    Priority : 6
    Description: SSLv3 Kx=RSA      Au=RSA  Enc=3DES(168) Mac=SHA1   HexCode=0x000a
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