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Aditya_Mehra's avatar
Sep 04, 2019
Solved

How to remove only DES from the chipher list

Hi, Do not want to use DES in the below... How can I disable the DES (in bold) from below list?   MEDIUIM:HIGH:-SSLv2:-aNULL:@STRENGTH:-EDH-RSA-DES-CBC3-SHA:-EDH-DSS-DES-CBC3-SHA:-DES-CBC3-SHA:-...
  • JG's avatar
    Sep 04, 2019

    If you want to remove all ciphersuites that use DES, you can use the following:

    ecdhe:rsa:!sslv3:!rc4:!exp:!des:!DES-CBC3-SHA:!ECDHE-RSA-DES-CBC3-SHA:!ECDHE-RSA-AES128-CBC-SHA:!ECDHE-RSA-AES256-CBC-SHA

    , which is based on the defaul values in the clientssl-secure profile in BIG-IP v13.1 and provides the following ciphersuites:

    v13.1:

    # tmm --clientciphers 'ecdhe:rsa:!sslv3:!rc4:!exp:!des:!DES-CBC3-SHA:!ECDHE-RSA-DES-CBC3-SHA:!ECDHE-RSA-AES128-CBC-SHA:!ECDHE-RSA-AES256-CBC-SHA'
           ID  SUITE                            BITS PROT    METHOD  CIPHER    MAC     KEYX
     0: 49199  ECDHE-RSA-AES128-GCM-SHA256      128  TLS1.2  Native  AES-GCM   SHA256  ECDHE_RSA 
     1: 49191  ECDHE-RSA-AES128-SHA256          128  TLS1.2  Native  AES       SHA256  ECDHE_RSA 
     2: 49200  ECDHE-RSA-AES256-GCM-SHA384      256  TLS1.2  Native  AES-GCM   SHA384  ECDHE_RSA 
     3: 49192  ECDHE-RSA-AES256-SHA384          256  TLS1.2  Native  AES       SHA384  ECDHE_RSA 
     4:   156  AES128-GCM-SHA256                128  TLS1.2  Native  AES-GCM   SHA256  RSA       
     5:    47  AES128-SHA                       128  TLS1    Native  AES       SHA     RSA       
     6:    47  AES128-SHA                       128  TLS1.1  Native  AES       SHA     RSA       
     7:    47  AES128-SHA                       128  TLS1.2  Native  AES       SHA     RSA       
     8:    47  AES128-SHA                       128  DTLS1   Native  AES       SHA     RSA       
     9:    60  AES128-SHA256                    128  TLS1.2  Native  AES       SHA256  RSA       
    10:   157  AES256-GCM-SHA384                256  TLS1.2  Native  AES-GCM   SHA384  RSA       
    11:    53  AES256-SHA                       256  TLS1    Native  AES       SHA     RSA       
    12:    53  AES256-SHA                       256  TLS1.1  Native  AES       SHA     RSA       
    13:    53  AES256-SHA                       256  TLS1.2  Native  AES       SHA     RSA       
    14:    53  AES256-SHA                       256  DTLS1   Native  AES       SHA     RSA       
    15:    61  AES256-SHA256                    256  TLS1.2  Native  AES       SHA256  RSA       
    16:    65  CAMELLIA128-SHA                  128  TLS1    Native  CAMELLIA  SHA     RSA       
    17:    65  CAMELLIA128-SHA                  128  TLS1.1  Native  CAMELLIA  SHA     RSA       
    18:    65  CAMELLIA128-SHA                  128  TLS1.2  Native  CAMELLIA  SHA     RSA       
    19:   132  CAMELLIA256-SHA                  256  TLS1    Native  CAMELLIA  SHA     RSA       
    20:   132  CAMELLIA256-SHA                  256  TLS1.1  Native  CAMELLIA  SHA     RSA       
    21:   132  CAMELLIA256-SHA                  256  TLS1.2  Native  CAMELLIA  SHA     RSA       

    in v11.6.4:

    # tmm --clientciphers 'ecdhe:rsa:!sslv3:!rc4:!exp:!des:!DES-CBC3-SHA'
           ID  SUITE                            BITS PROT    METHOD  CIPHER  MAC     KEYX
     0: 49200  ECDHE-RSA-AES256-GCM-SHA384      256  TLS1.2  Native  AES-GCM  SHA384  ECDHE_RSA 
     1: 49192  ECDHE-RSA-AES256-SHA384          256  TLS1.2  Native  AES     SHA384  ECDHE_RSA 
     2: 49172  ECDHE-RSA-AES256-CBC-SHA         256  TLS1    Native  AES     SHA     ECDHE_RSA 
     3: 49172  ECDHE-RSA-AES256-CBC-SHA         256  TLS1.1  Native  AES     SHA     ECDHE_RSA 
     4: 49172  ECDHE-RSA-AES256-CBC-SHA         256  TLS1.2  Native  AES     SHA     ECDHE_RSA 
     5: 49170  ECDHE-RSA-DES-CBC3-SHA           192  TLS1    Native  DES     SHA     ECDHE_RSA 
     6: 49170  ECDHE-RSA-DES-CBC3-SHA           192  TLS1.1  Native  DES     SHA     ECDHE_RSA 
     7: 49170  ECDHE-RSA-DES-CBC3-SHA           192  TLS1.2  Native  DES     SHA     ECDHE_RSA 
     8: 49199  ECDHE-RSA-AES128-GCM-SHA256      128  TLS1.2  Native  AES-GCM  SHA256  ECDHE_RSA 
     9: 49191  ECDHE-RSA-AES128-SHA256          128  TLS1.2  Native  AES     SHA256  ECDHE_RSA 
    10: 49171  ECDHE-RSA-AES128-CBC-SHA         128  TLS1    Native  AES     SHA     ECDHE_RSA 
    11: 49171  ECDHE-RSA-AES128-CBC-SHA         128  TLS1.1  Native  AES     SHA     ECDHE_RSA 
    12: 49171  ECDHE-RSA-AES128-CBC-SHA         128  TLS1.2  Native  AES     SHA     ECDHE_RSA 
    13:   157  AES256-GCM-SHA384                256  TLS1.2  Native  AES-GCM  SHA384  RSA       
    14:    61  AES256-SHA256                    256  TLS1.2  Native  AES     SHA256  RSA       
    15:    53  AES256-SHA                       256  TLS1    Native  AES     SHA     RSA       
    16:    53  AES256-SHA                       256  TLS1.1  Native  AES     SHA     RSA       
    17:    53  AES256-SHA                       256  TLS1.2  Native  AES     SHA     RSA       
    18:    53  AES256-SHA                       256  DTLS1   Native  AES     SHA     RSA       
    19:   156  AES128-GCM-SHA256                128  TLS1.2  Native  AES-GCM  SHA256  RSA       
    20:    60  AES128-SHA256                    128  TLS1.2  Native  AES     SHA256  RSA       
    21:    47  AES128-SHA                       128  TLS1    Native  AES     SHA     RSA       
    22:    47  AES128-SHA                       128  TLS1.1  Native  AES     SHA     RSA       
    23:    47  AES128-SHA                       128  TLS1.2  Native  AES     SHA     RSA       
    24:    47  AES128-SHA                       128  DTLS1   Native  AES     SHA     RSA

    .

    [Edited]