Security and authentication
9.3 IPsec VPN
SCALANCE S615 Command Line Interface
398
Configuration Manual, 06/2015, C79000-G8976-C406-02
Further notes
You display this setting and other information with the
show ipsec conn-phase2
command.
You enable the setting with the
auto-fwrules
command.
9.3.8.3
default-ciphers
Description
With this command, you specify that a preset list (default list) is transferred to the VPN
connection partner during connection establishment. The list contains a combination of the
three algorithms (Encryption, Authentication, Key Derivation).
To establish a VPN connection, the VPN connection partner must support at least one of
these combinations. The combinations depend on the phase und the key exchange method
IKE).
Combination
Phase 1
Phase 2
Encryption
Authentica-
tion
Key Derivation
IKEv1
IKEv2
IKEv1
IKEv2
AES128
SHA1
DH Group 14
x
x
x
x
AES256
SHA512
DH Group 16
x
x
x
x
AES128 CCM 16 SHA256
DH Group 14
-
x
x
x
AES256 CCM 16 SHA512
DH Group 16
-
x
x
x
AES128
SHA1
none
-
-
x
x
AES256
SHA512
none
-
-
x
x
AES128 CCM 16 SHA256
none
-
-
x
x
AES256 CCM 16 SHA512
none
-
-
x
x
x: is supported
-: is not supported
none: For phase 2, no separate keys are exchanged. This means that Perfect Forward Secrecy PFS) is disabled.
Requirement
You are in the IPSEC PHASE configuration mode.
The command prompt is as follows:
cli(config-conn-phsX)#
X: 1 (Phase 1)
2 (Phase 2)
Syntax
Call the command without parameter assignment:
default-ciphers
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