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IPsec encryption algorithms

Sophos Firewall supports the following encryption algorithms for IKEv1 and IKEv2 phase 1 and 2.

IKEv2 ciphers

Sophos Firewall supports these encryption algorithms for IKEv2.

Phase 1

  • AES256
  • AES192
  • AES128
  • Blowfish
  • 3DES

Phase 2

  • AES256
  • AES192
  • AES128
  • Blowfish
  • 3DES
  • AES256GCM16
  • AES192GCM16
  • AES128GCM16
  • AES256GMAC
  • AES192GMAC
  • AES128GMAC

IKEv1 ciphers

Sophos Firewall supports these encryption algorithms for IKEv1.

Phase 1

  • AES256
  • AES192
  • AES128
  • Blowfish
  • 3DES
  • TwoFish
  • Serpent

Phase 2

  • AES256
  • AES192
  • AES128
  • Blowfish
  • 3DES
  • AES256GCM16
  • AES192GCM16
  • AES128GCM16
  • AES256GMAC
  • AES192GMAC
  • AES128GMAC
  • TwoFish
  • Serpent
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