OnixS Technical Alert - Nodal Exchange FIX SSL changes on 9th July 2021

On 23rd June 2021 Nodal Exchange issued the technical advisory alert below:  

Please be advised the following algorithms will no longer be supported when establishing an SSL connection to Nodal's FIX Trade Capture Gateway for the evening of July 9th, 2021 the following algorithms will be disabled:

  • 3des-cbc
  • aes128-cbc
  • aes192-cbc
  • aes256-cbc
  • blowfish-cbc
  • cast128-cbc
If you would like to test your compatibility for the upcoming change to minimize any possible disruptions, please email helpdesk@nodalexchange.com or call (703) 962-9860.

Based on the OpenSSL libraries used in the OnixS FIX Engine SDKs that support the full range of TLS1.2 ciphers - all should be OK.
NODAL offer a FIXPS/RTV11 UAT environment in case you would like to test the upcoming changes. This can be arranged via the Nodal Helpdesk.