ENCRYPT_SMX configuration parameter

Use the ENCRYPT_SMX configuration parameter to set the level of encryption for high-availability configurations on secondary servers and between Enterprise Replication Servers.

Note: From version 2.0.0.0 onwards, Enterprise Replication will use SMX connection for communicating with the peer servers.
onconfig.std value
Not set.
values
0 = Off. Do not encrypt.

1 = On. Encrypt where possible. Encrypt SMX transactions when the database server being connected to also supports encryption.

2 = On. Always encrypt. Only connections to encrypted database servers are allowed.

takes effect
After you edit your onconfig file and restart the database server.