| Feature | SSH for OpenVMS | TCP/IP Services | 
|---|---|---|
| Interoperability | ||
| Preserves OpenVMS attributes between OpenVMS systems | ||
| SSH third-party interoperability with support for SFTP protocol version 3 and 4 | ||
| SSHKEYGEN key format conversion from OpenSSH to SSH2 | ||
| Management | ||
| SSH Public Key Assistant & Server | ||
| SSH-CERTVIEW and CERTENROLL utility (validating certificate details) | ||
| CERTTOOL Utility for X.509 Certificate Manipulation | ||
| Server-side "SessionRestricted" keyword (restricts users to perform only specific types of operations) | ||
| Security | ||
| Single sign-on support for Kerberos v5 and PKI certificates | ||
| SSH2 server and client are compiled from unaltered cryptographic source, which is FIPS 140-2 Level 2 compliant | ||
| Single sign-on access to LDAP & RADIUS authentication | ||