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The SSH daemon must be configured to only use the SSHv2 protocol.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-4295 | GEN005500 | SV-37818r2_rule | High |
| Description |
|---|
| SSHv1 is not a DoD-approved protocol and has many well-known vulnerability exploits. Exploits of the SSH daemon could provide immediate root access to the system. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2017-01-27 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-32288r2_fix) |
|---|
| Edit the sshd_config file and set the "Protocol" setting to "2". If using the F-Secure SSH server, set the "Ssh1Compatibility" setting to "no". Restart the SSH daemon. # /sbin/service sshd restart |