| Dmitry Teselkin | e9420e7 | 2018-04-03 13:49:39 +0300 | [diff] [blame] | 1 | # 5.2.2 Ensure SSH Protocol is set to 2 (Scored) |
| 2 | # |
| 3 | # Profile Applicability |
| 4 | # --------------------- |
| 5 | # - Level 1 - Server |
| 6 | # - Level 1 - Workstation |
| 7 | # |
| 8 | # Description |
| 9 | # ----------- |
| 10 | # SSH supports two different and incompatible protocols: SSH1 and SSH2. SSH1 was the |
| 11 | # original protocol and was subject to security issues. SSH2 is more advanced and secure. |
| 12 | # |
| 13 | # Rationale |
| 14 | # --------- |
| 15 | # SSH v1 suffers from insecurities that do not affect SSH v2. |
| 16 | # |
| 17 | # Audit |
| 18 | # ----- |
| 19 | # Run the following command and verify that output matches: |
| 20 | # |
| 21 | # # grep "^Protocol" /etc/ssh/sshd_config |
| 22 | # Protocol 2 |
| 23 | # |
| 24 | # Remediation |
| 25 | # ----------- |
| 26 | # Edit the /etc/ssh/sshd_config file to set the parameter as follows: |
| 27 | # |
| 28 | # Protocol 2 |
| 29 | |
| 30 | parameter: |
| 31 | openssh: |
| 32 | server: |
| 33 | protocol: 2 |
| 34 | |