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The system must be configured with a default gateway for IPv4 if the system uses IPv4, unless the system is a router.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-4397 | GEN005560 | SV-30079r1_rule | ECSC-1 | Medium |
| Description |
|---|
| If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial of Service attacks. |
| STIG | Date |
|---|---|
| Solaris 10 x86 Security Technical Implementation Guide | 2018-06-29 |
Details
| Check Text ( C-8275r2_chk ) |
|---|
| Check the system for an IPv4 default route. Procedure: # netstat -r |grep default If a default route is not defined, this is a finding. |
| Fix Text (F-27159r1_fix) |
|---|
| Create or edit /etc/defaultrouter to contain the default gateway address. Procedure (for a default gateway of 192.168.3.1): # echo "192.168.3.1" > /etc/defaultrouter Restart the system for the setting to take effect. |