Finding ID | Version | Rule ID | IA Controls | Severity |
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V-22417 | GEN003610 | SV-26632r1_rule | ECSC-1 | Medium |
Description |
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ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages contain information from the system's route table that could reveal portions of the network topology. |
STIG | Date |
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SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2015-10-01 |
Check Text ( C-27669r1_chk ) |
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Verify the system does not send IPv4 ICMP redirect messages. Procedure: # ndd /dev/ip ip_send_redirects If the result is not 0, this is a finding. |
Fix Text (F-23875r1_fix) |
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Configure the system to not send IPv4 ICMP redirect messages. Procedure: # ndd -set /dev/ip ip_send_redirects 0 Also add this command to a system startup script. |