SV-226894r603265_rule
V-226894
SRG-OS-000480
GEN003606
CAT II
10
Edit /etc/ipf/ipf.conf and add rules to block outgoing source-routed packets, such as:
block out log quick all with opt lsrr
block out log quick all with opt ssrr
Reload the IPF rules.
Procedure:
# ipf -Fa -A -f /etc/ipf/ipf.conf
Check the system for an IPF rule blocking outgoing source-routed packets.
Procedure:
# ipfstat -o
Examine the list for rules such as:
block out log quick all with opt lsrr
block out log quick all with opt ssrr
If the listed rules do not block both lsrr and ssrr options, this is a finding.
V-226894
False
GEN003606
Check the system for an IPF rule blocking outgoing source-routed packets.
Procedure:
# ipfstat -o
Examine the list for rules such as:
block out log quick all with opt lsrr
block out log quick all with opt ssrr
If the listed rules do not block both lsrr and ssrr options, this is a finding.
M
4060