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09-19-2017 01:28 PM
Basic trust to untrust policy I see internal address sending snmp to addresses like 10.0.0.1, 192.168.1.x.
Do people create a policy to block internal traffic going to RFC1918 on the untrusted interface?
09-19-2017 01:52 PM
I usually block trust to untrust RFC1918.
Although ISP routers drop it anyway I like to keep it clean.
It is really common for many applications like Skype for example to scan internal ranges for peers.
12-15-2022 02:11 PM
Do you have the one line policy.
Trust to untrust ( the builtin PAN addresses appear confusing.
TrRUST or INSIDE zones
ANY
UNTRUST
Action Block/deny
This is the first policy I believe
12-22-2022 11:52 AM
Hello,
If you follow a DENY ALL allow by exception methodology, just put a DENY ALL policy at the bottom of the Security Policies. This way only traffic that you 'allow' is allowed to go between zones, etc.
Regards,
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