FortiGate like session tracking ACL

shengkangjin — Thu, 18 Mar 2021 02:33:46 GMT

Hello All,

I've been using FortiGate for my firewall choice and would recently like to switch to cisco ASA.

one thing that I noticed from the FortiGate, is that it does not have ACLs, instead, it has something called Policy to filter the IPv4/IPv6 packets.

Now, ACLs are straight forward in terms of packet filtering. You specify the condition, bind it towards a certain direction of an interface. it's works like a filter.

But when digging deeper into understanding the difference between Fortigate Policy and Cisco ACLs (actually ACLs in general, I only see policy on Fortigate). There's a feature called session tracking which I found pretty useful.

In short, when applying an allow policy, not only does Fortigate allow the packet to pass from the source interface to destination interface (you have to specify 2 interfaces), it also tracks the session so that the reply packet in reverse direction gets allowed as well.

In user friendly terms, this becomes useful since I can simply put an allow policy from host A (connected to interface A) to host B (connected to interface B), so that host A can initiate network session talks such as SSH, ICMP, etc while host B cannot do the samething backwards.

Now that I'm trying to replace the Fortigate with Cisco ASA, is there a similar feature of which I can utilize and achieve the same effect?

Thank you

Re: FortiGate like session tracking ACL

balaji.bandi — Thu, 18 Mar 2021 07:54:17 GMT

n user friendly terms, this becomes useful since I can simply put an allow policy from host A (connected to interface A) to host B (connected to interface B), so that host A can initiate network session talks such as SSH, ICMP, etc while host B cannot do the samething backwards.

if i understand correctly same thing works with ASA its stateful firewall, when you enable stateful inspection - it automatically tracks the connection from inside to destination and maintains a state table.(not other way around.)

for reference : (hope this what you looking ?)

https://www.cisco.com/c/en/us/td/docs/security/asa/asa96/configuration/firewall/asa-96-firewall-config/inspect-overview.html

topic FortiGate like session tracking ACL in Network Access Control

FortiGate like session tracking ACL

Re: FortiGate like session tracking ACL