We are using PA 5250 firewalls. We are not using decryption on it.
Now, we want to filter the ssh traffic satisfying all these 2 conditions:
C1) Allow access to *.mywebsite.com for ssh traffic AND allow file download upload
C2) Allow access to abc.xzy.zom and jkl.efg.com for ssh traffic AND NOT allow file transfers
Because we are not using decryption, using URL category in Security policy is not working. (even though certificate is published with subject *.mywebsite.com)
So what I did was,
1) To satisfy C1, I created a URL category with *.mywebsite.com. Then I used it in URL Filtering profile and allowed only the above category. I set action of all other categories to block. And allowed file transfer.
2) But to satisfy condition of C2, I created simple fqdn objects and put the rule for C2 above the rule for C1. And blocked file transfers.
Is my approach right? If yes, then it means that I have to keep track of any future rules for ssh and they need to go above rule for C1 ?
What you did will work perfectly fine. Since the rules are targeted, any new rules regarding SSH will just need to go above whatever is denying SSH access. In the event that you would need to allow someone access to file transfers to the domains you have listed in C2, the new rule would simply need to go above your C2 entry to facilitate that access.
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