"-base" applications and how they relate to non-base applications

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"-base" applications and how they relate to non-base applications

L1 Bithead

The term "base" makes this impossible to search for because "application-based" and "port-based" shwo up everywhere. I am not finding an answer in any documentation yet. So, please help me clarify. If I specify the application to be one with the suffix "-base" does that mean it includes all the specializations, or does it mean it is only including the first-ever defined application signature in that category, such as the very first SMB version signature? Maybe it's a third option. 

Yes, in the real world I try to make the rule very relaxed and then see what actually hits the rule, but I have a coworker asking now so we require a better answer - so thank you in advance! 

1 accepted solution

Accepted Solutions

Cyber Elite
Cyber Elite

Hi @joshuahill9 ,

 

I agree.  There is little documentation on it.  From my understanding, the -base app is like the generic app before more specific apps can be identified.  In the examples below (Objects > Applications ) you see 2 -base apps.  The -base apps do not include other apps.  The "container app" at the top of each example does include all the specific apps listed under it.

 

TomYoung_0-1747944962168.png

TomYoung_1-1747945025728.png

 

PANW also has an online reference.  https://applipedia.paloaltonetworks.com/

 

Thanks,

 

Tom

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Cyber Elite
Cyber Elite

Hi @joshuahill9 ,

 

I agree.  There is little documentation on it.  From my understanding, the -base app is like the generic app before more specific apps can be identified.  In the examples below (Objects > Applications ) you see 2 -base apps.  The -base apps do not include other apps.  The "container app" at the top of each example does include all the specific apps listed under it.

 

TomYoung_0-1747944962168.png

TomYoung_1-1747945025728.png

 

PANW also has an online reference.  https://applipedia.paloaltonetworks.com/

 

Thanks,

 

Tom

Help the community: Like helpful comments and mark solutions.

Your response might be the best solution I get, thank you. I will leave it open over the weekend just in case another person responds. Applipedia is definitely a good resource. 

If the -base is the most simple/basic app signature that all specializations will match I guess it could be used as a catch-all after more specific rules. Example - allow smbv3 but then later in the policy list log and drop smb-base in order to identify hosts using out of date protocols - or later in the policy list log and allow smb-base with a stricter antivirus/file/whatnot rules.    If I do get a different solution I will try to delete this reply so I don't confuse others. 

Thanks!

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