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thaikhangtbt177
Beginner

Drop large file size of ASA Firepower?

Hi bro,

I have a problem with ASA5516-X with firepower. When I sent a email, which is attached a file 20 MB, it is faild.

After that, I have tested again, I find out that if a file which have smaller size 10MB, it work ok.

Can you give me advise? Thank you so much!

2 REPLIES 2
Dinesh Verma
Cisco Employee

Hi Sir,

Without firePOWER in picture, can you try sending an email with a file of size 20 MB and see if that's successful. (best way to quickly verify if it's firePOWER issue or some other device in the network).

If without firePOWER it is successful then please let us know a few details:

Do you have file policy inspection enabled? If yes then over which protocols? When you send file with 20MB file what file event  you see?

Regards,

Dv

Marvin Rhoads
VIP Community Legend

I agree with Dinesh.

This is much more commonly a setting on your email server (or proxy) than a setting in your FirePOWER policy.

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