topic Re: Bock apk file extension and android software update in firesight in Network Security

Bock apk file extension and android software update in firesight

waiyantinwin — Tue, 12 Mar 2019 13:01:44 GMT

Hi all,

How can I block apk file and android software update in ASA 5525x firesight? I have tried various ways to block them but cannot success yet.Please help me to solve that.

Hi

yogdhanu — Fri, 27 May 2016 18:10:26 GMT

You can use application filtering to block google play and then use url filtering to block specific updates URL's

Rate if helps.

Yogesh

Hi.

waiyantinwin — Sat, 28 May 2016 04:34:33 GMT

Hi.

I want to block apk file extensions in Policies)Access Control)Malware and File Tab.

I do not see APK file type in File policy. Please help me to solve that.

File policies can only act on

Marvin Rhoads — Sat, 28 May 2016 19:10:34 GMT

File policies can only act on the pre-defined file types that are recognized by FirePOWER. Those are the only ones listed in the Malware and File tab. If it's not listed there (as APK files are not) then you cannot use a File Policy to block them.

You need to instead use an alternative method such as the one Yogesh described. (Though since the Google Play store is strictly https, you would also need a decryption policy.)

Another option would be to use OpenDNS and block access to Google Play via its policy.

Thanks Rhoads,

waiyantinwin — Tue, 31 May 2016 03:13:43 GMT

Thanks Rhoads,

You mean we can only use predefined file types in firesight policy.Must search alternative way to block them.Right?

You're welcome.

Marvin Rhoads — Tue, 31 May 2016 03:15:31 GMT

You're welcome.

Yes that's correct.

If the file type is not among the predefined types then you cannot block it with a file policy.

Sorry for another question

waiyantinwin — Tue, 31 May 2016 04:25:18 GMT

Sorry for another question.let me ask you.I see custom file list in file policy.Can I use that object instead of alternative way?

Thanks for your reply.

You can but that does not

yogdhanu — Tue, 31 May 2016 06:12:29 GMT

You can but that does not accept extension as a way to define object. You would need to define a SHA value which will be for a unique file.

Yes.. I already tested for

waiyantinwin — Tue, 31 May 2016 07:27:03 GMT

Yes.. I already tested for that object.It is just only for unique file sha calculation not APK files calculation.So the file policy did not affect on other apk.

OK.. Thanks yogdhanu and Rhoads.

Re: Bock apk file extension and android software update in firesight

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Re: Bock apk file extension and android software update in firesight

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Re: Bock apk file extension and android software update in firesight

joshuaperez — Mon, 04 Apr 2022 14:58:19 GMT

I have this problem too, anyone have any workaround for it?

Re: Bock apk file extension and android software update in firesight

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Re: Bock apk file extension and android software update in firesight

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Re: Bock apk file extension and android software update in firesight

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Re: Bock apk file extension and android software update in firesight

hayleymarsh610 — Wed, 07 Dec 2022 05:25:32 GMT

I've also just faced the same issue while uploading APK file using for MEPCO Bill website and the APK was blocked due to root directory error. Then I cleaned the Junk files in Cache and restore the data files, load APK again and it's working now. Maybe it can help you.