Anydesk issue.

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Anydesk issue.

Hi everyone!
I have some issues with anydesk application. It has ssl issue because of decryption, I think.

I've added * ind 'SSL decryption exclusion', but it didn't worked.

Maybe some of you have faced such kind of issue?

Thanks in advance!





You mean insdide ip address? but how did you manage to avoid decryption for olny anydesk sides?


I avoid decryption for whole <private-ip-addr> category, as I could't make it only for anydesk. As I said earlier I tried many combinations.

Any update??? still not working for me.


Paloalto has predefined "SSL Descryption Exclusion" for "AnyNet Relay" and "AnyDesk Client" and I manually add "AnyNet Root CA" "*" "".


Also try with Custom URL List...



Any update? Anydesk not working for me neither.



Having the same issue. Pain in the ass!

OK got this working for now but not exactly the way I want. 


1) Tag



2) Address Group



3) SSL Decryption Policy



4) Log Forwarding



5) Built-in Actions



6) Security Rule



Hello, guys!


I met this issue and found out the root cause. Many of you know that desktop applications often check certificate. Anydesk does it. So we need to exclude it from SSL decryption, but here is the trick: * works only for Anydesk website (NGFW detects web-browsing application, see that URL match *.anydesk and exclude the session from decryption), but it doesn't work for the desktop application and here is why: 

I made a little investigation and found out that the application makes DNS query for random URL, generated upon installation. (Guess it called DGA, but correct me if I wrong)


Here is an example:1.png


Then it establishes TCP session to IP, that was previously taken from DNS Query and that's all:

1 (1).png

So our exclusion rules will not work for IP. 




1. Go to Monitor>Traffic and filter logs by application "Anydesk".

2. Export logs to CSV and open it in Excel

3. Find Destination IP column, select all items and delete duplicates

4. Copy this list to *.txt file and create EDL. 

5. Use this EDL in No-Decrypt policy



You also can go further. According to WHOIS service - backend IP addresses are located in different DCs all over the world. You can take IPs you found in logs and find the whole IP ranges in WHOIS info and use these ranges in EDL. But it doesn't seem safe to me, because many of those IPs in IP range can be used by other applications, not Anydesk, so this is a potential risk.

Looks cool!

But I think 6 should be after 3. Because you use the security rule name in the filter in Log Forwarding settings

Yes, On the assumption that the security rules doesn't exist. It does in my case. 

Hi @Ilya_Kuranov 


Could you please show me how to create a custom EDL IPv4 with Minemeld. Currently I have created and using Office365 IPv4 list but I don't know how to create a custome EDL IPv4 list with a text file as you mentioned.

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