Hello, I am being asked a lot about why is Anydesk getting a "decrypt-error" end reason when SSL Decryption is active. Here is a simple explanation and how to overcome this. What you usually going to do with this kind of errors is creating a Decryption bypass rule for Anydesk (in this example) Since is it impossible to bypass based on application, you would probably use a Custom URL category with a wildcard (*.anydesk.com), and apply it in a bypass rule. Unfortunately, this doesn't work (I'm not sure why, I think Anydesk uses IP addresses and not URLs) The other option I came across is using an FQND (relays.net.anydesk.com) published in one of the related articles, that also didn't work for me. It was not consistent. Then I found that Anydesk is being bypassed by default in PANOS (Device --> Certificate management --> SSL Decryption Exclusion). Then why isn't it being bypassed?! Well, it is because of the certificate Anydesk uses. It is using a Self-Signed certificate, and your device does not trust it (yet). This is the reason for the decrypt-error. Basically, what you would like to do now is: Start a packet capture and export the CA certificate. Then, import the certificate to your device, and mark it as a trusted CA. Commit, and now Anydesk should work. I am sharing here the CA certificate currently being used by Anydesk. Copy the text below to a text file and rename it to ".crt" -----BEGIN CERTIFICATE----- MIIFYzCCA0ugAwIBAgIJAIf7DQy3sYvoMA0GCSqGSIb3DQEBBQUAMEgxFzAVBgNV BAMMDkFueU5ldCBSb290IENBMSAwHgYDVQQKDBdwaGlsYW5kcm8gU29mdHdhcmUg R21iSDELMAkGA1UEBhMCREUwHhcNMTQwNDExMDIzNzU1WhcNMjQwNDA4MDIzNzU1 WjBIMRcwFQYDVQQDDA5BbnlOZXQgUm9vdCBDQTEgMB4GA1UECgwXcGhpbGFuZHJv IFNvZnR3YXJlIEdtYkgxCzAJBgNVBAYTAkRFMIICIjANBgkqhkiG9w0BAQEFAAOC Ag8AMIICCgKCAgEAtBVBDdoa01og/vnfvwqM8aSt79RUlufigrcNAOrxN+LXjKEW O6BoCDiqbdsmvqZpkzaojh5w3KyBHuLdFoM0tRVw9YrNne5dgHxaeKIHpK7m+NYx +lx7u+Ba61Evl7/2+zMnkLPY5ODNaDtqh2ymDefYvWHfVmsq4Rwr9Z+/hd2MWwYe cX+6SqZAsHcX6iw/W5QUhS6tEWGriPYBu7NHa+KBGPGOOebYewxjhoOscIR1Jy01 PXt7qM6ySHkIOC2CJn6TSzJ2ZoWn/crxCi/HYg9qQP4aa1gcU+RjwXWDmqt4BEmD H+cjcJ+jv2jRMy9M3l6GmH1hfQE09Zzpy0FrrlArZ9XZ8gL8X6NSNLncZ+/6c8WU QOq1iveY7Oibu4ZsbzY3ioCMn4T2ykp2InKNUn2FdU1V762v8+UWIwBb6Lbtfp8u gEvu1V/cZemJ3NumQwS7zv2pTC8ZM6rmcSCG/kWLl+bIHU9wusfAw/Om8trCpBvd iU7sHNp7JI+qQvkUMoNoY8gmvOwTsw0L4rYIxsYGfqMWbxXSGxZSPB8ikSUXFcxC gto7qDnHKlDK2UygjJUzdQNwuN+gybKyixs4g3kywxLaM5ZC9JERqsYmMbzqQ4ow VGXFQ55QO/qRkw6dOyNKPUPBxiKbaK8v/AGAUhgFIg69auQuydbsxY/zE7MCAwEA AaNQME4wHQYDVR0OBBYEFBlleQaAxt6yqliZV7I2XO0BYo1HMB8GA1UdIwQYMBaA FBlleQaAxt6yqliZV7I2XO0BYo1HMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEF BQADggIBALOqRxekr9JgNBWtJdWOKF7BqrGNMFabR3by4CBUBj3xI8Lvu6Hyn+Or DAa/VF4MGjVWbeGTS8WZX5CGflKDlKCgRzby/PLCTXDJyW40XKcPBP3rFl6KvoY7 oAxzf6P1Xz0rxUEMZwrjSCvKYvapmh7J5ES8F/nbXEWYCWnsyGPvhSlOce35maxJ IIqQvFmO8fOlmZkS46d75Wg0q1NarfFEyrp/wqZzkhDqjLHGydXkXisPHkqT+W1M BoWQZVHTicwuomu15PDqNzWpfcDLhxIycpMhUYEdowzKlviB9JKgr/cZJPPmzeoR KcnxKR2yKxgatKPAWMRwOXiniNd0MsKAYoNY47Q+JbhWLGB3UiWqYTLRl413JDQk xdvy3WHI7WNXDsJw5R9S3WxvOLLa7Z2nL4f6s3DlZE35wwLVRtofy/BYIPxElvDK tps55s8n0CyZdNTK3keI7d/3nDusimLSdZDZAIHT+MJHjpq9h23O5Zp/KHakd8Y/ ub9N8cvfDyxz/rRg4yZeg/KuNlaU6aedoT3KXW49Xahv8qWP855ohSfs6WeFNBYN RTQUjgcMeyVRVPM/oSrvmheeUd4WZPvd4ciUCYw5u3dz1Ga7SStc+itXi2at96hw O4+eCXHeEi7tAhBM1Wcecv86PjRtkmA9RF70IWDubC46cxrDJmr0 -----END CERTIFICATE----- Hope this is helpful. Cheers!
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