If you have enabled the digest authentication option for SIP phones and disabled the TFTP encrypted configuration option, Hence, we recommend that you encrypt the TFTP configuration This information is unencrypted and sent in cleartext. Deploying this feature ensures that an attacker cannot intercept this information during the registration If this feature is not configured, the configuration file is IP addresses, port details, phone SSH credentials, and so on. This file contains confidential information such as usernames, passwords, TFTP Encrypted Configuration Files Overview TFTP configuration protects your data during device registration by encrypting the configuration file that the phone downloadsįrom the TFTP server during the registration process. Disable TFTP Encrypted Configuration Files.Encryption for Phone Configuration File Task Flow.TFTP Encrypted Configuration Files Overview.
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