Why RHEL 9 omit "AcceptEnv LANG" and other locale environment?

Solution Verified - Updated -

Issue

  • In RHEL 9, default /etc/ssh/sshd_config omit trasfering locale related environment variables. What is the problem in these settings? Are there security issue related with these settings?

    # Accept locale-related environment variables
AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE
AcceptEnv XMODIFIERS

Environment

  • Red Hat Enterprise Linux 9
  • openssh

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