Package: tayga
Version: 0.9.2-8
Severity: normal

RFC 8215[1] allocates 64:ff9b:1::/48 as a block of well-known prefixes for networks that contain more than one NAT64 translator. However, tayga refuses to run when one of those prefixes is configured.

For example, when "prefix 64:ff9b:1:fffe::/96" is specified in tayga.conf, it aborts with the following error message:

  Cannot use reserved address 64:ff9b:1:fffe::/96 in prefix directive, 
aborting...
  Starting userspace NAT64: tayga failed!

[1] https://tools.ietf.org/html/rfc8215

-- System Information:
Debian Release: 12.4
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-16-amd64 (SMP w/1 CPU thread; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages tayga depends on:
ii  init-system-helpers        1.65.2
ii  libc6                      2.36-9+deb12u3
ii  sysvinit-utils [lsb-base]  3.06-4

tayga recommends no packages.

tayga suggests no packages.

-- Configuration Files:
/etc/default/tayga changed [not included]
/etc/tayga.conf changed [not included]

-- no debconf information

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