This is a very interesting find. Please do keep us updated, and give a shout out if you want help further troubleshooting it.

On:

steve@maezi ~/scratch >system_profiler SPSoftwareDataType
Software:

    System Software Overview:

      System Version: macOS 12.2.1 (21D62)
      Kernel Version: Darwin 21.3.0

[download]

I experience the same issue:

steve@maezi ~/scratch >perl 256.pl
The TCP_INFO structure seems to be truncated to 256 bytes on this syst
+em.

[download]

In reply to Re: getsockopt truncating values to 256 bytes ? by stevieb
in thread getsockopt truncating values to 256 bytes ? by Yaribz

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