"-d any" from the web example works with Linux 2.2+ only
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jpr5
At your web http://ngrep.sourceforge.net/usage.html you often use option "-d any".
The interface "any" does not work on Solaris for example.
It would be nice to add the note to your web that the "any" works on Linux only (kernel 2.2 and newer) as it's written at the man page libpcap. On Solaris it produces ugly error message that is not much user friendly:
> libpcap: dlpi_open failed on any: invalid DLPI linkname: Invalid argument
Stale bug, closing.
FYI bug reports are managed here now: https://github.com/jpr5/ngrep/issues