[Samba] unexpected name obfuscation

Michael Evans michael.evans at nor-consult.com
Mon Jan 10 05:48:15 UTC 2022

I suspect you've run across a reserved filename issue.


"From Microsoft's documentation: Do not use the following reserved names for
the name of a file: CON, PRN, AUX, NUL, COM1, COM2, COM3, COM4, COM5, COM6,
COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, and LPT9.
Also avoid these names followed immediately by an extension; for example,
NUL. "

It's a reserved filename; you won't be able to use it on windows ever, at
least not without bugs and incompatibilities.

E.G. aux.something or any other long file name that gets stored as a segment
starting with AUX.

> -----Original Message-----
> From: samba [mailto:samba-bounces at lists.samba.org] On Behalf Of Eric
> Levy via samba
> Sent: Sunday, January 09, 2022 9:18 AM
> To: samba at lists.samba.org
> Subject: [Samba] unexpected name obfuscation
> Using Samba client I have mounted a share provided by a Samba server.
> Both endpoints are Linux Mint.
> The shared folder sits on a Btrfs file system, and the top-level sub-
> directories have simple names. All are exposed directly but one, whose
> name is obfuscated. The actual name is not at all unusual, however,
> being only the three ASCII characters "aux".
> The composition of the name may be easily verified, from a shell prompt
> on the server, as follows:
> $ ls -1d aux | wc -c
> 4
> $ ls -1d aux | hexdump -c
> 0000000   a   u   x  \n
> 0000004
> How may I expose the name without obfuscation?
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