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| author | Andrew Tridgell <tridge@samba.org> | 1996-08-20 15:40:32 +0000 |
|---|---|---|
| committer | Andrew Tridgell <tridge@samba.org> | 1996-08-20 15:40:32 +0000 |
| commit | 52af2b38fe91e4a993395bfc20a8ab81e6da04c1 (patch) | |
| tree | a958a4dcf19389b3f0b5e00c368e118fa5d01149 /docs | |
| parent | 07be656d3ed46dd4cd9cfaefff90300242984301 (diff) | |
| download | samba-52af2b38fe91e4a993395bfc20a8ab81e6da04c1.tar.gz samba-52af2b38fe91e4a993395bfc20a8ab81e6da04c1.tar.xz samba-52af2b38fe91e4a993395bfc20a8ab81e6da04c1.zip | |
add a bit more about the "trapdoor uid" messsage
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/samba.faq | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/samba.faq b/docs/samba.faq index 1e8ea6e3c13..de5c16c5c6b 100644 --- a/docs/samba.faq +++ b/docs/samba.faq @@ -434,6 +434,11 @@ the guest user. Complain to your OS vendor and ask them to fix their system. +Note: the reason why 65535 is a VERY bad choice of uid and gid is that +it casts to -1 as a uid, and the setreuid() system call ignores (with +no error) uid changes to -1. This means any daemon attempting to run +as uid 65535 will actually run as root. This is not good! + =============================================================================== SECTION FOUR: Specific client problems ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |