diff options
| 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 | 7f38abfbdb57b4ed33fa0aaacdfe7414d4c19a28 (patch) | |
| tree | 8571ab01a296238da64bce59994c9118d862f933 | |
| parent | cbfdcb4941e2bd28998d2f9ed53f98c5b75994c0 (diff) | |
| download | samba-7f38abfbdb57b4ed33fa0aaacdfe7414d4c19a28.tar.gz samba-7f38abfbdb57b4ed33fa0aaacdfe7414d4c19a28.tar.bz2 samba-7f38abfbdb57b4ed33fa0aaacdfe7414d4c19a28.zip | |
add a bit more about the "trapdoor uid" messsage
(This used to be commit 52af2b38fe91e4a993395bfc20a8ab81e6da04c1)
| -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 1e8ea6e3c1..de5c16c5c6 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 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |