Re: writing much slower than reading...

1999-11-06 Thread John-Mark Gurney
Jonathan Lemon scribbled this message on Nov 6: > Try doing `iostat 1' while doing the transfers. This is what I see here: > > tty da0 da1 da2 cpu > tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id > TEST A:0.

Re: Procfs' pointers to files.

1999-11-06 Thread Warner Losh
> Is this a real problem, or is it a "well don't protect suid > executables that way" problem? The permissions used in Linux's > /proc seem to be more conservative and seem to prevent this. Yes. This is a real problem. One of the security team has had patches since before FreeBSD CON. There ar

Re: exec() security enhancement

1999-11-06 Thread C. Stephen Gunn
On Sun, Nov 07, 1999 at 03:53:50AM +0900, Daniel C. Sobral wrote: > [and, as you said, the same goes for nosuid -- and for nodev too] > > This doesn't enhance security. It enhances auditability. I like > this. Add a syslog, and a sysctl to turn it on or off. It seems > straight-forward and ligh

Re: Procfs' pointers to files.

1999-11-06 Thread Warner Losh
In message <[EMAIL PROTECTED]> Brian Fundakowski Feldman writes: : It sounds to me that what you really want are the semantics of a : symbolic link and not the semantics of a hard link. Is it just me, : or does it seem as if the pathname of the executable being stored as : a virtual symlink in pr

Re: Procfs' pointers to files.

1999-11-06 Thread Daniel C. Sobral
Brian Fundakowski Feldman wrote: > > It sounds to me that what you really want are the semantics of a > symbolic link and not the semantics of a hard link. Is it just me, > or does it seem as if the pathname of the executable being stored as > a virtual symlink in procfs as "file" would solve th