[rsbac] New kernel 2.4.25 with rsbac 1.2.2: postfix smtp/tcp service unknown ?

Amon Ott ao at rsbac.org
Wed Feb 25 09:56:14 CET 2004

Hello Gabor!

On Montag, 23. Februar 2004 19:00, gabor.horvath at konicaminolta.hu wrote:
> Everything works but postfix has got a small problem: in mail.err : fatal:
> unknown service: smtp/tcp
> There is nothing in rsbac.log (using rklogd).
> I checked everything made a diff file compared to an other server (2.4.24
> w/ 1.2.2): result: no difference.
> I had to set up postfix (master.cf) that smtp do NOT use chroot and it
> works now ?!
> It seems that if it is chrooted to /var/spool/postfix it cannot read the
> /var/spool/postfix/etc/services file (although of course it has got the
> necessary rights to do it so). But again no sign of that in rsbac log.
> Unfortunately with this 'live' kernel I couldn't do strace on postfix/smtp.
> Anyone else with similar situation or faced this?

My postfix smtpd has "-" and no "n" on its chroot entry in master.cf, so I 
guess it is also chrooted, but without any problems under 2.4.25 kernel with 
RSBAC v1.2.2.

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