[linux-security] Re: Problem with TCP_wrappers

[Chris Evans <chris ferret lmh ox ac uk>]

On Wed, 5 Aug 1998, Wietse Venema wrote:

> Jan Kasprzak:
> > the "setenv" keyword in the hosts.{allow,deny}. It simply does not
> > work for me. I have tried to use the "setenv" keyword for qmail's incoming
> > mail:
> > 
> > tcp-env: ALL  local domain : setenv RELAYCLIENT
> 
> In the HOSTS_OPTIONS(5) manual page, I wrote:
> 
>        setenv name value
>               Place  a  (name, value) pair into the process envi-
>               ronment. The value is subjected to %<letter> expan-
>               sions  and  may contain whitespace (but leading and
>               trailing blanks are stripped off).

Redhat-5.1 shipped a broken tcp_wrappers in which setenv does not work. We
discovered this the hard way when we upgraded 4.2->5.1.

RedHat released a rapid update when we traced our qmail problem to
tcp_wrappers. Get the tcp_wrappers update and you should be laughing.

Cheers
Chris