RE: PPPD n VPNS: Preventing simultaneous logins

I would use radius myself. The reason for my choice is that you can use radius to prevent things such as multiple logins and also set other connection attributes, but also because you can authenticate from almost anything using radius. There are modules for most servers to allow auth against ldap,

PPPD n VPNS: Preventing simultaneous logins

I've installed a poptop based VPN and now I need some way to prevent that the same account can be used to establish simultaneous connections (VPN sessions) to the server. Using fixed addresses is not an option, it's not possible. The first thing I thought was grepping the 'ps axuw' command in

Re: postfix with SASL over PAM

Hi Jose, > Postfix is not in a chroot jail, and (I forgot to mention this) the > user posftix is in the shadow group. I recommend running postfix chrooted and use pwcheck for authentication. Here is a quick guide how I did it: Make sure the following packages are installed... postfix-tls sasl-