[Nix-dev] installing virtualbox client prevents PPTP from working

[Sergey Mironov]

Hi, folks.

Strange, but fact. If I install virtualbox (as described in [1]) PPTP
will no longer be able to connect to the server. It can successfully
open the connection but can't see any answer. Commenting virtualbox
out of config brings PPTP back to operating. What could be the clue?
Any debug suggestions?

Regards,
Sergey

[1] - http://nixos.org/wiki/Installing_VirtualBox_on_NixOS

Here is the main part of my pppd script for your reference.

pppd pty "pptp $IP --nolaunchpppd" \
	debug lock noauth nodeflate nobsdcomp noaccomp \
	noipdefault \
	persist \
	maxfail 100 \
	usepeerdns \
	refuse-pap \
	refuse-eap \
	refuse-chap \
	refuse-mschap \
	require-mppe \
	name "prosoft-msk\\mironov.s" \
	nodetach \
	remotename "VPN Prosoft PPTP" \
	ipparam $T