Hi, Can enybody suggest how I could track down a problem with sometimes refused connections? Couple of times a week nobody can make a vpn connection to our poptop vpn server. In /var/log/messages I get the following error: pptpd[4374]: GRE: read(fd=5,buffer=8055a20,len=8260) from network failed: status = -1 error = Connection refused When I restart my firewall everithing gets ok for a while again. How to find out what's going on with the pptpd or iptables (or maybe with the kernel)? And how to understand the components of the message from pptpd? I guess the problem is not in pptp, as restarting the firewall rules solves the issue.