I tried to create a linux vpn server with following commands that a XP client able use it as a VPN, but in the end I encountered with “error 619”, I don’t know how to solve it,Anybody help me? My system details: VPS – fedora 10 – SSH root wget ******downloads.sourceforge.net/project/poptop/pptpd/pptpd-1.3.0/pptpd-1.3.0-0.i386.rpm?use_mirror=garr yum install ppp rpm -ivh pptpd-1.3.0-0.i386.rpm vi /etc/pptpd.confadd following : localip 192.168.1..1remoteip 192.168.1.234-238,192.168.1.245 vi /etc/ppp/options.pptpdname pptpd refuse-paprefuse-chaprefuse-mschaprequirw-mschap-v2require-mppe-128 ms-dns 192.168..0.1 /etc/init.d/pptpd restart chkconfig pptpd on cd /etc/ppp ls vi chap-secrets add following :username pptpd password * echo 1 > /proc/sys/net/ipv4/ip_forward (when I use this command: iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -o eth0 -j MASQUERADE I encounter this error : iptables: No chain/target/match by that nameso I use the next command without any error responceiptables -t nat -A POSTROUTING -o eth1 -j SNAT --to 1.2.3.4 iptables-save At this time when I want to connect via a XP VPN connection, I receive error 619Can anybody help me?