Hi, I am trying setup poptop VPN server on my firewall machine. eth0 - internet IP eth1 - LAN IP (192.168.1.1) from inside my LAN I was able to make the connection, from outside I was not able to make the connection. tcpdump -i eth0 proto 47 or port 1723 the above command not showing any information. my iptables command: iptables -A INPUT -i eth0 -p tcp --dport 1763 -j ACCEPT iptables -A INPUT -i eth0 -p 47 -j ACCEPT Any help Thanks SR lsmod output: # lsmod Module Size Used by Tainted: P ppp_async 8128 0 ppp_mppe 25120 0 ppp_generic 24076 0 [ppp_async ppp_mppe] slhc 6348 0 [ppp_generic] iptable_filter 2624 1 (autoclean) ipt_MASQUERADE 2816 1 ipt_state 1408 2 ipt_REJECT 3872 3 ipt_LOG 4608 9 ip_nat_h323 4352 0 (unused) ip_conntrack_h323 4352 1 [ip_nat_h323] ip_nat_ftp 4640 0 (unused)
