New answers tagged site-to-site-vpn
Sonicwall makes a VPN client for PCs - http://help.mysonicwall.com/applications/vpnclient/ Site-to-Site generally refers to a connection between two dedicated VPN routers.
Windows 7 is a client OS, hence you can't really use it to establish a site to site VPN. Well, you probably can do something, but no vendor will support it. Anyway, what you're after is known as a remote access VPN, point to site or client to site. You'll have to configure your SonicWall for that purpose and use its VPN client on your Windows 7 machine.
I found out the answer my self to day by trying it out. It DOES work when Easy VPN is setup as Client mode. Extended-network mode didnt work as first, im not sure if this is fixable - but, Client mode works without any portforwarding.
Any site-to-site portforwarding techniques used with the established VPN between these sites is a sign of poor design and probably work done badly. With a proper VPN desing, any subnets inside VPN should have full connectivity and no need to forward anything to each other. Same rule appies when a security gateway is behind a NAT - it should not be. Even ...
Point the route to the 10.0.10.0/24 to the CentOS LAN IP on the Debians. Enable the ip forwarding in CentOS (net.ipv4.ip_forward = 1 with sysctl). Review the iptables configuration in CentOS to be sure it passes the packets. If HQ LAN doesn't know about your branch LAN addresses - add NAT in CentOS, translate the branch LAN addresses to a CentOS VPN client ...
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