In addition to Windows, tinc can be installed on FreeBSD, Linux, OpenBSD, Mac OS X, NetBSD, and Solaris. Multiple Ethernet segments can be bridged to work as one, thus making it possible to launch games and apps that typically work only in a local network over the web. This means that you don't have to start new daemons or customize settings for new devices or network adapters. To be able to add more nodes to the VPN, it's only necessary to create and add other configuration files. Peers can communicate directly thanks to NAT traversal, provided that there's at least one node in the VPN which permits incoming connections on a public IP address, whether it's static or dynamic. It can compress traffic using zlib and LZO as well as encrypt it using LibreSSL and OpenSSL so that it doesn't get mixed up with sequence numbers and message authentication codes.Īutomatic full mesh routing is supported so that VPN traffic is always sent to the destination directly when this is possible, without the need of resorting to multiple hops. This does require you to change one of the routers to a different subnet.Įdit: Or later in the thread, we find you can keep the same subnets using TUN, but lie to tinc about them, and use some firewall rules to make it work.Tinc is a free and open-source Virtual Private Network daemon capable of creating a VPN between hosts on the web by taking advantage of tunneling and encryption. Overall, I recommend TUN because it is usually sufficient, and much cleaner a setup. Typically you wouldn't use TAP unless you needed it for a specific reason. I used to run TAP for a while, but found I didn't really need it. With tun you would have to manually specify the IP address. That mean games being hosted over the vpn should automatically appear in the game network menu. TAP is useful for local network discovery. It will actually stop you from entering and saving anything there if TAP is already selected. In TAP mode, you would just leave the subnet portion blank. DHCP is only one of several *brodcast* data types that could fumble your network up (upnp, natpmp, even dropbox uses broadcasts for local discovery, and could be an issue). If you do have DHCP enabled, you have to make sure they don't have overlapping ranges. This can cause internet to be routed through the vpn, and slow down the whole vpn, and internet for that computer. DHCP, if enabled, and not blocked (there are some threads on how to do this), will probably assign IP addresses to computers at the other end of the VPN, which is undesirable. All broadcast data, arps, and other traffic is passed to the other side, causing more overhead. In TAP mode, Network data is routed by MAC addresses. This means that if one router's IP addresses is 192.168.1.1, the other router's address must be different from this. They're the same network, and multiple IP addresses will cause conflicts. This can be a little trickier to setup, I'll explain.īecause this joins two networks into one network, all on the same subnet, you cannot have any overlapping IP addresses between the two networks. Both networks in bridging are on the same subnet. This method joins two networks as if they were one network, called bridging. Traffic between the two networks is routed, which mean the two networks can communicate with each other, but they are still are two independent networks. Each network must be on their own subnet. This is the method given in the tutorial and the easier one to setup. It is possible to set this up two ways, similar also to OpenVPN.
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