Differences

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--- virtual_private_networks [2019/08/16 14:45] – neil
+++ virtual_private_networks [2021/07/06 09:26] (current) – external edit 127.0.0.1
@@ Line 2: / Line 2: @@
 A virtual private network or "VPN" is a (usually secure) means of routing your traffic from your computer or phone to another computer.
+Bear in mind that, like anything, VPNs are not unhackable. (e.g. [[https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf|"Infiltrating Corporate Intranet Like NSA"]].)
 ====Key points: ====
@@ Line 76: / Line 78: @@
 Alternatively, you can run your own server, and install a VPN service using [[https://github.com/trailofbits/algo|Algo]].
+If you do run your own VPN server, you will need to ensure that you have it correctly configured, to prevent unauthorised use or network access, and that you are [[securing_your_devices#install_software_updates_promptly|running up to date software]], to mitigate newly-discovered bugs and security vulnerabilities. Using a VPN server which no longer receives security patches, or gets them only very slowly, is a very bad idea.
 ====Test your VPN before you rely on it====
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 If you do not have a preferred IP address checker, you can use [[https://ipv4.neilzone.co.uk|ipv4.neilzone.co.uk]].
-If you know you have an IPv6 address, either on the local network or else because of your VPN, you can use [[https://ipv6.neilzone.co.uk|ipv6.neilzone.co.uk]] to check it. If this page does not load, it means you do not have an IPv6 address.
+If you know you have an [[https://en.wikipedia.org/wiki/IPv6|IPv6 address]], either on the local network or else because of your VPN, or you want to see if you do, you can use [[https://ipv6.neilzone.co.uk|ipv6.neilzone.co.uk]] to check it. If this page does not load, it means you do not have an IPv6 address.
 (Neither of these sites log connection requests.)