Jan 29, 2016
Configure Ace L2TP VPN on iPad / iPhone / iPod touch Ace VPN 2017-10-02T18:52:15-04:00 Ace VPN can be used on iPhone, iPad and iPod touch devices to protect your privacy and securely surf the internet without worrying about sidejackers and behavior monitoring web sites. Setup VPN (L2TP/IPSEC) tunnel between Zywall USG and Jul 19, 2015 L2TP server allows connections through firewall for iPhone I've already verified that it is passing NAT-T. The firewall rules are all set up correctly to pass GRE, IKE, L2TP and there are no custom IPSEC policies running on the server. L2TP is using a PSK instead of a certificate. Oddly, my Windows 7 and 8 desktops cannot make a successful connection, but my iPhone and iPad devices connect successfully.
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How to connect iPhone and iPad to a Mikrotik L2TP VPN server Jul 26, 2018 Troubleshooting L2TP connectivity when using iPhone, iPod When L2TP client (iPhone, iPod, iPad) running iOS 3.x tries to connect, Phase 1 succeeds because these transformations are supported by iOS 3.x. But phase 2 negotiation fails as iOS 3.x doesn't support AES256. (please refer the above mentioned supported transformations)