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Gr8tstone
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Posts: 1
Joined: Wed Nov 09, 2016 2:34 pm

L2tp/IPsec VPN

Thu Nov 10, 2016 8:58 am

Due to the dropping of PPTP by Apple, we have had to setup a L2TP/IPsec vpn.
We are using server 2008R2 as the vpn server.
We have RouterOS X86 v 3,67.1
We have setup Natting to pass the vpn connections to the server, on ports 500, 4500
Android devices can connect via the Mikrotik,
Windows 10 clients, any version windows for that matter, cannot connect. They can if we connect from inside the firewall. Which indicates that something is not configured correctly on the Mikrotik.
Any Suggestions on what these might be, would be greatly appreciated
 
erlinden
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Posts: 173
Joined: Wed Jun 12, 2013 1:59 pm

Re: L2tp/IPsec VPN

Thu Nov 10, 2016 11:00 am

I have the VPN running on my RB750Gr3 and adjusted the firewall with:

UDP 500
UDP 4500
UDP 1701
5

See also:
IP Protocol Type=UDP, UDP Port Number=500 <- Used by IKEv1 (IPSec control path)
IP Protocol Type=UDP, UDP Port Number=4500 <- Used by IKEv1 (IPSec control path)
IP Protocol Type=UDP, UDP Port Number=1701 <- Used by L2TP control/data path.
IP Protocol Type=50 <- Used by data path (ESP)

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