what's problems can block vpn over dns?

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hyper
Posts: 80
Joined: Sun Apr 21, 2013 8:04 pm

what's problems can block vpn over dns?

Post by hyper » Thu Jun 13, 2013 8:56 pm

hi
what's things can block the vpn over dns for client?
some clients can't connect to server via vpn over dns and get error: 1
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cedar
Site Admin
Posts: 2308
Joined: Sat Mar 09, 2013 5:37 am

Re: what's problems can block vpn over dns?

Post by cedar » Thu Jun 13, 2013 11:38 pm

VPN over DNS uses UDP/53 port.
If a firewall blocks the port, VPN over DNS don't work.
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hyper
Posts: 80
Joined: Sun Apr 21, 2013 8:04 pm

Re: what's problems can block vpn over dns?

Post by hyper » Fri Jun 14, 2013 5:47 pm

is possible, this port blocked by internet service on some isp(s)?
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