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Discuss no more VPN connectivity after update to iOS 4.3 at the General - Hackint0sh.org; Hi there, I got a small PPTP server running at home which I use to ...
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    Default no more VPN connectivity after update to iOS 4.3

    Hi there,

    I got a small PPTP server running at home which I use to come around the Great Firewall when I'm in China. After updating the iPhone to 4.3 it doesn't want to connect anymore. The connection was working properly before the update and it's still working from my Mac so the server is up and running. I tried to set up the VPN connection new again, but it still shows connecting, starting and it toggles the switch to off again. Ideas anybody?

    Thx,
    Michael



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    Quote Originally Posted by RockfordFosgate View Post
    Hi there,

    I got a small PPTP server running at home which I use to come around the Great Firewall when I'm in China. After updating the iPhone to 4.3 it doesn't want to connect anymore. The connection was working properly before the update and it's still working from my Mac so the server is up and running. I tried to set up the VPN connection new again, but it still shows connecting, starting and it toggles the switch to off again. Ideas anybody?

    Thx,
    Michael
    Dunno if you have access to do this...


    Apple - Support - Discussions - PPTP Won't work after 4.3 Upgrade ...

    you will need to turn off either pcomp or accomp

    The iOS 4.3 and 4.3.1 devices simply stop sending traffic back after the PPTP server offers it's Configuration Request. Adding either 'nopcomp', 'noaccomp'
    or both to /etc/ppp/options.pptpd results in the connections working every time.

    In Other Words:
    iOS 4.3 and 4.3.1 immediately stop trying to establish a VPN connection
    when they are offered both pcomp (protocol field compression negotiation)
    and accomp (address/control compression). This is the default behaviour
    in PPP and presumably why allot of Linux based routers are subsequently unable
    to establish connections with iOS 4.3+.

 

 

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