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PPTP over Swisscom DSL centro grande

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Daniel Borer

20 Nov 2015 20 Nov '15

3:28 p.m.

Hi there Does anybody know? Is there a known issue with centro grande dsl router and PPTP VPN over swisscom net? We have several customers that can’t establish a connection any more - since about 2 or 3 weeks. Thanks for some help Daniel Borer

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Gert Doering

22 Nov 22 Nov

2:42 p.m.

Hi, On Fri, Nov 20, 2015 at 02:28:00PM +0000, Daniel Borer wrote:

Is there a known issue with centro grande dsl router and PPTP VPN over swisscom net? We have several customers that can???t establish a connection any more - since about 2 or 3 weeks.

I don't know, but when you mention PPTP VPN I'd just like to point out that this has been totally broken last year, so it's about as good as transmitting your data in plain text... Technically, it might be due to the GRE tunnel used by PPTP - and if there is a carrier grade NAT involved, they usually fail to handle this. I'd recommend going from PPTP VPN to OpenVPN - it is much more robust to mistreatment by NATs, and more secure as well. Gert Doering -- NetMaster -- have you enabled IPv6 on something today...? SpaceNet AG Vorstand: Sebastian v. Bomhard Joseph-Dollinger-Bogen 14 Aufsichtsratsvors.: A. Grundner-Culemann D-80807 Muenchen HRB: 136055 (AG Muenchen) Tel: +49 (0)89/32356-444 USt-IdNr.: DE813185279

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Julien Sansonnens

15 Dec 15 Dec

1:43 p.m.

Hello eveyrbody, Does anyone know who I have to speak with among major telephone service providers in Switzerland (Swisscom, Salt and Sunrise would be a good start), in order to correct errors with rates / prices of certain destinations / countries? Thanks, have a nice day, Julien -- Julien Sansonnens www.jsansonnens.ch | www.zaledia.com 2015-11-22 14:42 GMT+01:00 Gert Doering <gert(a)space.net>et>:

Hi, On Fri, Nov 20, 2015 at 02:28:00PM +0000, Daniel Borer wrote:

Is there a known issue with centro grande dsl router and PPTP VPN over swisscom net? We have several customers that can???t establish a connection any more - since about 2 or 3 weeks.

I don't know, but when you mention PPTP VPN I'd just like to point out that this has been totally broken last year, so it's about as good as transmitting your data in plain text... Technically, it might be due to the GRE tunnel used by PPTP - and if there is a carrier grade NAT involved, they usually fail to handle this. I'd recommend going from PPTP VPN to OpenVPN - it is much more robust to mistreatment by NATs, and more secure as well. Gert Doering -- NetMaster -- have you enabled IPv6 on something today...? SpaceNet AG Vorstand: Sebastian v. Bomhard Joseph-Dollinger-Bogen 14 Aufsichtsratsvors.: A. Grundner-Culemann D-80807 Muenchen HRB: 136055 (AG Muenchen) Tel: +49 (0)89/32356-444 USt-IdNr.: DE813185279 _______________________________________________ swinog mailing list swinog(a)lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog

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Steven Glogger

4:26 p.m.

are you sure, this is and error or just overpriced based on marketing decisions? ;-) greetings -steven

Am 15.12.2015 um 13:43 schrieb Julien Sansonnens <julien(a)jsansonnens.ch>ch>: Hello eveyrbody, Does anyone know who I have to speak with among major telephone service providers in Switzerland (Swisscom, Salt and Sunrise would be a good start), in order to correct errors with rates / prices of certain destinations / countries? Thanks, have a nice day, Julien -- Julien Sansonnens www.jsansonnens.ch | www.zaledia.com 2015-11-22 14:42 GMT+01:00 Gert Doering <gert(a)space.net>et>:

Hi, On Fri, Nov 20, 2015 at 02:28:00PM +0000, Daniel Borer wrote:

Is there a known issue with centro grande dsl router and PPTP VPN over swisscom net? We have several customers that can???t establish a connection any more - since about 2 or 3 weeks.

I don't know, but when you mention PPTP VPN I'd just like to point out that this has been totally broken last year, so it's about as good as transmitting your data in plain text... Technically, it might be due to the GRE tunnel used by PPTP - and if there is a carrier grade NAT involved, they usually fail to handle this. I'd recommend going from PPTP VPN to OpenVPN - it is much more robust to mistreatment by NATs, and more secure as well. Gert Doering -- NetMaster -- have you enabled IPv6 on something today...? SpaceNet AG Vorstand: Sebastian v. Bomhard Joseph-Dollinger-Bogen 14 Aufsichtsratsvors.: A. Grundner-Culemann D-80807 Muenchen HRB: 136055 (AG Muenchen) Tel: +49 (0)89/32356-444 USt-IdNr.: DE813185279 _______________________________________________ swinog mailing list swinog(a)lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog

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Julien Sansonnens

4:38 p.m.

Of course you're right ! I still noticed that some special services are wrongly considered as satellite services, with crazy prices, while they should be treated as local calls, or at worst international landline calls. That's only few consumers, but those concerned are heavily damaged :) Best regards, Julien -- Julien Sansonnens www.jsansonnens.ch | www.zaledia.com 2015-12-15 16:26 GMT+01:00 Steven Glogger <steven(a)glogger.ch>ch>:

are you sure, this is and error or just overpriced based on marketing decisions? ;-) greetings -steven

Am 15.12.2015 um 13:43 schrieb Julien Sansonnens <julien(a)jsansonnens.ch>ch>: Hello eveyrbody, Does anyone know who I have to speak with among major telephone service providers in Switzerland (Swisscom, Salt and Sunrise would be a good start), in order to correct errors with rates / prices of certain destinations / countries? Thanks, have a nice day, Julien -- Julien Sansonnens www.jsansonnens.ch | www.zaledia.com 2015-11-22 14:42 GMT+01:00 Gert Doering <gert(a)space.net>et>:

Hi, On Fri, Nov 20, 2015 at 02:28:00PM +0000, Daniel Borer wrote:

Is there a known issue with centro grande dsl router and PPTP VPN over swisscom net? We have several customers that can???t establish a connection any more - since about 2 or 3 weeks.

I don't know, but when you mention PPTP VPN I'd just like to point out that this has been totally broken last year, so it's about as good as transmitting your data in plain text... Technically, it might be due to the GRE tunnel used by PPTP - and if there is a carrier grade NAT involved, they usually fail to handle this. I'd recommend going from PPTP VPN to OpenVPN - it is much more robust to mistreatment by NATs, and more secure as well. Gert Doering -- NetMaster -- have you enabled IPv6 on something today...? SpaceNet AG Vorstand: Sebastian v. Bomhard Joseph-Dollinger-Bogen 14 Aufsichtsratsvors.: A. Grundner-Culemann D-80807 Muenchen HRB: 136055 (AG Muenchen) Tel: +49 (0)89/32356-444 USt-IdNr.: DE813185279 _______________________________________________ swinog mailing list swinog(a)lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog

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participants (4)

Daniel Borer
Gert Doering
Julien Sansonnens
Steven Glogger