Re: [strongSwan] Unable to establish VPN tunnel from China (Strongswan IKEv2)

2016-10-13 Thread Noel Kuntze
On 13.10.2016 13:01, Oliver Söder wrote: > Oct 10 14:54:16 Ubuntu-1604-xenial-64-minimal charon: 01[NET] sending packet: > from 172.31.1.100[500] to 114.219.152.248[56667] (337 bytes) > Oct 10 14:54:16 Ubuntu-1604-xenial-64-minimal charon: 10[NET] sending packet: > from 172.31.1.100[500] to 114.2

Re: [strongSwan] Unable to establish VPN tunnel from China (Strongswan IKEv2)

2016-10-13 Thread Tianjie Mao
Hi, From my personal experience it looks like the other party did not send back a certificate as requested by this host, or the packet got lost on the network. IKE packets can be as large as 3,000 bytes, and China's Internet is known to have Path MTU "black holes" [1]. Please try ECDSA certifi

[strongSwan] Unable to establish VPN tunnel from China (Strongswan IKEv2)

2016-10-13 Thread Oliver Söder
I set up a IKEv2 server which works fine with clients from Europe. A connection from China fails, log of an unsuccessful attempt is at the end of this email. And please excuse me if the log is too long, it is the first time I set up such an environment (one week ago). Can I do some changes at the