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Re: IPPROTO_ESP and vpnc
I don't know why you're getting the error, but you can't have ESP
enabled in the kernel if you want to run vpnc. If ESP is enabled in the
kernel then the kernel will grab the ESP packets and they won't ever get
to vpnc running in userland. I just verified that.
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On 04/05/2011 03:29 PM, matthew sporleder wrote:
I'm trying to use vpnc and getting the following error:
socket(PF_INET, SOCK_RAW, IPPROTO_ESP): Protocol not supported
I wrote the following test program and get the same thing:
int main(int argc, char *argv)
sock = socket(PF_INET, SOCK_RAW, IPPROTO_ESP);
if ( sock< 0 )
Is this because my kernel has IPSEC commented out?
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