My client is unable to connect to the openvpn udp service. When I tail the server.log, I see these repeating messages, [code]Tue Oct 15 19:59:33 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed Tue Oct 15 19:59:34 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed Tue Oct 15 19:59:35 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed Tue Oct 15 19:59:36 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed Tue Oct 15 19:59:37 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed[/code] This problem started 1 day ago. Here is my server.conf, [code]# cat /etc/openvpn/server.conf port 30000 proto udp dev tun secret static.key ifconfig 10.8.0.1 10.8.0.2 push "redirect-gateway def1 bypass-dhcp" ping-timer-rem keepalive 10 120 comp-lzo persist-key persist-tun status openvpn-status.log verb 3 cipher BF-CBC log-append openvpn.log[/code] My client.conf, [code]# cat client1.conf tls-auth ta.key 1 comp-lzo cipher BF-CBC client dev tun proto udp remote X.X.X.X 30000 persist-key persist-tun ca ca.crt cert client1.crt key client1.key comp-lzo verb 3 ns-cert-type server[/code]

Arg, I made a mistake and posted the wrong client.conf :roll: Sorry about the confusion. I'm unable to use the "HMAC firewall" feature because I'm using the pre-shared key method (and not the TLS public/private key method) [code]# cat client_shared.conf comp-lzo cipher BF-CBC dev tun proto udp ifconfig 10.8.0.2 10.8.0.1 remote X.X.X.X 30000 secret static.key persist-key persist-tun comp-lzo verb 3 redirect-gateway def1[/code]

"packet HMAC authentication failed" messages in server.log

[deleted]

My client is unable to connect to the openvpn udp service. When I tail the server.log, I see these repeating messages,

Tue Oct 15 19:59:33 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed
Tue Oct 15 19:59:34 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed
Tue Oct 15 19:59:35 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed
Tue Oct 15 19:59:36 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed
Tue Oct 15 19:59:37 2013 Authenticate/Decrypt packet error: packet HMAC authentication failed

This problem started 1 day ago. Here is my server.conf,

# cat /etc/openvpn/server.conf 
port 30000
proto udp
dev tun
secret static.key
ifconfig 10.8.0.1 10.8.0.2
push "redirect-gateway def1 bypass-dhcp"
ping-timer-rem
keepalive 10 120
comp-lzo
persist-key
persist-tun
status openvpn-status.log
verb 3
cipher BF-CBC
log-append openvpn.log

My client.conf,

# cat client1.conf 
tls-auth ta.key 1
comp-lzo
cipher BF-CBC
client
dev tun
proto udp
remote X.X.X.X 30000
persist-key
persist-tun
ca ca.crt
cert client1.crt
key client1.key
comp-lzo
verb 3
ns-cert-type server

[deleted]

Arg, I made a mistake and posted the wrong client.conf :roll: Sorry about the confusion.

I'm unable to use the "HMAC firewall" feature because I'm using the pre-shared key method (and not the TLS public/private key method)

# cat client_shared.conf 
comp-lzo
cipher BF-CBC
dev tun
proto udp
ifconfig 10.8.0.2 10.8.0.1
remote X.X.X.X 30000
secret static.key
persist-key
persist-tun
comp-lzo
verb 3
redirect-gateway def1