Bug #15851
closedopenvpn DCO mode Failed to open tun/tap interface
0%
Description
openvpn can't create interface when I use DCO mode. p2p tunnel,For privacy reasons, the IP has been changed
Nov 19 11:40:30 openvpn 33936 SIGUSR1[soft,process-push-msg-failed] received, process restarting
Nov 19 11:40:30 openvpn 33936 Failed to open tun/tap interface
Nov 19 11:40:30 openvpn 33936 ERROR: Failed to apply push options
Nov 19 11:40:30 openvpn 33936 OPTIONS ERROR: pushed options are incompatible with data channel offload. Use --disable-dco to connect to this server
Nov 19 11:40:30 openvpn 33936 OPTIONS IMPORT: Server did not request DATA_V2 packet format required for data channel offload
Nov 19 11:40:28 openvpn 33936 [tv189.com] Peer Connection Initiated with [AF_INET6]2a04:e8c0:18:71a::1:51758
Nov 19 11:40:28 openvpn 33936 Control Channel: TLSv1.3, cipher TLSv1.3 TLS_AES_256_GCM_SHA384, peer certificate: 256 bits ED25519, signature: ED25519, peer temporary key: 253 bits X25519
Nov 19 11:40:28 openvpn 33936 peer info: IV_PROTO=746
Nov 19 11:40:28 openvpn 33936 peer info: IV_CIPHERS=AES-256-GCM:AES-128-GCM
Nov 19 11:40:28 openvpn 33936 VERIFY OK: depth=0, CN=tv1.com
Nov 19 11:40:28 openvpn 33936 VERIFY EKU OK
Nov 19 11:40:28 openvpn 33936 ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication
Nov 19 11:40:28 openvpn 33936 Validating certificate extended key usage
Nov 19 11:40:28 openvpn 33936 VERIFY KU OK
Nov 19 11:40:28 openvpn 33936 VERIFY OK: depth=1, CN=Liuxyon
Nov 19 11:40:28 openvpn 33936 UDPv6 link remote: [AF_INET6]2a04:e0c0:18:71a::1:51958
Nov 19 11:40:28 openvpn 33936 UDPv6 link local (bound): [AF_INET6]2409:8290:404:c46a::
Nov 19 11:40:28 openvpn 33936 setsockopt(IPV6_V6ONLY=0)
Nov 19 11:40:28 openvpn 33936 TCP/UDP: Preserving recently used remote address: [AF_INET6]2a04:e8c0:18:71a::1:51758
Nov 19 11:40:28 openvpn 33936 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
dev ovpnc8
verb 2
dev-type tun
dev-node /dev/tun8
writepid /var/run/openvpn_client8.pid
#user nobody
#group nobody
script-security 3
daemon
keepalive 10 60
ping-timer-rem
persist-tun
persist-key
proto udp6
auth SHA3-256
up /usr/local/sbin/ovpn-linkup
down /usr/local/sbin/ovpn-linkdown
local 2409:8290:404:c46a:::4394
tls-client
lport 0
management /var/etc/openvpn/client8/sock unix
remote 2a04:e0c0:18:71a::1 51958 udp6
pull
remote-cert-tls server
capath /var/etc/openvpn/client8/ca
cert /var/etc/openvpn/client8/cert
key /var/etc/openvpn/client8/key
data-ciphers AES-256-GCM:AES-128-GCM
data-ciphers-fallback AES-256-GCM
allow-compression no
resolv-retry infinite
tls-crypt-v2 /root/v2crypt-client-1.key
ifconfig 10.11.3.2 10.11.3.1
ifconfig-ipv6 2a0d:2408:513:a::3/124 2a0d:2408:513:a::2
topology p2p
route-nopull