/etc/openvpn/server# tail /var/log/openvpn/openvpn.log
UDPv4 link local (bound): [AF_INET][undef]:1194
UDPv4 link remote: [AF_UNSPEC]
GID set to nogroup
UID set to nobody
MULTI: multi_init called, r=256 v=256
IFCONFIG POOL: base=10.8.0.4 size=62, ipv6=0
Initialization Sequence Completed
TLS Error: cannot locate HMAC in incoming packet from [AF_INET]192.168.1.1:52308
TLS Error: cannot locate HMAC in incoming packet from [AF_INET]192.168.1.1:52308
TLS Error: cannot locate HMAC in incoming packet from [AF_INET]192.168.1.1:52308
root@debianeee:/etc/openvpn/server# systemctl status openvpn-server@server
● openvpn-server@server.service - OpenVPN service for server
Loaded: loaded (/lib/systemd/system/openvpn-server@.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2022-01-19 23:30:48 CET; 41s ago
Docs: man:openvpn(8)
https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage
https://community.openvpn.net/openvpn/wiki/HOWTO
Main PID: 22388 (openvpn)
Status: "Initialization Sequence Completed"
Tasks: 1 (limit: 2304)
Memory: 872.0K
CGroup: /system.slice/system-openvpn\x2dserver.slice/openvpn-server@server.service
└─22388 /usr/sbin/openvpn --status /run/openvpn-server/status-server.log --status-version 2 --suppress-timestamps --config server.conf
jan 19 23:30:48 debianeee systemd[1]: Starting OpenVPN service for server...
jan 19 23:30:48 debianeee systemd[1]: Started OpenVPN service for server.
ss -ulpn
State Recv-Q Send-Q Local Address:Port Peer Address:Port
UNCONN 0 0 0.0.0.0:68 0.0.0.0:* users:(("dhclient",pid=792,fd=7))
UNCONN 0 0 0.0.0.0:82 0.0.0.0:* users:(("supernode",pid=417,fd=3))
UNCONN 0 0 10.8.0.1:123 0.0.0.0:* users:(("ntpd",pid=422,fd=24))
UNCONN 0 0 192.168.1.4:123 0.0.0.0:* users:(("ntpd",pid=422,fd=27))
UNCONN 0 0 10.0.0.1:123 0.0.0.0:* users:(("ntpd",pid=422,fd=23))
UNCONN 0 0 127.0.0.1:123 0.0.0.0:* users:(("ntpd",pid=422,fd=18))
UNCONN 0 0 0.0.0.0:123 0.0.0.0:* users:(("ntpd",pid=422,fd=17))
UNCONN 0 0 192.168.1.255:137 0.0.0.0:* users:(("nmbd",pid=423,fd=22))
UNCONN 0 0 192.168.1.4:137 0.0.0.0:* users:(("nmbd",pid=423,fd=21))
UNCONN 0 0 10.0.0.255:137 0.0.0.0:* users:(("nmbd",pid=423,fd=17))
UNCONN 0 0 10.0.0.1:137 0.0.0.0:* users:(("nmbd",pid=423,fd=16))
UNCONN 0 0 0.0.0.0:137 0.0.0.0:* users:(("nmbd",pid=423,fd=14))
UNCONN 0 0 192.168.1.255:138 0.0.0.0:* users:(("nmbd",pid=423,fd=24))
UNCONN 0 0 192.168.1.4:138 0.0.0.0:* users:(("nmbd",pid=423,fd=23))
UNCONN 0 0 10.0.0.255:138 0.0.0.0:* users:(("nmbd",pid=423,fd=19))
UNCONN 0 0 10.0.0.1:138 0.0.0.0:* users:(("nmbd",pid=423,fd=18))
UNCONN 0 0 0.0.0.0:138 0.0.0.0:* users:(("nmbd",pid=423,fd=15))
UNCONN 0 0 0.0.0.0:1194 0.0.0.0:* users:(("openvpn",pid=32551,fd=5))
UNCONN 0 0 0.0.0.0:48839 0.0.0.0:* users:(("avahi-daemon",pid=343,fd=14))
UNCONN 0 0 0.0.0.0:5353 0.0.0.0:* users:(("avahi-daemon",pid=343,fd=12))
UNCONN 0 0 0.0.0.0:46984 0.0.0.0:* users:(("edge",pid=418,fd=4))
UNCONN 0 0 [fe80::5680:7f9c:b1b2:e0db]%tun0:123 [::]:* users:(("ntpd",pid=422,fd=26))
UNCONN 0 0 [fe80::beae:c5ff:fe0c:2e85]%enp1s0:123 [::]:* users:(("ntpd",pid=422,fd=28))
UNCONN 0 0 [fe80::e432:cbff:fee7:c76a]%edge0:123 [::]:* users:(("ntpd",pid=422,fd=25))
UNCONN 0 0 [::1]:123 [::]:* users:(("ntpd",pid=422,fd=19))
UNCONN 0 0 [::]:123 [::]:* users:(("ntpd",pid=422,fd=16))
UNCONN 0 0 [::]:5353 [::]:* users:(("avahi-daemon",pid=343,fd=13))
UNCONN 0 0 [::]:57654 [::]:* users:(("avahi-daemon",pid=343,fd=15))
Citace od: Bum kdy 19. 01. 2022, 23:19:27
TCP/UDP: Socket bind failed on local address [AF_INET][undef]:1194: Address already in use (errno=98)
Exiting due to fatal error
# ss -ulpn
port 1194
proto udp
dev tun
ca ca.crt
cert server.crt
key server.key # This file should be kept secret
dh dh.pem
;push "route 10.0.0.0 255.255.255.0"
server 10.8.0.0 255.255.255.0
client-config-dir /etc/openvpn/ccd
keepalive 10 120
tls-auth ta.key 0 # This file is secret
auth SHA256
;cipher AES-256-CBC
cipher AES-256-GCM
auth SHA256
user nobody
group nogroup
persist-key
persist-tun
status /var/log/openvpn/openvpn-status.log
log /var/log/openvpn/openvpn.log
log-append /var/log/openvpn/openvpn.log
verb 3
explicit-exit-notify 1
systemctl status openvpn-server@server
● openvpn-server@server.service - OpenVPN service for server
Loaded: loaded (/lib/systemd/system/openvpn-server@.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Wed 2022-01-19 23:15:38 CET; 4s ago
Docs: man:openvpn(8)
https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage
https://community.openvpn.net/openvpn/wiki/HOWTO
Process: 19703 ExecStart=/usr/sbin/openvpn --status /run/openvpn-server/status-server.log --status-version 2 --suppress-timestamps --config server.conf (code=exited, status=1/FAILURE)
Main PID: 19703 (code=exited, status=1/FAILURE)
Status: "Pre-connection initialization successful"
tail /var/log/openvpn/openvpn.log
/sbin/ip addr add dev tun1 local 10.8.0.1 peer 10.8.0.2
/sbin/ip route add 10.8.0.0/24 via 10.8.0.2
RTNETLINK answers: File exists
ERROR: Linux route add command failed: external program exited with error status: 2
Could not determine IPv4/IPv6 protocol. Using AF_INET
Socket Buffers: R=[163840->163840] S=[163840->163840]
TCP/UDP: Socket bind failed on local address [AF_INET][undef]:1194: Address already in use (errno=98)
Exiting due to fatal error
Closing TUN/TAP interface
/sbin/ip addr del dev tun1 local 10.8.0.1 peer 10.8.0.2