Eu tento usar o L2TP para conectar ao servidor local, mas depois de definir os requisitos, não consigo me conectar à VPN. Eu uso
sudo tail -f /var/log/syslog
para obter o log do sistema
May 13 12:13:09 Dani NetworkManager[888]: <info> [1526197389.4004] audit: op="connection-activate" uuid="4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" name="UTVPN" pid=1600 uid=1000 result="success"
May 13 12:13:09 Dani gnome-shell[1242]: JS ERROR: TypeError: item is undefined#012setActiveConnections/<@resource:///org/gnome/shell/ui/status/network.js:1518:17#012setActiveConnections@resource:///org/gnome/shell/ui/status/network.js:1515:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012_syncVpnConnections@resource:///org/gnome/shell/ui/status/network.js:1853:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
May 13 12:13:09 Dani NetworkManager[888]: <info> [1526197389.4088] vpn-connection[0x55940fdd04f0,4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34,"UTVPN",0]: Started the VPN service, PID 6932
May 13 12:13:09 Dani NetworkManager[888]: <info> [1526197389.4148] vpn-connection[0x55940fdd04f0,4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34,"UTVPN",0]: Saw the service appear; activating connection
May 13 12:13:09 Dani NetworkManager[888]: <info> [1526197389.4196] vpn-connection[0x55940fdd04f0,4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34,"UTVPN",0]: VPN connection: (ConnectInteractive) reply received
May 13 12:13:09 Dani nm-l2tp-service[6932]: Check port 1701
May 13 12:13:09 Dani nm-l2tp-service[6932]: Can't bind to port 1701
May 13 12:13:09 Dani NetworkManager[888]: Redirecting to: systemctl stop ipsec.service
May 13 12:13:09 Dani systemd[1]: Stopping Internet Key Exchange (IKE) Protocol Daemon for IPsec...
May 13 12:13:09 Dani whack[6947]: 002 shutting down
May 13 12:13:09 Dani ipsec[6950]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[6952]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani systemd[1]: Stopped Internet Key Exchange (IKE) Protocol Daemon for IPsec.
May 13 12:13:09 Dani NetworkManager[888]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[6958]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani NetworkManager[888]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[6963]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani NetworkManager[888]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[6976]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani NetworkManager[888]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[6981]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani NetworkManager[888]: Redirecting to: systemctl start ipsec.service
May 13 12:13:09 Dani systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
May 13 12:13:09 Dani addconn[7255]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[7255]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani _stackmanager[7256]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[7258]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani _stackmanager[7256]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:09 Dani libipsecconf[7263]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:10 Dani ipsec[7536]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:10 Dani libipsecconf[7538]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:10 Dani ipsec[7536]: nflog ipsec capture disabled
May 13 12:13:10 Dani systemd[1]: Started Internet Key Exchange (IKE) Protocol Daemon for IPsec.
May 13 12:13:10 Dani NetworkManager[888]: 002 listening for IKE messages
May 13 12:13:10 Dani NetworkManager[888]: 002 adding interface enp3s0f1/enp3s0f1 172.16.146.240:500
May 13 12:13:10 Dani NetworkManager[888]: 002 adding interface enp3s0f1/enp3s0f1 172.16.146.240:4500
May 13 12:13:10 Dani NetworkManager[888]: 002 adding interface lo/lo 127.0.0.1:500
May 13 12:13:10 Dani NetworkManager[888]: 002 adding interface lo/lo 127.0.0.1:4500
May 13 12:13:10 Dani NetworkManager[888]: 002 adding interface lo/lo ::1:500
May 13 12:13:10 Dani NetworkManager[888]: 002 loading secrets from "/etc/ipsec.secrets"
May 13 12:13:10 Dani NetworkManager[888]: 002 loading secrets from "/etc/ipsec.d/nm-l2tp-ipsec-49915039-ce6f-4d97-8d99-b8e60a63961b.secrets"
May 13 12:13:10 Dani NetworkManager[888]: 002 loading secrets from "/etc/ipsec.d/nm-l2tp-ipsec-4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34.secrets"
May 13 12:13:10 Dani NetworkManager[888]: 002 loading secrets from "/etc/ipsec.d/nm-l2tp-ipsec-7559de3a-ab91-4636-9086-26da2cdfe51b.secrets"
May 13 12:13:10 Dani NetworkManager[888]: debugging mode enabled
May 13 12:13:10 Dani NetworkManager[888]: end of file /var/run/nm-l2tp-ipsec-4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34.conf
May 13 12:13:10 Dani NetworkManager[888]: Loading conn 4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34
May 13 12:13:10 Dani NetworkManager[888]: starter: left is KH_DEFAULTROUTE
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" labeled_ipsec=0
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" modecfgdns=(null)
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" modecfgdomains=(null)
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" modecfgbanner=(null)
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" mark=(null)
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" mark-in=(null)
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" mark-out=(null)
May 13 12:13:10 Dani NetworkManager[888]: conn: "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" vti_iface=(null)
May 13 12:13:10 Dani NetworkManager[888]: opening file: /var/run/nm-l2tp-ipsec-4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34.conf
May 13 12:13:10 Dani NetworkManager[888]: loading named conns: 4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34
May 13 12:13:10 Dani NetworkManager[888]: seeking_src = 1, seeking_gateway = 1, has_peer = 1
May 13 12:13:10 Dani NetworkManager[888]: seeking_src = 0, seeking_gateway = 1, has_dst = 1
May 13 12:13:10 Dani NetworkManager[888]: dst via 172.16.146.225 dev enp3s0f1 src table 254
May 13 12:13:10 Dani NetworkManager[888]: set nexthop: 172.16.146.225
May 13 12:13:10 Dani NetworkManager[888]: dst 169.254.0.0 via dev enp3s0f1 src table 254
May 13 12:13:10 Dani NetworkManager[888]: dst 172.16.146.224 via dev enp3s0f1 src 172.16.146.240 table 254
May 13 12:13:10 Dani NetworkManager[888]: dst 192.168.108.7 via 172.16.146.225 dev enp3s0f1 src 172.16.146.240 table 254
May 13 12:13:10 Dani NetworkManager[888]: dst 127.0.0.0 via dev lo src 127.0.0.1 table 255 (ignored)
May 13 12:13:10 Dani NetworkManager[888]: dst 127.0.0.0 via dev lo src 127.0.0.1 table 255 (ignored)
May 13 12:13:10 Dani NetworkManager[888]: dst 127.0.0.1 via dev lo src 127.0.0.1 table 255 (ignored)
May 13 12:13:10 Dani NetworkManager[888]: dst 127.255.255.255 via dev lo src 127.0.0.1 table 255 (ignored)
May 13 12:13:10 Dani NetworkManager[888]: dst 172.16.146.224 via dev enp3s0f1 src 172.16.146.240 table 255 (ignored)
May 13 12:13:10 Dani NetworkManager[888]: dst 172.16.146.240 via dev enp3s0f1 src 172.16.146.240 table 255 (ignored)
May 13 12:13:10 Dani NetworkManager[888]: dst 172.16.146.255 via dev enp3s0f1 src 172.16.146.240 table 255 (ignored)
May 13 12:13:10 Dani NetworkManager[888]: seeking_src = 1, seeking_gateway = 0, has_peer = 1
May 13 12:13:10 Dani NetworkManager[888]: seeking_src = 1, seeking_gateway = 0, has_dst = 1
May 13 12:13:10 Dani NetworkManager[888]: dst 172.16.146.225 via dev enp3s0f1 src 172.16.146.240 table 254
May 13 12:13:10 Dani NetworkManager[888]: set addr: 172.16.146.240
May 13 12:13:10 Dani NetworkManager[888]: seeking_src = 0, seeking_gateway = 0, has_peer = 1
May 13 12:13:10 Dani NetworkManager[888]: 002 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: initiating Main Mode
May 13 12:13:10 Dani NetworkManager[888]: 104 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: initiate
May 13 12:13:11 Dani NetworkManager[888]: 010 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: retransmission; will wait 0.5 seconds for response
May 13 12:13:11 Dani libipsecconf[7569]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
May 13 12:13:11 Dani NetworkManager[888]: 010 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: retransmission; will wait 1 seconds for response
May 13 12:13:12 Dani NetworkManager[888]: 010 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: retransmission; will wait 2 seconds for response
May 13 12:13:14 Dani NetworkManager[888]: 010 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: retransmission; will wait 4 seconds for response
May 13 12:13:18 Dani NetworkManager[888]: 010 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: retransmission; will wait 8 seconds for response
May 13 12:13:20 Dani nm-l2tp-service[6932]: g_dbus_method_invocation_take_error: assertion 'error != NULL' failed
May 13 12:13:20 Dani NetworkManager[888]: <info> [1526197400.5894] vpn-connection[0x55940fdd04f0,4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34,"UTVPN",0]: VPN plugin: state changed: stopped (6)
May 13 12:13:20 Dani NetworkManager[888]: <info> [1526197400.5908] vpn-connection[0x55940fdd04f0,4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34,"UTVPN",0]: VPN service disappeared
May 13 12:13:20 Dani NetworkManager[888]: <warn> [1526197400.5914] vpn-connection[0x55940fdd04f0,4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34,"UTVPN",0]: VPN connection: failed to connect: 'Message recipient disconnected from message bus without replying'
May 13 12:13:26 Dani NetworkManager[888]: 010 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: retransmission; will wait 16 seconds for response
May 13 12:13:42 Dani NetworkManager[888]: 010 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: retransmission; will wait 32 seconds for response
May 13 12:13:58 Dani org.gnome.Shell.desktop[1600]: [2180:2198:0513/121358.124937:ERROR:ssl_client_socket_impl.cc(1098)] handshake failed; returned -1, SSL error code 1, net_error -100
May 13 12:14:13 Dani org.gnome.Shell.desktop[1600]: [2180:2198:0513/121413.388227:ERROR:ssl_client_socket_impl.cc(1098)] handshake failed; returned -1, SSL error code 1, net_error -100
May 13 12:14:14 Dani NetworkManager[888]: 031 "4f70f2ed-3d5f-4a82-a50b-a768bfcdfa34" #1: STATE_MAIN_I1: 60 second timeout exceeded after 7 retransmits. No response (or no acceptable response) to our first IKEv1 message