OpenVPN tunnel goes down every hour
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Win 7 -> VPNClient: Asus 4G AC-55-U (4G) -> VPNServer: pfSense 2.3 (ADSL) -> Webserver
The connection works as such, I can reach whatever I want through the tunnel (except for Samba browser but that is beside the point).
I have wondered why I am losing some connectivity every now and then from my Win 7 to my webserver. Wierd, yes. Usually I am losing ping, while I can http to the same resource (webserver) - or then I can reach it using an IP but not using the name (same webserver).
The only thing I can think of, is that my windows 7 is confused by "routes going up and down" due to the fact that the OpenVPN tunnel goes up and down.
My DNS-server is on the same server as the Webserver, and I am using DNS-services over the VPN-connection.
Here's the Asus logs, this same pattern occurs hourly:
Nov 20 13:49:39 start_nat_rules: apply the nat_rules(/tmp/nat_rules_usb0_usb0)! Nov 20 13:49:39 wan: finish adding multi routes Nov 20 13:49:41 rc_service: udhcpc 22112:notify_rc stop_upnp Nov 20 13:49:41 miniupnpd[9393]: shutting down MiniUPnPd Nov 20 13:49:42 rc_service: udhcpc 22112:notify_rc start_upnp Nov 20 13:49:42 miniupnpd[22518]: version 1.9 started Nov 20 13:49:42 miniupnpd[22518]: HTTP listening on port 54643 Nov 20 13:49:42 miniupnpd[22518]: Listening for NAT-PMP/PCP traffic on port 5351 Nov 20 13:49:43 rc_service: udhcpc 22112:notify_rc stop_vpnclient5 Nov 20 13:49:43 rc_service: udhcpc 22112:notify_rc start_vpnclient5 Nov 20 13:49:43 rc_service: waitting "stop_vpnclient5" via udhcpc ... Nov 20 13:49:43 ntp: start NTP update Nov 20 13:49:43 openvpn[9634]: event_wait : Interrupted system call (code=4) Nov 20 13:49:43 openvpn[9634]: TCP/UDP: Closing socket Nov 20 13:49:43 openvpn[9634]: /sbin/route del -net 194.100.53.58 netmask 255.255.255.255 Nov 20 13:49:43 openvpn[9634]: /sbin/route del -net 10.99.0.0 netmask 255.255.0.0 Nov 20 13:49:43 openvpn[9634]: /sbin/route del -net 10.10.1.0 netmask 255.255.255.0 Nov 20 13:49:43 openvpn[9634]: /sbin/route del -net 192.168.1.0 netmask 255.255.255.0 Nov 20 13:49:43 openvpn[9634]: Closing TUN/TAP interface Nov 20 13:49:43 openvpn[9634]: /sbin/ifconfig tun15 0.0.0.0 Nov 20 13:49:43 openvpn[9634]: SIGTERM[hard,] received, process exiting Nov 20 13:49:44 dhcp client: bound 100.82.12.138 via 100.82.12.138 during 7200 seconds. Nov 20 13:49:44 openvpn[22572]: Current Parameter Settings: Nov 20 13:49:44 openvpn[22572]: config = 'config.ovpn' Nov 20 13:49:44 openvpn[22572]: mode = 0 Nov 20 13:49:44 openvpn[22572]: persist_config = DISABLED Nov 20 13:49:44 openvpn[22572]: persist_mode = 1 Nov 20 13:49:44 openvpn[22572]: show_ciphers = DISABLED Nov 20 13:49:44 openvpn[22572]: show_digests = DISABLED Nov 20 13:49:44 openvpn[22572]: show_engines = DISABLED Nov 20 13:49:44 openvpn[22572]: genkey = DISABLED Nov 20 13:49:44 openvpn[22572]: key_pass_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: show_tls_ciphers = DISABLED Nov 20 13:49:44 openvpn[22572]: Connection profiles [default]: Nov 20 13:49:44 openvpn[22572]: proto = udp Nov 20 13:49:44 openvpn[22572]: local = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: local_port = 0 Nov 20 13:49:44 openvpn[22572]: remote = '217.30.178.237' Nov 20 13:49:44 openvpn[22572]: remote_port = 1196 Nov 20 13:49:44 openvpn[22572]: remote_float = DISABLED Nov 20 13:49:44 openvpn[22572]: bind_defined = DISABLED Nov 20 13:49:44 openvpn[22572]: bind_local = DISABLED Nov 20 13:49:44 openvpn[22572]: connect_retry_seconds = 5 Nov 20 13:49:44 openvpn[22572]: connect_timeout = 10 Nov 20 13:49:44 openvpn[22572]: connect_retry_max = 0 Nov 20 13:49:44 openvpn[22572]: tun_mtu = 1500 Nov 20 13:49:44 openvpn[22572]: tun_mtu_defined = ENABLED Nov 20 13:49:44 openvpn[22572]: link_mtu = 1500 Nov 20 13:49:44 openvpn[22572]: link_mtu_defined = DISABLED Nov 20 13:49:44 openvpn[22572]: tun_mtu_extra = 0 Nov 20 13:49:44 openvpn[22572]: tun_mtu_extra_defined = DISABLED Nov 20 13:49:44 openvpn[22572]: mtu_discover_type = -1 Nov 20 13:49:44 openvpn[22572]: fragment = 0 Nov 20 13:49:44 openvpn[22572]: mssfix = 1450 Nov 20 13:49:44 openvpn[22572]: explicit_exit_notification = 0 Nov 20 13:49:44 openvpn[22572]: Connection profiles END Nov 20 13:49:44 openvpn[22572]: remote_random = DISABLED Nov 20 13:49:44 openvpn[22572]: ipchange = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: dev = 'tun15' Nov 20 13:49:44 openvpn[22572]: dev_type = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: dev_node = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: lladdr = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: topology = 1 Nov 20 13:49:44 openvpn[22572]: tun_ipv6 = DISABLED Nov 20 13:49:44 openvpn[22572]: ifconfig_local = '10.100.101.2' Nov 20 13:49:44 openvpn[22572]: ifconfig_remote_netmask = '10.100.101.1' Nov 20 13:49:44 openvpn[22572]: ifconfig_noexec = DISABLED Nov 20 13:49:44 openvpn[22572]: ifconfig_nowarn = DISABLED Nov 20 13:49:44 openvpn[22572]: ifconfig_ipv6_local = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: ifconfig_ipv6_netbits = 0 Nov 20 13:49:44 openvpn[22572]: ifconfig_ipv6_remote = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: shaper = 0 Nov 20 13:49:44 openvpn[22572]: mtu_test = 0 Nov 20 13:49:44 openvpn[22572]: mlock = DISABLED Nov 20 13:49:44 openvpn[22572]: keepalive_ping = 10 Nov 20 13:49:44 openvpn[22572]: keepalive_timeout = 60 Nov 20 13:49:44 openvpn[22572]: inactivity_timeout = 0 Nov 20 13:49:44 openvpn[22572]: ping_send_timeout = 10 Nov 20 13:49:44 openvpn[22572]: ping_rec_timeout = 60 Nov 20 13:49:44 openvpn[22572]: ping_rec_timeout_action = 2 Nov 20 13:49:44 openvpn[22572]: ping_timer_remote = ENABLED Nov 20 13:49:44 openvpn[22572]: remap_sigusr1 = 0 Nov 20 13:49:44 openvpn[22572]: persist_tun = ENABLED Nov 20 13:49:44 openvpn[22572]: persist_local_ip = DISABLED Nov 20 13:49:44 openvpn[22572]: persist_remote_ip = DISABLED Nov 20 13:49:44 openvpn[22572]: persist_key = ENABLED Nov 20 13:49:44 openvpn[22572]: passtos = DISABLED Nov 20 13:49:44 openvpn[22572]: resolve_retry_seconds = 1000000000 Nov 20 13:49:44 openvpn[22572]: username = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: groupname = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: chroot_dir = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: cd_dir = '/etc/openvpn/client5' Nov 20 13:49:44 openvpn[22572]: writepid = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: up_script = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: down_script = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: down_pre = DISABLED Nov 20 13:49:44 openvpn[22572]: up_restart = DISABLED Nov 20 13:49:44 openvpn[22572]: up_delay = DISABLED Nov 20 13:49:44 openvpn[22572]: daemon = ENABLED Nov 20 13:49:44 openvpn[22572]: inetd = 0 Nov 20 13:49:44 openvpn[22572]: log = DISABLED Nov 20 13:49:44 openvpn[22572]: suppress_timestamps = DISABLED Nov 20 13:49:44 openvpn[22572]: nice = 0 Nov 20 13:49:44 openvpn[22572]: verbosity = 5 Nov 20 13:49:44 openvpn[22572]: mute = 0 Nov 20 13:49:44 openvpn[22572]: status_file = 'status' Nov 20 13:49:44 openvpn[22572]: status_file_version = 2 Nov 20 13:49:44 openvpn[22572]: status_file_update_freq = 60 Nov 20 13:49:44 openvpn[22572]: occ = ENABLED Nov 20 13:49:44 openvpn[22572]: rcvbuf = 65536 Nov 20 13:49:44 openvpn[22572]: sndbuf = 65536 Nov 20 13:49:44 openvpn[22572]: mark = 0 Nov 20 13:49:44 openvpn[22572]: sockflags = 0 Nov 20 13:49:44 openvpn[22572]: fast_io = DISABLED Nov 20 13:49:44 openvpn[22572]: lzo = 7 Nov 20 13:49:44 openvpn[22572]: route_script = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: route_default_gateway = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: route_default_metric = 0 Nov 20 13:49:44 openvpn[22572]: route_noexec = DISABLED Nov 20 13:49:44 openvpn[22572]: route_delay = 0 Nov 20 13:49:44 openvpn[22572]: route_delay_window = 30 Nov 20 13:49:44 openvpn[22572]: route_delay_defined = DISABLED Nov 20 13:49:44 openvpn[22572]: route_nopull = DISABLED Nov 20 13:49:44 openvpn[22572]: route_gateway_via_dhcp = DISABLED Nov 20 13:49:44 openvpn[22572]: max_routes = 100 Nov 20 13:49:44 openvpn[22572]: allow_pull_fqdn = DISABLED Nov 20 13:49:44 openvpn[22572]: route 192.168.1.0/255.255.255.0/nil/nil Nov 20 13:49:44 openvpn[22572]: route 10.10.1.0/255.255.255.0/nil/nil Nov 20 13:49:44 openvpn[22572]: route 10.99.0.0/255.255.0.0/nil/nil Nov 20 13:49:44 openvpn[22572]: route 194.100.53.58/255.255.255.255/nil/nil Nov 20 13:49:44 openvpn[22572]: management_addr = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: management_port = 0 Nov 20 13:49:44 openvpn[22572]: management_user_pass = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: management_log_history_cache = 250 Nov 20 13:49:44 openvpn[22572]: management_echo_buffer_size = 100 Nov 20 13:49:44 openvpn[22572]: management_write_peer_info_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: management_client_user = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: management_client_group = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: management_flags = 0 Nov 20 13:49:44 openvpn[22572]: shared_secret_file = 'static.key' Nov 20 13:49:44 openvpn[22572]: key_direction = 0 Nov 20 13:49:44 openvpn[22572]: ciphername_defined = ENABLED Nov 20 13:49:44 openvpn[22572]: ciphername = 'AES-128-CBC' Nov 20 13:49:44 openvpn[22572]: authname_defined = ENABLED Nov 20 13:49:44 openvpn[22572]: authname = 'SHA256' Nov 20 13:49:44 openvpn[22572]: prng_hash = 'SHA1' Nov 20 13:49:44 openvpn[22572]: prng_nonce_secret_len = 16 Nov 20 13:49:44 openvpn[22572]: keysize = 0 Nov 20 13:49:44 openvpn[22572]: engine = DISABLED Nov 20 13:49:44 openvpn[22572]: replay = ENABLED Nov 20 13:49:44 openvpn[22572]: mute_replay_warnings = DISABLED Nov 20 13:49:44 openvpn[22572]: replay_window = 64 Nov 20 13:49:44 openvpn[22572]: replay_time = 15 Nov 20 13:49:44 openvpn[22572]: packet_id_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: use_iv = ENABLED Nov 20 13:49:44 openvpn[22572]: test_crypto = DISABLED Nov 20 13:49:44 openvpn[22572]: tls_server = DISABLED Nov 20 13:49:44 openvpn[22572]: tls_client = DISABLED Nov 20 13:49:44 openvpn[22572]: key_method = 2 Nov 20 13:49:44 openvpn[22572]: ca_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: ca_path = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: dh_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: cert_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: priv_key_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: pkcs12_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: cipher_list = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: tls_verify = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: tls_export_cert = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: verify_x509_type = 0 Nov 20 13:49:44 openvpn[22572]: verify_x509_name = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: crl_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: ns_cert_type = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: remote_cert_ku[i] = 0 Nov 20 13:49:44 openvpn[22572]: ifconfig_pool_netmask = 0.0.0.0 Nov 20 13:49:44 openvpn[22572]: ifconfig_pool_persist_filename = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: ifconfig_pool_persist_refresh_freq = 600 Nov 20 13:49:44 openvpn[22572]: ifconfig_ipv6_pool_defined = DISABLED Nov 20 13:49:44 openvpn[22572]: ifconfig_ipv6_pool_base = :: Nov 20 13:49:44 openvpn[22572]: ifconfig_ipv6_pool_netbits = 0 Nov 20 13:49:44 openvpn[22572]: n_bcast_buf = 256 Nov 20 13:49:44 openvpn[22572]: tcp_queue_limit = 64 Nov 20 13:49:44 openvpn[22572]: real_hash_size = 256 Nov 20 13:49:44 openvpn[22572]: virtual_hash_size = 256 Nov 20 13:49:44 openvpn[22572]: client_connect_script = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: learn_address_script = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: client_disconnect_script = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: client_config_dir = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: ccd_exclusive = DISABLED Nov 20 13:49:44 openvpn[22572]: tmp_dir = '/tmp' Nov 20 13:49:44 openvpn[22572]: push_ifconfig_defined = DISABLED Nov 20 13:49:44 openvpn[22572]: push_ifconfig_local = 0.0.0.0 Nov 20 13:49:44 openvpn[22572]: push_ifconfig_remote_netmask = 0.0.0.0 Nov 20 13:49:44 openvpn[22572]: push_ifconfig_ipv6_defined = DISABLED Nov 20 13:49:44 openvpn[22572]: push_ifconfig_ipv6_local = ::/0 Nov 20 13:49:44 openvpn[22572]: push_ifconfig_ipv6_remote = :: Nov 20 13:49:44 openvpn[22572]: enable_c2c = DISABLED Nov 20 13:49:44 openvpn[22572]: duplicate_cn = DISABLED Nov 20 13:49:44 openvpn[22572]: cf_max = 0 Nov 20 13:49:44 openvpn[22572]: cf_per = 0 Nov 20 13:49:44 openvpn[22572]: max_clients = 1024 Nov 20 13:49:44 openvpn[22572]: max_routes_per_client = 256 Nov 20 13:49:44 openvpn[22572]: auth_user_pass_verify_script = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: auth_user_pass_verify_script_via_file = DISABLED Nov 20 13:49:44 openvpn[22572]: port_share_host = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: port_share_port = 0 Nov 20 13:49:44 openvpn[22572]: client = DISABLED Nov 20 13:49:44 openvpn[22572]: pull = DISABLED Nov 20 13:49:44 openvpn[22572]: auth_user_pass_file = '[UNDEF]' Nov 20 13:49:44 openvpn[22572]: OpenVPN 2.3.2 mips-unknown-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [eurephia] [MH] [IPv6] built on Apr 18 2016 Nov 20 13:49:44 openvpn[22572]: Static Encrypt: Cipher 'AES-128-CBC' initialized with 128 bit key Nov 20 13:49:44 openvpn[22572]: Static Encrypt: Using 256 bit message hash 'SHA256' for HMAC authentication Nov 20 13:49:44 openvpn[22572]: Static Decrypt: Cipher 'AES-128-CBC' initialized with 128 bit key Nov 20 13:49:44 openvpn[22572]: Static Decrypt: Using 256 bit message hash 'SHA256' for HMAC authentication Nov 20 13:49:44 openvpn[22572]: LZO compression initialized Nov 20 13:49:44 openvpn[22572]: Socket Buffers: R=[163840->131072] S=[163840->131072] Nov 20 13:49:44 openvpn[22572]: TUN/TAP device tun15 opened Nov 20 13:49:44 openvpn[22572]: TUN/TAP TX queue length set to 100 Nov 20 13:49:44 openvpn[22572]: do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0 Nov 20 13:49:44 openvpn[22572]: /sbin/ifconfig tun15 10.100.101.2 pointopoint 10.100.101.1 mtu 1500 Nov 20 13:49:44 openvpn[22572]: /sbin/route add -net 192.168.1.0 netmask 255.255.255.0 gw 10.100.101.1 Nov 20 13:49:44 openvpn[22572]: /sbin/route add -net 10.10.1.0 netmask 255.255.255.0 gw 10.100.101.1 Nov 20 13:49:44 openvpn[22572]: /sbin/route add -net 10.99.0.0 netmask 255.255.0.0 gw 10.100.101.1 Nov 20 13:49:44 openvpn[22572]: /sbin/route add -net 194.100.53.58 netmask 255.255.255.255 gw 10.100.101.1 Nov 20 13:49:44 openvpn[22572]: Data Channel MTU parms [ L:1573 D:1450 EF:73 EB:135 ET:0 EL:0 AF:3/1 ] Nov 20 13:49:44 openvpn[22572]: Local Options String: 'V4,dev-type tun,link-mtu 1573,tun-mtu 1500,proto UDPv4,ifconfig 10.100.101.1 10.100.101.2,comp-lzo,cipher AES-128-CBC,auth SHA256,keysize 128,secret' Nov 20 13:49:44 openvpn[22572]: Expected Remote Options String: 'V4,dev-type tun,link-mtu 1573,tun-mtu 1500,proto UDPv4,ifconfig 10.100.101.2 10.100.101.1,comp-lzo,cipher AES-128-CBC,auth SHA256,keysize 128,secret' Nov 20 13:49:44 openvpn[22572]: Local Options hash (VER=V4): 'f3d7fc1b' Nov 20 13:49:44 openvpn[22572]: Expected Remote Options hash (VER=V4): 'ea1dc833' Nov 20 13:49:44 openvpn[22597]: UDPv4 link local: [undef] Nov 20 13:49:44 openvpn[22597]: UDPv4 link remote: [AF_INET]217.30.178.237:1196 Nov 20 13:49:53 openvpn[22597]: Peer Connection Initiated with [AF_INET]217.30.178.237:1196 Nov 20 13:49:54 openvpn[22597]: Initialization Sequence Completed Nov 20 13:52:30 kernel: [wifi1] FWLOG: [9641532] WHAL_ERROR_RESET_CHANNF1 ( ) Nov 20 13:52:30 kernel: [wifi1] FWLOG: [9641532] WHAL_ERROR_RESET_ERRID ( 0x1 ) Any commens or ideas what is going on? Perhaps this "hourly" behavior is normal, and my problems are completely irrelevant of this hourly occurence? [/i][/i][/i][/i][/i][/i][/i][/i][/i][/i][/i][/i]