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ru.linux
- RU.LINUX ---------------------------------------------------------------------
From : Andrey Ovchinnikov 2:467/70.49 13 Jan 2005 00:16:07
To : All
Subject : странности OpenVPN
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Hа одном из роутеров с недавнего времени стали происходить странные
вещи с OpenVPN. Приходишь утром на работу - туннель лежит. Hаписал
скрипт, пингующий удаленную сторону и перезапускающий туннель в случае
отсутствия связи - не помогает. Туннель не стартует, в логи при этом
пишется не совсем понятное мне: "Linux ifconfig failed: could not execute
shell command". Hо стоит перезагрузить роутер, как все моментально
начинает работать... Hо на следующий день ситуация повторяется.
Возможно, кто-нибудь уже встречался с подобным? В чем может быть
причина? Почему могут возникать проблемы с запуском ifconfig?
Дистр. Debian Woody.
Лог. Попытка перезапустить туннель скриптом:
-------------------------------------------------------------------
Jan 10 07:10:15 throuter openvpn[878]: Current Parameter Settings:
Jan 10 07:10:15 throuter openvpn[878]: persist_config = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: persist_mode = 1
Jan 10 07:10:15 throuter openvpn[878]: show_ciphers = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: show_digests = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: genkey = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: askpass = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: show_tls_ciphers = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: local = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: remote = 'remote.no-ip.com'
Jan 10 07:10:15 throuter openvpn[878]: local_port = 5098
Jan 10 07:10:15 throuter openvpn[878]: remote_port = 5002
Jan 10 07:10:15 throuter openvpn[878]: remote_float = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: ipchange = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: bind_local = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: dev = 'tun'
Jan 10 07:10:15 throuter openvpn[878]: dev_type = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: dev_node = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: tun_ipv6 = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: ifconfig_local = '192.168.33.254'
Jan 10 07:10:15 throuter openvpn[878]: ifconfig_remote = '192.168.1.254'
Jan 10 07:10:15 throuter openvpn[878]: shaper = 0
Jan 10 07:10:15 throuter openvpn[878]: tun_mtu = 1300
Jan 10 07:10:15 throuter openvpn[878]: tun_mtu_defined = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: udp_mtu = 1200
Jan 10 07:10:15 throuter openvpn[878]: udp_mtu_defined = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: mlock = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: inactivity_timeout = 0
Jan 10 07:10:15 throuter openvpn[878]: ping_send_timeout = 15
Jan 10 07:10:15 throuter openvpn[878]: ping_rec_timeout = 0
Jan 10 07:10:15 throuter openvpn[878]: ping_rec_timeout_action = 0
Jan 10 07:10:15 throuter openvpn[878]: ping_timer_remote = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: persist_tun = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: persist_local_ip = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: persist_remote_ip = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: persist_key = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: resolve_retry_seconds = 60
Jan 10 07:10:15 throuter openvpn[878]: username = 'nobody'
Jan 10 07:10:15 throuter openvpn[878]: groupname = 'nogroup'
Jan 10 07:10:15 throuter openvpn[878]: chroot_dir = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: cd_dir = '/etc/openvpn'
Jan 10 07:10:15 throuter openvpn[878]: writepid =
'/var/run/openvpn.th-slave.pid'
Jan 10 07:10:15 throuter openvpn[878]: up_script = './th-slave.up'
Jan 10 07:10:15 throuter openvpn[878]: down_script = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: daemon = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: inetd = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: nice = 0
Jan 10 07:10:15 throuter openvpn[878]: verbosity = 5
Jan 10 07:10:15 throuter openvpn[878]: mute = 0
Jan 10 07:10:15 throuter openvpn[878]: gremlin = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: shared_secret_file = 'th-slave.key'
Jan 10 07:10:15 throuter openvpn[878]: ciphername_defined = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: ciphername = 'BF-CBC'
Jan 10 07:10:15 throuter openvpn[878]: authname_defined = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: authname = 'SHA1'
Jan 10 07:10:15 throuter openvpn[878]: keysize = 0
Jan 10 07:10:15 throuter openvpn[878]: packet_id = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: iv = ENABLED
Jan 10 07:10:15 throuter openvpn[878]: test_crypto = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: tls_server = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: tls_client = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: ca_file = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: dh_file = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: cert_file = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: priv_key_file = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: cipher_list = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: tls_verify = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: tls_timeout = 5
Jan 10 07:10:15 throuter openvpn[878]: renegotiate_bytes = 0
Jan 10 07:10:15 throuter openvpn[878]: renegotiate_packets = 0
Jan 10 07:10:15 throuter openvpn[878]: renegotiate_seconds = 3600
Jan 10 07:10:15 throuter openvpn[878]: handshake_window = 60
Jan 10 07:10:15 throuter openvpn[878]: transition_window = 3600
Jan 10 07:10:15 throuter openvpn[878]: single_session = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: disable_occ = DISABLED
Jan 10 07:10:15 throuter openvpn[878]: tls_auth_file = '[UNDEF]'
Jan 10 07:10:15 throuter openvpn[878]: OpenVPN 1.3.2 i386-pc-linux-gnu built on
Feb 6 2003
Jan 10 07:10:15 throuter openvpn[878]: PTHREAD support initialized
Jan 10 07:10:15 throuter openvpn[878]: UDP link local (bound): [undef]:5098
Jan 10 07:10:15 throuter openvpn[878]: UDP link remote: 217.226.47.75:5002
Jan 10 07:10:15 throuter openvpn[878]: Static Encrypt: Cipher 'BF-CBC'
initialized with 128 bit key
Jan 10 07:10:15 throuter openvpn[878]: Static Encrypt: Using 160 bit message
digest 'SHA1' for HMAC authentication
Jan 10 07:10:15 throuter openvpn[878]: Static Decrypt: Cipher 'BF-CBC'
initialized with 128 bit key
Jan 10 07:10:15 throuter openvpn[878]: Static Decrypt: Using 160 bit message
digest 'SHA1' for HMAC authentication
Jan 10 07:10:15 throuter openvpn[878]: Data Channel MTU parms: mtu=1156
extra_frame=44 extra_buffer=44 extra_tun=0
Jan 10 07:10:15 throuter openvpn[878]: tun/tap device tun0 opened
Jan 10 07:10:15 throuter openvpn[878]: ifconfig tun0 192.168.33.254 pointopoint
192.168.1.254 mtu 1156
Jan 10 07:10:15 throuter openvpn[878]: Linux ifconfig failed: could not execute
shell command
Jan 10 07:10:15 throuter openvpn[878]: Exiting
А вот так он стартует после перезагрузки системы (окончание лога):
----------------------------------------------------------------------
Jan 10 07:56:03 throuter openvpn[211]: ifconfig tun0 192.168.33.254 pointopoint
192.168.1.254 mtu 1156
Jan 10 07:56:03 throuter openvpn[211]: ./th-slave.up tun0 1156 1200
192.168.33.254 192.168.1.254
Jan 10 07:56:03 throuter openvpn[211]: GID set to nogroup
Jan 10 07:56:03 throuter openvpn[211]: UID set to nobody
Jan 10 07:56:07 throuter openvpn[211]: Peer Connection Initiated with
217.82.30.239:5002
-----------------------------------------------------------------------
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powered by Saicat Linux 2:467/70.49
--- tin/1.5.16-20030125 ("Bubbles") (UNIX) (Linux/2.4.27 (i686))
* Origin: //Born to run Unix... (2:467/70.49)
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