Hi! we stumbled into a nasty problem. After feisty-upgrade the ssh connect to a dapper server is becoming unstable.
Sometimes it works - sometimes not. FAQ and other resources are not helpful here. Example of working try: > [EMAIL PROTECTED]:~$ ssh server > Last login: Thu Sep 20 12:12:00 2007 from pc2.s.automatix.de on pts/6 > Linux server 2.6.17.13-ax #1 SMP Tue Sep 19 16:17:15 CEST 2006 i686 > GNU/Linux > Unbuntu Dapper 6.06 Release + Universe + Multiverse > You have new mail. > [EMAIL PROTECTED]:~$ date > Mo 1 Okt 12:02:14 CEST 2007 > [EMAIL PROTECTED]:~$ logout > Connection to server closed. > [EMAIL PROTECTED]:~$ ssh server ... long time nothing happens. Ctrl-C After that I tried out a debug output: >[EMAIL PROTECTED]:~$ date >Mo 1. Okt 12:04:45 CEST 2007 >[EMAIL PROTECTED]:~$ ssh -vvvv server >OpenSSH_4.3p2 Debian-8ubuntu1, OpenSSL 0.9.8c 05 Sep 2006 >debug1: Reading configuration data /etc/ssh/ssh_config >debug1: Applying options for * >debug2: ssh_connect: needpriv 0 >debug1: Connecting to server [192.168.11.1] port 22. >debug2: fd 3 setting O_NONBLOCK >debug1: fd 3 clearing O_NONBLOCK >debug1: Connection established. >debug1: identity file /home/jojo/.ssh/identity type -1 >debug1: identity file /home/jojo/.ssh/id_rsa type -1 >debug3: Not a RSA1 key file /home/jojo/.ssh/id_dsa. >debug2: key_type_from_name: unknown key type '-----BEGIN' >debug3: key_read: missing keytype >debug3: key_read: missing whitespace >repeaten many times< >debug2: key_type_from_name: unknown key type '-----END' >debug3: key_read: missing keytype >debug1: identity file /home/jojo/.ssh/id_dsa type 2 >debug1: Remote protocol version 2.0, remote software version >OpenSSH_4.2p1 Debian-7ubuntu3.1 >debug1: match: OpenSSH_4.2p1 Debian-7ubuntu3.1 pat OpenSSH* >debug1: Enabling compatibility mode for protocol 2.0 >debug1: Local version string SSH-2.0-OpenSSH_4.3p2 Debian-8ubuntu1 >debug2: fd 3 setting O_NONBLOCK >debug1: SSH2_MSG_KEXINIT sent >debug1: SSH2_MSG_KEXINIT received >debug2: kex_parse_kexinit: >diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 >debug2: kex_parse_kexinit: ssh-rsa,ssh-dss >debug2: kex_parse_kexinit: >aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr > debug2: kex_parse_kexinit: > aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr > debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL > PROTECTED],hmac-sha1-96,hmac-md5-96 >debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL >PROTECTED],hmac-sha1-96,hmac-md5-96 >debug2: kex_parse_kexinit: none,[EMAIL PROTECTED],zlib >debug2: kex_parse_kexinit: none,[EMAIL PROTECTED],zlib >debug2: kex_parse_kexinit: >debug2: kex_parse_kexinit: >debug2: kex_parse_kexinit: first_kex_follows 0 >debug2: kex_parse_kexinit: reserved 0 >debug2: kex_parse_kexinit: >diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 >debug2: kex_parse_kexinit: ssh-rsa,ssh-dss >debug2: kex_parse_kexinit: >aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr >debug2: kex_parse_kexinit: >aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr >debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL >PROTECTED],hmac-sha1-96,hmac-md5-96 >debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL >PROTECTED],hmac-sha1-96,hmac-md5-96 >debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] >debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] >debug2: kex_parse_kexinit: >debug2: kex_parse_kexinit: >debug2: kex_parse_kexinit: first_kex_follows 0 >debug2: kex_parse_kexinit: reserved 0 >debug2: mac_init: found hmac-md5 >debug1: kex: server->client aes128-cbc hmac-md5 none >debug2: mac_init: found hmac-md5 >debug1: kex: client->server aes128-cbc hmac-md5 none >debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent >debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP >debug2: dh_gen_key: priv key bits set: 129/256 >debug2: bits set: 548/1024 >debug1: SSH2_MSG_KEX_DH_GEX_INIT sent >debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY >debug3: check_host_in_hostfile: filename /home/jojo/.ssh/known_hosts >debug3: check_host_in_hostfile: match line 3 >debug3: check_host_in_hostfile: filename /home/jojo/.ssh/known_hosts >debug3: check_host_in_hostfile: match line 37 >debug1: Host 'server' is known and matches the RSA host key. >debug1: Found key in /home/jojo/.ssh/known_hosts:3 >debug2: bits set: 521/1024 >debug1: ssh_rsa_verify: signature correct >debug2: kex_derive_keys >debug2: set_newkeys: mode 1 >debug1: SSH2_MSG_NEWKEYS sent >debug1: expecting SSH2_MSG_NEWKEYS >debug2: set_newkeys: mode 0 >debug1: SSH2_MSG_NEWKEYS received >debug1: SSH2_MSG_SERVICE_REQUEST sent >debug2: service_accept: ssh-userauth >debug1: SSH2_MSG_SERVICE_ACCEPT received and nothing more hapens. I presume, ssh in feisty is broken. Can anyone confirm this ? TIA J. Sauer -- Jürgen Sauer - automatiX GmbH, +49-4209-4699, [EMAIL PROTECTED] Das Linux Systemhaus - Service - Support - Server - Lösungen Geschäftsführer (Managing Director): Jürgen Sauer, Gerichtstand: Amtsgericht Walsrode • HRB 120986 Ust-Id: DE191468481 • St.Nr.: 36/201/14198
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