Re: ssh for beginners?

From: David Chapman (dchapman@canwest.victoria.bc.ca)
Date: 04/20/02


From: David Chapman <dchapman@canwest.victoria.bc.ca>
Date: Fri, 19 Apr 2002 22:16:47 GMT

On Fri, 19 Apr 2002 16:27:20 +0000 (UTC), Dimitri Maziuk <dima@127.0.0.1>
wrote:
>
> Hmm. Try "ssh -v -v -v", and if you can turn debug on server-side,
> do that, too.
>
Couldn't do this for the server yet. For the client, here goes:

OpenSSH_3.0.2p1, SSH protocols 1.5/2.0, OpenSSL 0x0090581f
debug1: Reading configuration data /usr/users/dchapman/.ssh/config
debug1: Reading configuration data /usr/pkg/etc/ssh_config
debug1: Seeding random number generator
debug1: Rhosts Authentication disabled, originating port will not be trusted.
debug1: restore_uid
debug1: ssh_connect: getuid 1000 geteuid 1000 anon 1
debug1: Connecting to machine.at.work.com [xx.xx.xxx.xxx] port 22.
debug1: restore_uid
debug1: restore_uid
debug1: Connection established.
debug1: identity file /usr/users/dchapman/.ssh/id_rsa type 0
debug3: Not a RSA1 key file /usr/users/dchapman/.ssh/id_dsa.
debug2: key_type_from_name: unknown key type '-----BEGIN'
debug3: key_read: no key found
debug2: key_type_from_name: unknown key type 'Proc-Type:'
debug3: key_read: no key found
debug2: key_type_from_name: unknown key type 'DEK-Info:'
debug3: key_read: no key found
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug3: key_read: no space
debug2: key_type_from_name: unknown key type '-----END'
debug3: key_read: no key found
debug1: identity file /usr/users/dchapman/.ssh/id_dsa type 2
debug1: Remote protocol version 1.99, remote software version OpenSSH_2.5.1
 NetBSD_Secure_Shell-20010614
debug1: match: OpenSSH_2.5.1 NetBSD_Secure_Shell-20010614 pat ^OpenSSH_2\.5\.
[012]
Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_3.0.2p1
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit: diffie-hellman-group-exchange-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,
arcfour,aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,rijndael256-cbc,
rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,
arcfour,aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,rijndael256-cbc,
rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,
hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,
hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none
debug2: kex_parse_kexinit: none
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-
Group1-sha1
debug2: kex_parse_kexinit: ssh-dss
debug2: kex_parse_kexinit: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour,
aes128-cbc,aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,
rijndael256-cbc,rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour,
aes128-cbc,aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,
rijndael256-cbc,rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: hmac-sha1,hmac-md5,hmac-ripemd160,
hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-sha1,hmac-md5,hmac-ripemd160,
hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib
debug2: kex_parse_kexinit: none,zlib
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_OLD sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: dh_gen_key: priv key bits set: 136/256
debug1: bits set: 1003/2049
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug3: check_host_in_hostfile: filename /usr/users/dchapman/.ssh/known_hosts
debug2: key_type_from_name: unknown key type '1024'
debug3: key_read: no key found
debug3: check_host_in_hostfile: match line 9
debug3: check_host_in_hostfile: filename /usr/users/dchapman/.ssh/known_hosts
debug2: key_type_from_name: unknown key type '1024'
debug3: key_read: no key found
debug3: check_host_in_hostfile: match line 9
debug1: Host 'victaxi.dyn.fibrenet.com' is known and matches the DSA host key.
debug1: Found key in /usr/users/dchapman/.ssh/known_hosts:9
debug1: bits set: 1021/2049
debug1: ssh_dss_verify: signature correct
debug1: kex_derive_keys
debug1: newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: waiting for SSH2_MSG_NEWKEYS
debug1: newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: done: ssh_kex2.
debug1: send SSH2_MSG_SERVICE_REQUEST
debug1: service_accept: ssh-userauth
debug1: got SSH2_MSG_SERVICE_ACCEPT
debug1: authentications that can continue: publickey,password,keyboard-
interactive
debug3: start over, passed a different list publickey,password,keyboard-
interactive
debug3: preferred publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: next auth method to try is publickey
debug1: userauth_pubkey_agent: testing agent key id_dsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug1: authentications that can continue: publickey,password,keyboard-
interactive
debug3: clear_auth_state: key_free 0x80890e0
debug2: userauth_pubkey_agent: no more keys
debug2: userauth_pubkey_agent: no message sent
debug1: try pubkey: /usr/users/dchapman/.ssh/id_dsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug1: authentications that can continue: publickey,password,keyboard-
interactive
debug2: userauth_pubkey_agent: no more keys
debug2: userauth_pubkey_agent: no message sent
debug2: we did not send a packet, disable method
debug3: authmethod_lookup keyboard-interactive
debug3: remaining preferred: password
debug3: authmethod_is_enabled keyboard-interactive
debug1: next auth method to try is keyboard-interactive
debug2: userauth_kbdint
debug2: we sent a keyboard-interactive packet, wait for reply
debug1: authentications that can continue: publickey,password,keyboard-
interactive
debug3: userauth_kbdint: disable: no info_req_seen
debug2: we did not send a packet, disable method
debug3: authmethod_lookup password
debug3: remaining preferred:
debug3: authmethod_is_enabled password
debug1: next auth method to try is password
debug1: packet_send2: adding 48 (len 63 padlen 17 extra_pad 64)
debug2: we sent a password packet, wait for reply
debug1: ssh-userauth2 successful: method password
debug1: fd 5 setting O_NONBLOCK
debug2: fd 6 is O_NONBLOCK
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug1: send channel open 0
debug1: Entering interactive session.
debug2: callback start
debug1: ssh_session2_setup: id 0
debug3: tty_make_modes: ospeed 38400
debug3: tty_make_modes: ispeed 38400
debug3: tty_make_modes: 1 3
debug3: tty_make_modes: 2 255
debug3: tty_make_modes: 3 8
debug3: tty_make_modes: 4 21
debug3: tty_make_modes: 5 4
debug3: tty_make_modes: 6 255
debug3: tty_make_modes: 7 255
debug3: tty_make_modes: 8 17
debug3: tty_make_modes: 9 19
debug3: tty_make_modes: 10 255
debug3: tty_make_modes: 11 255
debug3: tty_make_modes: 12 18
debug3: tty_make_modes: 13 23
debug3: tty_make_modes: 14 255
debug3: tty_make_modes: 17 0
debug3: tty_make_modes: 18 255
debug3: tty_make_modes: 30 1
debug3: tty_make_modes: 31 0
debug3: tty_make_modes: 32 0
debug3: tty_make_modes: 33 0
debug3: tty_make_modes: 34 0
debug3: tty_make_modes: 35 0
debug3: tty_make_modes: 36 1
debug3: tty_make_modes: 38 1
debug3: tty_make_modes: 39 0
debug3: tty_make_modes: 40 0
debug3: tty_make_modes: 41 1
debug3: tty_make_modes: 50 1
debug3: tty_make_modes: 51 1
debug3: tty_make_modes: 53 1
debug3: tty_make_modes: 54 1
debug3: tty_make_modes: 55 1
debug3: tty_make_modes: 56 0
debug3: tty_make_modes: 57 0
debug3: tty_make_modes: 58 0
debug3: tty_make_modes: 59 1
debug3: tty_make_modes: 60 1
debug3: tty_make_modes: 61 1
debug3: tty_make_modes: 62 1
debug3: tty_make_modes: 70 1
debug3: tty_make_modes: 72 1
debug3: tty_make_modes: 73 0
debug3: tty_make_modes: 74 0
debug3: tty_make_modes: 75 0
debug3: tty_make_modes: 90 1
debug3: tty_make_modes: 91 1
debug3: tty_make_modes: 92 0
debug3: tty_make_modes: 93 0
debug1: channel request 0: shell
debug2: callback done
debug1: channel 0: open confirm rwindow 0 rmax 16384
debug2: channel 0: rcvd adjust 32768
Last login: Fri Apr 19 14:42:51 2002 from h24-65-170-152.g
NetBSD 1.5.2 (VICTAXI) #0: Fri Jan 11 13:03:56 PST 2002

Welcome to NetBSD!

h24-80-221-150% exit
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: channel 0: rcvd eof
debug1: channel 0: output open -> drain
debug1: channel 0: rcvd close
debug1: channel 0: input open -> closed
debug1: channel 0: close_read
debug3: channel 0: will not send data after close
debug1: channel 0: obuf empty
debug1: channel 0: output drain -> closed
debug1: channel 0: close_write
debug1: channel 0: almost dead
debug1: channel 0: gc: notify user
debug1: channel 0: gc: user detached
debug1: channel 0: send close
debug1: channel 0: is dead
debug1: channel 0: garbage collecting
debug1: channel_free: channel 0: client-session, nchannels 1
debug3: channel_free: status: The following connections are open:
  #0 client-session (t4 r0 i8/0 o128/0 fd -1/-1)

debug3: channel_close_fds: channel 0: r -1 w -1 e 6
debug1: fd 1 clearing O_NONBLOCK
debug2: fd 2 is not O_NONBLOCK
Connection to victaxi.dyn.fibrenet.com closed.
debug1: Transferred: stdin 0, stdout 0, stderr 48 bytes in 10.6 seconds
debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 4.5
debug1: Exit status 0

--- End of output ---

What's with:

debug2: key_type_from_name: unknown key type '-----BEGIN'

My private keys are all text files. Is this right?

What should the permissions be on *.pub on the server? 644?

  Thanks again,

-- 
Dave Chapman                       |    "tar is not a plaything"
dchapman@canwest.victoria.bc.ca    |    bsimpson@dt.springfield.edu



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