OpenSSH and Kerberos Questions
Joe Odenweller
joe_odenweller at hotmail.com
Wed Nov 17 12:12:15 EST 2004
deengert at anl.gov ("Douglas E. Engert") wrote in message news:<419A6BF7.3060004 at anl.gov>...
... lots of stuff snipped out ...
> Douglas E. Engert <DEEngert at anl.gov>
> Argonne National Laboratory
> 9700 South Cass Avenue
> Argonne, Illinois 60439
> (630) 252-5444
> ________________________________________________
> Kerberos mailing list Kerberos at mit.edu
> https://mailman.mit.edu/mailman/listinfo/kerberos
script output for client:
Script started on Wed Nov 17 10:27:15 2004
$ /usr/krb5/bin/kdestroy
$ /usr/krb5/bin/kinit -f
Password for mzzckd at AIX.US.EDS.COM:
$ /usr/krb5/bin/klist -f
Ticket cache: FILE:/var/krb5/security/creds/krb5cc_203
Default principal: mzzckd at AIX.US.EDS.COM
Valid starting Expires Service principal
11/17/04 10:27:41 11/18/04 10:27:38
krbtgt/AIX.US.EDS.COM at AIX.US.EDS.COM
Flags: FIA
$ grep -i gssapi /etc/ssh/ssh_config
GSSAPIAuthentication yes
GSSAPIDelegateCredentials yes
$ /usr/bin/ssh -vvv usplsai011
OpenSSH_3.8.1p1, OpenSSL 0.9.7d 17 Mar 2004
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug3: Seeding PRNG from /usr/sbin/ssh-rand-helper
debug2: ssh_connect: needpriv 0
debug1: Connecting to usplsai011 [206.122.74.93] port 22.
debug1: Connection established.
debug1: identity file /home/mzzckd/.ssh/identity type -1
debug1: identity file /home/mzzckd/.ssh/id_rsa type -1
debug1: identity file /home/mzzckd/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version
OpenSSH_3.8.1p1
debug1: match: OpenSSH_3.8.1p1 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_3.8.1p1
debug3: RNG is ready, skipping seeding
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,rijndael-cbc at lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit:
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc at lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at 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: 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,rijndael-cbc at lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit:
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc at lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at 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(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug2: dh_gen_key: priv key bits set: 133/256
debug2: bits set: 506/1024
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug3: check_host_in_hostfile: filename /home/mzzckd/.ssh/known_hosts
debug3: check_host_in_hostfile: match line 1
debug3: check_host_in_hostfile: filename /home/mzzckd/.ssh/known_hosts
debug3: check_host_in_hostfile: match line 1
debug1: Host 'usplsai011' is known and matches the RSA host key.
debug1: Found key in /home/mzzckd/.ssh/known_hosts:1
debug2: bits set: 529/1024
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
debug2: key: /home/mzzckd/.ssh/identity (0)
debug2: key: /home/mzzckd/.ssh/id_rsa (0)
debug2: key: /home/mzzckd/.ssh/id_dsa (0)
debug1: Authentications that can continue:
publickey,gssapi-with-mic,password,keyboard-interactive
debug3: start over, passed a different list
publickey,gssapi-with-mic,password,keyboard-interactive
debug3: preferred gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup gssapi-with-mic
debug3: remaining preferred: publickey,keyboard-interactive,password
debug3: authmethod_is_enabled gssapi-with-mic
debug1: Next authentication method: gssapi-with-mic
debug2: we sent a gssapi-with-mic packet, wait for reply
debug1: Delegating credentials
debug1: Delegating credentials
debug1: Authentication succeeded (gssapi-with-mic).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug1: Entering interactive session.
debug2: callback start
debug2: ssh_session2_setup: id 0
debug2: channel 0: request pty-req
debug3: tty_make_modes: ospeed 9600
debug3: tty_make_modes: ispeed 9600
debug3: tty_make_modes: 1 3
debug3: tty_make_modes: 2 28
debug3: tty_make_modes: 3 8
debug3: tty_make_modes: 4 21
debug3: tty_make_modes: 5 4
debug3: tty_make_modes: 6 0
debug3: tty_make_modes: 7 0
debug3: tty_make_modes: 8 17
debug3: tty_make_modes: 9 19
debug3: tty_make_modes: 10 26
debug3: tty_make_modes: 11 25
debug3: tty_make_modes: 12 18
debug3: tty_make_modes: 14 22
debug3: tty_make_modes: 30 0
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: 37 0
debug3: tty_make_modes: 38 1
debug3: tty_make_modes: 39 0
debug3: tty_make_modes: 40 1
debug3: tty_make_modes: 41 1
debug3: tty_make_modes: 50 1
debug3: tty_make_modes: 51 1
debug3: tty_make_modes: 52 0
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 0
debug3: tty_make_modes: 70 1
debug3: tty_make_modes: 71 0
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
debug2: channel 0: request shell
debug2: fd 3 setting TCP_NODELAY
debug2: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug1: channel 0: free: client-session, nchannels 1
debug3: channel 0: status: The following connections are open:
#0 client-session (t4 r0 i0/0 o0/0 fd 6/7)
debug3: channel 0: close_fds r 6 w 7 e 8
Connection to usplsai011 closed by remote host.
Connection to usplsai011 closed.
debug1: Transferred: stdin 0, stdout 0, stderr 83 bytes in 0.2 seconds
debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 516.0
debug1: Exit status -1
$
script done on Wed Nov 17 10:28:27 2004
Output from server:
fd 11 setting O_NONBLOCK
debug1: server_init_dispatch_20
debug1: server_input_channel_open: ctype session rchan 0 win 65536 max
16384
debug1: input_session_request
debug1: channel 0: new [server-session]
debug1: session_new: init
debug1: session_new: session 0
debug1: session_open: channel 0
debug1: session_open: session 0: link with channel 0
debug1: server_input_channel_open: confirm session
debug1: server_input_channel_req: channel 0 request pty-req reply 0
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 req pty-req
debug1: Allocating pty.
debug3: mm_request_send entering: type 25
debug3: mm_pty_allocate: waiting for MONITOR_ANS_PTY
debug3: mm_request_receive_expect entering: type 26
debug3: mm_request_receive entering
debug3: monitor_read: checking request 25
debug3: mm_answer_pty entering
debug1: session_new: init
debug1: session_new: session 0
debug3: mm_request_send entering: type 26
debug1: session_pty_req: session 0 alloc /dev/pts/5
debug3: tty_parse_modes: SSH2 n_bytes 251
debug3: tty_parse_modes: ospeed 9600
debug3: tty_parse_modes: ispeed 9600
debug3: tty_parse_modes: 1 3
debug3: tty_parse_modes: 2 28
debug3: tty_parse_modes: 3 8
debug3: tty_parse_modes: 4 21
debug3: tty_parse_modes: 5 4
debug3: tty_parse_modes: 6 0
debug3: tty_parse_modes: 7 0
debug3: tty_parse_modes: 8 17
debug3: Trying to reverse map address 206.122.74.94.
debug3: tty_parse_modes: 9 19
debug3: tty_parse_modes: 10 26
debug3: tty_parse_modes: 11 25
debug3: tty_parse_modes: 12 18
debug3: tty_parse_modes: 14 22
debug3: tty_parse_modes: 30 0
debug3: tty_parse_modes: 31 0
debug3: tty_parse_modes: 32 0
debug3: tty_parse_modes: 33 0
debug3: tty_parse_modes: 34 0
debug3: tty_parse_modes: 35 0
debug3: tty_parse_modes: 36 1
debug3: tty_parse_modes: 37 0
debug3: tty_parse_modes: 38 1
debug3: tty_parse_modes: 39 0
debug3: tty_parse_modes: 40 1
debug3: tty_parse_modes: 41 1
debug3: tty_parse_modes: 50 1
debug3: tty_parse_modes: 51 1
debug3: tty_parse_modes: 52 0
debug3: tty_parse_modes: 53 1
debug3: tty_parse_modes: 54 1
debug3: tty_parse_modes: 55 1
debug3: tty_parse_modes: 56 0
debug3: tty_parse_modes: 57 0
debug3: tty_parse_modes: 58 0
debug3: tty_parse_modes: 59 1
debug3: tty_parse_modes: 60 1
debug3: tty_parse_modes: 61 1
debug3: tty_parse_modes: 62 0
debug3: tty_parse_modes: 70 1
debug3: tty_parse_modes: 71 0
debug3: tty_parse_modes: 72 1
debug3: tty_parse_modes: 73 0
debug3: tty_parse_modes: 74 0
debug3: tty_parse_modes: 75 0
debug3: tty_parse_modes: 90 1
debug3: tty_parse_modes: 91 1
debug3: tty_parse_modes: 92 0
debug3: tty_parse_modes: 93 0
debug1: server_input_channel_req: channel 0 request shell reply 0
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 req shell
debug1: temporarily_use_uid: 203/1 (e=203/1)
debug3: mm_answer_pty: tty /dev/pts/5 ptyfd 9
debug3: mm_request_receive entering
debug1: do_cleanup
debug1: session_pty_cleanup: session 0 release /dev/pts/5
usplsai011:/# ls -la /var/krb5/security/creds/krb5cc_203
/var/krb5/security/creds/krb5cc_203 not found
usplsai011:/#
script done on Wed Nov 17 10:28:36 2004
/var/krb5/log/kadmin.log on KDC (usplsai012)
Nov 17 10:27:30 usplsai012.txpln.us.eds.com kadmind[17032](Notice):
Successful request: kadm5_init,
host/usplsai011.txpln.us.eds.com at AIX.US.EDS.COM,
client=host/usplsai011.txpln.us.eds.com at AIX.US.EDS.COM,
service=kadmin/admin at AIX.US.EDS.COM, addr=206.122.74.93
Nov 17 10:27:30 usplsai012.txpln.us.eds.com kadmind[17032](Notice):
Successful request: kadm5_get_principal, mzzckd at AIX.US.EDS.COM,
client=host/usplsai011.txpln.us.eds.com at AIX.US.EDS.COM,
service=kadmin/admin at AIX.US.EDS.COM, addr=206.122.74.93
/var/krb5/log/krb5kdc.log on KDC (usplsai012)
Nov 17 10:27:16 usplsai012.txpln.us.eds.com
/usr/krb5/sbin/krb5kdc[16778](Notice): AS_REQ (5 etypes {16 23 18 3
1}) 206.122.74.94(88): NEEDED_PREAUTH: mzzckd at AIX.US.EDS.COM for
krbtgt/AIX.US.EDS.COM at AIX.US.EDS.COM, Additional pre-authentication
required
Nov 17 10:27:19 usplsai012.txpln.us.eds.com
/usr/krb5/sbin/krb5kdc[16778](info): AS_REQ (5 etypes {16 23 18 3 1})
206.122.74.94(88): ISSUE: authtime 1100710759, etypes {rep=16 tkt=16
ses=16}, mzzckd at AIX.US.EDS.COM for
krbtgt/AIX.US.EDS.COM at AIX.US.EDS.COM
Nov 17 10:27:30 usplsai012.txpln.us.eds.com
/usr/krb5/sbin/krb5kdc[16778](info): AS_REQ (5 etypes {16 23 18 3 1})
206.122.74.93(88): ISSUE: authtime 1100710770, etypes {rep=16 tkt=16
ses=16}, host/usplsai011.txpln.us.eds.com at AIX.US.EDS.COM for
kadmin/admin at AIX.US.EDS.COM
Nov 17 10:27:31 usplsai012.txpln.us.eds.com
/usr/krb5/sbin/krb5kdc[16778](info): TGS_REQ (5 etypes {16 23 18 3 1})
206.122.74.94(88): ISSUE: authtime 1100710759, etypes {rep=16 tkt=16
ses=16}, mzzckd at AIX.US.EDS.COM for
host/usplsai011.txpln.us.eds.com at AIX.US.EDS.COM:
Nov 17 10:27:31 usplsai012.txpln.us.eds.com
/usr/krb5/sbin/krb5kdc[16778](info): TGS_REQ (1 etypes {16})
206.122.74.94(88): ISSUE: authtime 1100710759, etypes {rep=16 tkt=16
ses=16}, mzzckd at AIX.US.EDS.COM for
krbtgt/AIX.US.EDS.COM at AIX.US.EDS.COM:
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