[Freeipa-users] Not able to SSH with User Created in IPA Server

Yogesh Sharma yks0000 at gmail.com
Thu Mar 26 10:12:14 UTC 2015


Hi,

We are getting error while trying to ssh using users created in IPA server.

root at yogesh-ubuntu-pc:~# ssh -vvv cm8158 at 52.74.84.94
OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to 52.74.84.94 [52.74.84.94] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug3: Incorrect RSA1 identifier
debug3: Could not load "/root/.ssh/id_rsa" as a RSA1 public key
debug1: identity file /root/.ssh/id_rsa type 1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3
debug1: match: OpenSSH_5.3 pat OpenSSH_5* compat 0x0c000000
debug2: fd 3 setting O_NONBLOCK
debug3: load_hostkeys: loading entries for host "52.74.84.94" from file
"/root/.ssh/known_hosts"
debug3: load_hostkeys: found key type RSA in file /root/.ssh/known_hosts:89
debug3: load_hostkeys: loaded 1 keys
debug3: order_hostkeyalgs: prefer hostkeyalgs: ssh-rsa-cert-v01 at openssh.com,
ssh-rsa-cert-v00 at openssh.com,ssh-rsa
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit: curve25519-sha256 at libssh.org
,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa-cert-v01 at openssh.com,
ssh-rsa-cert-v00 at openssh.com,ssh-rsa,
ecdsa-sha2-nistp256-cert-v01 at openssh.com,
ecdsa-sha2-nistp384-cert-v01 at openssh.com,
ecdsa-sha2-nistp521-cert-v01 at openssh.com,ssh-ed25519-cert-v01 at openssh.com,
ssh-dss-cert-v01 at openssh.com,ssh-dss-cert-v00 at openssh.com
,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519,ssh-dss
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,
aes128-gcm at openssh.com,aes256-gcm at openssh.com,chacha20-poly1305 at openssh.com
,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,
aes128-gcm at openssh.com,aes256-gcm at openssh.com,chacha20-poly1305 at openssh.com
,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5-etm at openssh.com,
hmac-sha1-etm at openssh.com,umac-64-etm at openssh.com,umac-128-etm at openssh.com,
hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,
hmac-ripemd160-etm at openssh.com,hmac-sha1-96-etm at openssh.com,
hmac-md5-96-etm at openssh.com,hmac-md5,hmac-sha1,umac-64 at openssh.com,
umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5-etm at openssh.com,
hmac-sha1-etm at openssh.com,umac-64-etm at openssh.com,umac-128-etm at openssh.com,
hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,
hmac-ripemd160-etm at openssh.com,hmac-sha1-96-etm at openssh.com,
hmac-md5-96-etm at openssh.com,hmac-md5,hmac-sha1,umac-64 at openssh.com,
umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
debug2: kex_parse_kexinit: none,zlib at openssh.com,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-sha256,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-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib at openssh.com
debug2: kex_parse_kexinit: none,zlib at openssh.com
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit: first_kex_follows 0
debug2: kex_parse_kexinit: reserved 0
debug2: mac_setup: setup hmac-md5
debug1: kex: server->client aes128-ctr hmac-md5 none
debug2: mac_setup: setup hmac-md5
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<3072<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug2: bits set: 1584/3072
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Server host key: RSA 05:d1:fd:ee:1a:64:fd:6b:ec:a5:ac:66:34:6f:61:e7
debug3: load_hostkeys: loading entries for host "52.74.84.94" from file
"/root/.ssh/known_hosts"
debug3: load_hostkeys: found key type RSA in file /root/.ssh/known_hosts:89
debug3: load_hostkeys: loaded 1 keys
debug1: Host '52.74.84.94' is known and matches the RSA host key.
debug1: Found key in /root/.ssh/known_hosts:89
debug2: bits set: 1540/3072
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: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug2: key: /root/.ssh/id_rsa (0x7f5d62f2cd10),
debug2: key: /root/.ssh/id_dsa ((nil)),
debug2: key: /root/.ssh/id_ecdsa ((nil)),
debug2: key: /root/.ssh/id_ed25519 ((nil)),
debug1: Authentications that can continue:
publickey,gssapi-keyex,gssapi-with-mic
debug3: start over, passed a different list
publickey,gssapi-keyex,gssapi-with-mic
debug3: preferred
gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup gssapi-keyex
debug3: remaining preferred:
gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_is_enabled gssapi-keyex
debug1: Next authentication method: gssapi-keyex
debug1: No valid Key exchange context
debug2: we did not send a packet, disable method
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
debug1: Unspecified GSS failure.  Minor code may provide more information
No Kerberos credentials available

debug1: Unspecified GSS failure.  Minor code may provide more information
No Kerberos credentials available

debug1: Unspecified GSS failure.  Minor code may provide more information


debug1: Unspecified GSS failure.  Minor code may provide more information
No Kerberos credentials available

debug2: we did not send a packet, disable method
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /root/.ssh/id_rsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue:
publickey,gssapi-keyex,gssapi-with-mic
debug1: Trying private key: /root/.ssh/id_dsa
debug3: no such identity: /root/.ssh/id_dsa: No such file or directory
debug1: Trying private key: /root/.ssh/id_ecdsa
debug3: no such identity: /root/.ssh/id_ecdsa: No such file or directory
debug1: Trying private key: /root/.ssh/id_ed25519
debug3: no such identity: /root/.ssh/id_ed25519: No such file or directory
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
Permission denied (publickey,gssapi-keyex,gssapi-with-mic).




Below is the audit.log

type=CRYPTO_KEY_USER msg=audit(1427364618.180:2624): user pid=11570 uid=0
auid=500 ses=328 msg='op=destroy kind=server
fp=05:d1:fd:ee:1a:64:fd:6b:ec:a5:ac:66:34:6f:61:e7 direction=? spid=11570
suid=0  exe="/usr/sbin/sshd" hostname=? addr=61.16.237.50 terminal=?
res=success'
type=CRYPTO_KEY_USER msg=audit(1427364618.181:2625): user pid=11570 uid=0
auid=500 ses=328 msg='op=destroy kind=server
fp=91:ae:3f:fc:6e:5e:ec:76:8f:00:50:ee:c0:1d:c4:dc direction=? spid=11570
suid=0  exe="/usr/sbin/sshd" hostname=? addr=61.16.237.50 terminal=?
res=success'
type=CRYPTO_SESSION msg=audit(1427364618.261:2626): user pid=11569 uid=0
auid=500 ses=328 msg='op=start direction=from-client cipher=aes128-ctr
ksize=128 spid=11570 suid=74 rport=50263 laddr=20.0.0.159 lport=22
 exe="/usr/sbin/sshd" hostname=? addr=61.16.237.50 terminal=? res=success'
type=CRYPTO_SESSION msg=audit(1427364618.261:2627): user pid=11569 uid=0
auid=500 ses=328 msg='op=start direction=from-server cipher=aes128-ctr
ksize=128 spid=11570 suid=74 rport=50263 laddr=20.0.0.159 lport=22
 exe="/usr/sbin/sshd" hostname=? addr=61.16.237.50 terminal=? res=success'
type=USER_AUTH msg=audit(1427364618.913:2628): user pid=11569 uid=0
auid=500 ses=328 msg='op=pubkey acct="cm8158" exe="/usr/sbin/sshd"
hostname=? addr=61.16.237.50 terminal=ssh res=failed'
type=CRYPTO_KEY_USER msg=audit(1427364618.993:2629): user pid=11569 uid=0
auid=500 ses=328 msg='op=destroy kind=session fp=? direction=both
spid=11570 suid=74 rport=50263 laddr=20.0.0.159 lport=22
 exe="/usr/sbin/sshd" hostname=? addr=61.16.237.50 terminal=? res=success'
type=USER_ERR msg=audit(1427364618.993:2630): user pid=11569 uid=0 auid=500
ses=328 msg='op=PAM:bad_ident acct="?" exe="/usr/sbin/sshd"
hostname=61.16.237.50 addr=61.16.237.50 terminal=ssh res=failed'
type=CRYPTO_KEY_USER msg=audit(1427364618.993:2631): user pid=11569 uid=0
auid=500 ses=328 msg='op=destroy kind=server
fp=05:d1:fd:ee:1a:64:fd:6b:ec:a5:ac:66:34:6f:61:e7 direction=? spid=11569
suid=0  exe="/usr/sbin/sshd" hostname=? addr=61.16.237.50 terminal=?
res=success'
type=CRYPTO_KEY_USER msg=audit(1427364618.993:2632): user pid=11569 uid=0
auid=500 ses=328 msg='op=destroy kind=server
fp=91:ae:3f:fc:6e:5e:ec:76:8f:00:50:ee:c0:1d:c4:dc direction=? spid=11569
suid=0  exe="/usr/sbin/sshd" hostname=? addr=61.16.237.50 terminal=?
res=success'
type=USER_LOGIN msg=audit(1427364618.994:2633): user pid=11569 uid=0
auid=500 ses=328 msg='op=login acct="cm8158" exe="/usr/sbin/sshd"
hostname=? addr=61.16.237.50 terminal=ssh res=failed'



Secure log:

Mar 26 10:11:58 ldap-inf-stg-sg1-01 sshd[11575]: reverse mapping checking
getaddrinfo for del-static-50-237-16-61.direct.net.in [61.16.237.50] failed
- POSSIBLE BREAK-IN ATTEMPT!
Mar 26 10:11:58 ldap-inf-stg-sg1-01 sshd[11576]: Connection closed by
61.16.237.50




*Best Regards,__________________________________________*

*Yogesh Sharma*
*Email: yks0000 at gmail.com <yks0000 at gmail.com> | Web: www.initd.in
<http://www.initd.in>*

RHCE, VCE-CIA, RackSpace Cloud U
[image: My LinkedIn Profile] <http://in.linkedin.com/in/yks0000>
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