Hello, I'm running sshd-4.4p1. I've a PAM module for authentication. I see that the PAM authentication is successful, with the right error codes from the PAM module. After the PAM authentication, sshd dies after logging a fatal error: "fatal: monitor_child_preauth: unexpected authentication from 46". I tried running the PAM thread under gdb; but the PAM thread dies in a different place; actually in "buffer_free(&buffer)" in auth-pam.c:511. Any pointers to why this error could happen would help. Any pointers towards debugging further is appreciated. Thanks Hari This is the syslog dump at DEBUG3: Jan 30 03:28:19 harivm26 sshd[32383]: debug2: load_server_config: filename /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config Jan 30 03:28:19 harivm26 sshd[32383]: debug2: load_server_config: done config len = 407 Jan 30 03:28:19 harivm26 sshd[32383]: debug2: parse_server_config: config /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config len 407 Jan 30 03:28:19 harivm26 sshd[32383]: debug3: /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config:4 setting HostKey /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/ssh_host_key Jan 30 03:28:19 harivm26 sshd[32383]: debug3: /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config:6 setting HostKey /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/ssh_host_rsa_key Jan 30 03:28:19 harivm26 sshd[32383]: debug3: /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config:7 setting HostKey /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/ssh_host_dsa_key Jan 30 03:28:19 harivm26 sshd[32383]: debug3: /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config:9 setting Subsystem netconf /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd-subsystem-invoke Jan 30 03:28:19 harivm26 sshd[32383]: debug3: /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config:10 setting LogLevel DEBUG3 Jan 30 03:28:19 harivm26 sshd[32383]: debug3: /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config:11 setting UsePAM yes Jan 30 03:28:19 harivm26 sshd[32383]: debug3: /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config:13 setting PermitUserEnvironment yes Jan 30 03:28:19 harivm26 sshd[32383]: debug1: sshd version OpenSSH_4.4p1 Jan 30 03:28:19 harivm26 sshd[32383]: debug1: private host key: #0 type 0 RSA1 Jan 30 03:28:19 harivm26 sshd[32383]: debug3: Not a RSA1 key file /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/ssh_host_rsa_key. Jan 30 03:28:19 harivm26 sshd[32383]: debug1: read PEM private key done: type RSA Jan 30 03:28:19 harivm26 sshd[32383]: debug1: private host key: #1 type 1 RSA Jan 30 03:28:19 harivm26 sshd[32383]: debug3: Not a RSA1 key file /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/ssh_host_dsa_key. Jan 30 03:28:19 harivm26 sshd[32383]: debug1: read PEM private key done: type DSA Jan 30 03:28:19 harivm26 sshd[32383]: debug1: private host key: #2 type 2 DSA Jan 30 03:28:19 harivm26 sshd[32383]: debug1: setgroups() failed: Operation not permitted Jan 30 03:28:19 harivm26 sshd[32383]: debug1: inetd sockets after dupping: 3, 4 Jan 30 03:28:19 harivm26 sshd[32383]: Generating 768 bit RSA key. Jan 30 03:28:19 harivm26 sshd[32383]: RSA key generation complete. Jan 30 03:28:19 harivm26 sshd[32383]: Connection from 10.204.50.21 port 7804 Jan 30 03:28:19 harivm26 sshd[32383]: debug1: Client protocol version 2.0; client software version OpenSSH_3.9p1 Jan 30 03:28:19 harivm26 sshd[32383]: debug1: match: OpenSSH_3.9p1 pat OpenSSH_3.* Jan 30 03:28:19 harivm26 sshd[32383]: debug1: Enabling compatibility mode for protocol 2.0 Jan 30 03:28:19 harivm26 sshd[32383]: debug1: Local version string SSH-1.99-OpenSSH_4.4 Jan 30 03:28:19 harivm26 sshd[32383]: debug3: fd 3 is O_NONBLOCK Jan 30 03:28:19 harivm26 sshd[32383]: debug3: fd 4 is O_NONBLOCK Jan 30 03:28:19 harivm26 sshd[32387]: debug1: list_hostkey_types: ssh-rsa,ssh-dss Jan 30 03:28:19 harivm26 sshd[32383]: debug2: Network child is on pid 32387 Jan 30 03:28:19 harivm26 sshd[32387]: debug1: SSH2_MSG_KEXINIT sent Jan 30 03:28:19 harivm26 sshd[32383]: debug3: preauth child monitor started Jan 30 03:28:19 harivm26 sshd[32387]: debug1: SSH2_MSG_KEXINIT received Jan 30 03:28:19 harivm26 sshd[32383]: debug3: mm_request_receive entering Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: ssh-rsa,ssh-dss Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@xxxxxxxxxxxxxx,aes128-ctr,aes192-ctr,aes256-ctr Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@xxxxxxxxxxxxxx,aes128-ctr,aes192-ctr,aes256-ctr Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@xxxxxxxxxxx,hmac-sha1-96,hmac-md5-96 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@xxxxxxxxxxx,hmac-sha1-96,hmac-md5-96 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: none,zlib@xxxxxxxxxxx Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: none,zlib@xxxxxxxxxxx Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: first_kex_follows 0 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: reserved 0 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: ssh-rsa,ssh-dss Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@xxxxxxxxxxxxxx,aes128-ctr,aes192-ctr,aes256-ctr Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@xxxxxxxxxxxxxx,aes128-ctr,aes192-ctr,aes256-ctr Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@xxxxxxxxxxx,hmac-sha1-96,hmac-md5-96 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@xxxxxxxxxxx,hmac-sha1-96,hmac-md5-96 Jan 30 03:28:19 harivm26 sshd[32387]: debug2: kex_parse_kexinit: none,zlib Jan 30 03:28:20 harivm26 sshd[32387]: debug2: kex_parse_kexinit: none,zlib Jan 30 03:28:20 harivm26 sshd[32387]: debug2: kex_parse_kexinit: Jan 30 03:28:20 harivm26 sshd[32387]: debug2: kex_parse_kexinit: Jan 30 03:28:20 harivm26 sshd[32387]: debug2: kex_parse_kexinit: first_kex_follows 0 Jan 30 03:28:20 harivm26 sshd[32387]: debug2: kex_parse_kexinit: reserved 0 Jan 30 03:28:20 harivm26 sshd[32387]: debug2: mac_init: found hmac-md5 Jan 30 03:28:20 harivm26 sshd[32387]: debug1: kex: client->server aes128-cbc hmac-md5 none Jan 30 03:28:20 harivm26 sshd[32387]: debug2: mac_init: found hmac-md5 Jan 30 03:28:20 harivm26 sshd[32387]: debug1: kex: server->client aes128-cbc hmac-md5 none Jan 30 03:28:20 harivm26 sshd[32387]: debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_send entering: type 0 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_choose_dh: waiting for MONITOR_ANS_MODULI Jan 30 03:28:20 harivm26 sshd[32383]: debug3: monitor_read: checking request 0 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_receive_expect entering: type 1 Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_answer_moduli: got parameters: 1024 1024 8192 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_receive entering Jan 30 03:28:20 harivm26 sshd[32383]: WARNING: /usr/local/etc/moduli does not exist, using fixed modulus Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_request_send entering: type 1 Jan 30 03:28:20 harivm26 sshd[32383]: debug2: monitor_read: 0 used once, disabling now Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_choose_dh: remaining 0 Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_request_receive entering Jan 30 03:28:20 harivm26 sshd[32387]: debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent Jan 30 03:28:20 harivm26 sshd[32387]: debug2: dh_gen_key: priv key bits set: 127/256 Jan 30 03:28:20 harivm26 sshd[32387]: debug2: bits set: 996/2048 Jan 30 03:28:20 harivm26 sshd[32387]: debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT Jan 30 03:28:20 harivm26 sshd[32387]: debug2: bits set: 998/2048 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_key_sign entering Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_send entering: type 4 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_key_sign: waiting for MONITOR_ANS_SIGN Jan 30 03:28:20 harivm26 sshd[32383]: debug3: monitor_read: checking request 4 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_receive_expect entering: type 5 Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_answer_sign Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_receive entering Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_answer_sign: signature 0x809e510(143) Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_request_send entering: type 5 Jan 30 03:28:20 harivm26 sshd[32383]: debug2: monitor_read: 4 used once, disabling now Jan 30 03:28:20 harivm26 sshd[32387]: debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_request_receive entering Jan 30 03:28:20 harivm26 sshd[32387]: debug2: kex_derive_keys Jan 30 03:28:20 harivm26 sshd[32387]: debug2: set_newkeys: mode 1 Jan 30 03:28:20 harivm26 sshd[32387]: debug1: SSH2_MSG_NEWKEYS sent Jan 30 03:28:20 harivm26 sshd[32387]: debug1: expecting SSH2_MSG_NEWKEYS Jan 30 03:28:20 harivm26 sshd[32387]: debug2: set_newkeys: mode 0 Jan 30 03:28:20 harivm26 sshd[32387]: debug1: SSH2_MSG_NEWKEYS received Jan 30 03:28:20 harivm26 sshd[32387]: debug1: KEX done Jan 30 03:28:20 harivm26 sshd[32387]: debug1: userauth-request for user hari service ssh-connection method none Jan 30 03:28:20 harivm26 sshd[32387]: debug1: attempt 0 failures 0 Jan 30 03:28:20 harivm26 sshd[32387]: debug2: hs debug: user = hari; authctxt->user = (null) Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_getpwnamallow entering Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_send entering: type 6 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_getpwnamallow: waiting for MONITOR_ANS_PWNAM Jan 30 03:28:20 harivm26 sshd[32383]: debug3: monitor_read: checking request 6 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_receive_expect entering: type 7 Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_answer_pwnamallow Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_receive entering Jan 30 03:28:20 harivm26 sshd[32383]: debug3: Trying to reverse map address 10.204.50.21. Jan 30 03:28:20 harivm26 sshd[32383]: debug2: parse_server_config: config reprocess config len 407 Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_answer_pwnamallow: sending MONITOR_ANS_PWNAM: 1 Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_request_send entering: type 7 Jan 30 03:28:20 harivm26 sshd[32383]: debug2: monitor_read: 6 used once, disabling now Jan 30 03:28:20 harivm26 sshd[32387]: debug2: hs debug: pw = 0x809ed08 Jan 30 03:28:20 harivm26 sshd[32383]: debug3: mm_request_receive entering Jan 30 03:28:20 harivm26 sshd[32387]: debug2: input_userauth_request: setting up authctxt for hari Jan 30 03:28:20 harivm26 sshd[32387]: debug2: hs debug: starting PAM Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_start_pam entering Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_send entering: type 45 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_inform_authserv entering Jan 30 03:28:20 harivm26 sshd[32383]: debug3: monitor_read: checking request 45 Jan 30 03:28:20 harivm26 sshd[32387]: debug3: mm_request_send entering: type 3 Jan 30 03:28:20 harivm26 sshd[32383]: debug1: PAM: initializing for "hari" Jan 30 03:28:20 harivm26 sshd[32387]: debug2: hs debug: auth2_challenge_stop entering Jan 30 03:28:21 harivm26 sshd[32383]: debug1: PAM: setting PAM_RHOST to "10.204.50.21" Jan 30 03:28:21 harivm26 sshd[32387]: debug2: hs debug: auth2_challenge_stop leaving Jan 30 03:28:21 harivm26 sshd[32383]: debug1: PAM: setting PAM_TTY to "ssh" Jan 30 03:28:21 harivm26 sshd[32387]: debug2: hs debug: authmethod lookup returns 0x808a6ac Jan 30 03:28:21 harivm26 sshd[32383]: debug2: monitor_read: 45 used once, disabling now Jan 30 03:28:21 harivm26 sshd[32387]: debug2: input_userauth_request: try method none Jan 30 03:28:21 harivm26 sshd[32383]: debug3: mm_request_receive entering Jan 30 03:28:21 harivm26 sshd[32387]: debug3: mm_auth_password entering Jan 30 03:28:21 harivm26 sshd[32383]: debug3: monitor_read: checking request 3 Jan 30 03:28:21 harivm26 sshd[32387]: debug3: mm_request_send entering: type 10 Jan 30 03:28:21 harivm26 sshd[32383]: debug3: mm_answer_authserv: service=ssh-connection, style= Jan 30 03:28:21 harivm26 sshd[32387]: debug3: mm_auth_password: waiting for MONITOR_ANS_AUTHPASSWORD Jan 30 03:28:21 harivm26 sshd[32383]: debug2: monitor_read: 3 used once, disabling now Jan 30 03:28:21 harivm26 sshd[32387]: debug3: mm_request_receive_expect entering: type 11 Jan 30 03:28:21 harivm26 sshd[32383]: debug3: mm_request_receive entering Jan 30 03:28:21 harivm26 sshd[32387]: debug3: mm_request_receive entering Jan 30 03:28:21 harivm26 sshd[32383]: debug3: monitor_read: checking request 10 Jan 30 03:28:21 harivm26 sshd[32383]: debug3: mm_answer_authpassword: sending result 0 Jan 30 03:28:21 harivm26 sshd[32383]: debug3: mm_request_send entering: type 11 Jan 30 03:28:21 harivm26 sshd[32383]: Failed none for hari from 10.204.50.21 port 7804 ssh2 Jan 30 03:28:21 harivm26 sshd[32387]: debug3: mm_auth_password: user not authenticated Jan 30 03:28:21 harivm26 sshd[32383]: debug3: mm_request_receive entering Jan 30 03:28:21 harivm26 sshd[32387]: debug1: userauth-request for user hari service ssh-connection method keyboard-interactive Jan 30 03:28:21 harivm26 sshd[32387]: debug1: attempt 1 failures 1 Jan 30 03:28:21 harivm26 sshd[32387]: debug2: input_userauth_request: try method keyboard-interactive Jan 30 03:28:21 harivm26 sshd[32387]: debug1: keyboard-interactive devs Jan 30 03:28:21 harivm26 sshd[32387]: debug1: auth2_challenge: user=admindb devs= Jan 30 03:28:21 harivm26 sshd[32387]: debug1: kbdint_alloc: devices 'pam' Jan 30 03:28:21 harivm26 sshd[32387]: debug2: auth2_challenge_start: devices pam Jan 30 03:28:21 harivm26 sshd[32387]: debug2: kbdint_next_device: devices <empty> Jan 30 03:28:21 harivm26 sshd[32387]: debug1: auth2_challenge_start: trying authentication method 'pam' Jan 30 03:28:21 harivm26 sshd[32387]: debug3: PAM: sshpam_init_ctx entering Jan 30 03:28:21 harivm26 sshd[32387]: debug1: PAM: initializing for "admindb" Jan 30 03:28:21 harivm26 sshd[32387]: debug1: PAM: setting PAM_RHOST to "10.204.50.21" Jan 30 03:28:21 harivm26 sshd[32387]: debug1: PAM: setting PAM_TTY to "ssh" Jan 30 03:28:21 harivm26 sshd[32388]: debug3: PAM: sshpam_thread_conv entering, 1 messages Jan 30 03:28:21 harivm26 sshd[32387]: debug3: PAM: sshpam_query entering Jan 30 03:28:21 harivm26 sshd[32388]: debug3: ssh_msg_send: type 1 Jan 30 03:28:21 harivm26 sshd[32387]: debug3: ssh_msg_recv entering Jan 30 03:28:21 harivm26 sshd[32388]: debug3: ssh_msg_recv entering Jan 30 03:28:21 harivm26 sshd[32387]: Postponed keyboard-interactive for admindb from 10.204.50.21 port 7804 ssh2 Jan 30 03:28:23 harivm26 sshd[32387]: debug2: PAM: sshpam_respond entering, 1 responses Jan 30 03:28:23 harivm26 sshd[32387]: debug3: ssh_msg_send: type 6 Jan 30 03:28:23 harivm26 sshd[32387]: debug3: PAM: sshpam_query entering Jan 30 03:28:23 harivm26 sshd[32387]: debug3: ssh_msg_recv entering Jan 30 03:28:24 harivm26 sshd[32388]: debug1: do_pam_account: called Jan 30 03:28:24 harivm26 sshd[32388]: debug3: PAM: do_pam_account pam_acct_mgmt = 0 (Success) Jan 30 03:28:24 harivm26 sshd[32388]: debug3: ssh_msg_send: type 0 Jan 30 03:28:24 harivm26 sshd[32387]: debug3: PAM: import_environments entering Jan 30 03:28:24 harivm26 sshd[32387]: debug3: sshpam_password_change_required 0 Jan 30 03:28:24 harivm26 sshd[32387]: debug3: PAM: num env strings 48 Jan 30 03:28:24 harivm26 sshd[32387]: debug1: PAM: num PAM env strings 3 Jan 30 03:28:24 harivm26 sshd[32387]: Postponed keyboard-interactive/pam for admindb from 10.204.50.21 port 7804 ssh2 Jan 30 03:28:24 harivm26 sshd[32387]: debug2: PAM: sshpam_respond entering, 0 responses Jan 30 03:28:24 harivm26 sshd[32387]: debug2: hs debug: auth2_challenge_stop entering Jan 30 03:28:24 harivm26 sshd[32387]: debug3: PAM: sshpam_free_ctx entering Jan 30 03:28:24 harivm26 sshd[32387]: debug3: PAM: sshpam_thread_cleanup entering Jan 30 03:28:24 harivm26 sshd[32387]: debug2: hs debug: auth2_challenge_stop leaving Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_do_pam_account entering Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_request_send entering: type 46 Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_request_receive_expect entering: type 47 Jan 30 03:28:24 harivm26 sshd[32383]: debug3: monitor_read: checking request 46 Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_request_receive entering Jan 30 03:28:24 harivm26 sshd[32383]: debug1: do_pam_account: called Jan 30 03:28:24 harivm26 sshd[32383]: debug3: PAM: do_pam_account pam_acct_mgmt = 0 (Success) Jan 30 03:28:24 harivm26 sshd[32383]: debug3: mm_request_send entering: type 47 Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_do_pam_account returning 1 Jan 30 03:28:24 harivm26 sshd[32383]: fatal: monitor_child_preauth: unexpected authentication from 46 Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_send_keystate: Sending new keys: 0x809ec98 0x809ec50 Jan 30 03:28:24 harivm26 sshd[32383]: debug1: do_cleanup Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_newkeys_to_blob: converting 0x809ec98 Jan 30 03:28:24 harivm26 sshd[32393]: debug2: load_server_config: filename /asg-share/hari/p4-asg/hari-62/out/install/runtime/etc/ssh/sshd_config Jan 30 03:28:24 harivm26 sshd[32387]: debug3: mm_newkeys_to_blob: converting 0x809ec50 Now you can chat without downloading messenger. 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