Thank you Jakub for the reply. Looking forward to get help/pointers on this issue.
Below is the output, OpenSSH_7.2p2, OpenSSL 1.0.1e-fips 11 Feb 2013 debug1: Reading configuration data /root/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug2: resolving "192.168.19.11" port 22 debug2: ssh_connect_direct: needpriv 0 debug1: Connecting to 192.168.19.11 [192.168.19.11] port 22. debug1: Connection established. debug1: permanently_set_uid: 0/0 debug1: key_load_public: No such file or directory debug1: identity file /root/.ssh/id_rsa type -1 debug1: key_load_public: No such file or directory debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: key_load_public: No such file or directory debug1: identity file /root/.ssh/id_dsa type -1 debug1: key_load_public: No such file or directory debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: key_load_public: No such file or directory debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: key_load_public: No such file or directory debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: key_load_public: No such file or directory debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: key_load_public: No such file or directory 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_7.2 debug1: Remote protocol version 1.99, remote software version OpenSSH_3.5p1 debug1: match: OpenSSH_3.5p1 pat OpenSSH_3.* compat 0x01000000 debug2: fd 3 setting O_NONBLOCK debug1: Authenticating to 192.168.19.11:22 as 'qwerty' debug3: hostkeys_foreach: reading file "/root/.ssh/known_hosts" debug3: record_hostkey: found key type RSA in file /root/.ssh/known_hosts:2 debug3: load_hostkeys: loaded 1 keys from 192.168.19.11 debug3: order_hostkeyalgs: prefer hostkeyalgs: <email address hidden>,rsa-sha2-512,rsa-sha2-256,ssh-rsa debug3: send packet: type 20 debug1: SSH2_MSG_KEXINIT sent debug3: receive packet: type 20 debug1: SSH2_MSG_KEXINIT received debug2: local client KEXINIT proposal debug2: KEX algorithms: <email address hidden>,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,ext-info-c debug2: host key algorithms: <email address hidden>,rsa-sha2-512,rsa-sha2-256,ssh-rsa,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519 debug2: ciphers ctos: <email address hidden>,aes128-ctr,aes192-ctr,aes256-ctr,<email address hidden>,<email address hidden>,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc debug2: ciphers stoc: <email address hidden>,aes128-ctr,aes192-ctr,aes256-ctr,<email address hidden>,<email address hidden>,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc debug2: MACs ctos: <email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,hmac-sha2-256,hmac-sha2-512,hmac-sha1 debug2: MACs stoc: <email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,hmac-sha2-256,hmac-sha2-512,hmac-sha1 debug2: compression ctos: none,<email address hidden>,zlib debug2: compression stoc: none,<email address hidden>,zlib debug2: languages ctos: debug2: languages stoc: debug2: first_kex_follows 0 debug2: reserved 0 debug2: peer server KEXINIT proposal debug2: KEX algorithms: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 debug2: host key algorithms: ssh-rsa,ssh-dss debug2: ciphers ctos: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,<email address hidden> debug2: ciphers stoc: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,<email address hidden> debug2: MACs ctos: hmac-md5,hmac-sha1,hmac-ripemd160,<email address hidden>,hmac-sha1-96,hmac-md5-96 debug2: MACs stoc: hmac-md5,hmac-sha1,hmac-ripemd160,<email address hidden>,hmac-sha1-96,hmac-md5-96 debug2: compression ctos: none debug2: compression stoc: none debug2: languages ctos: debug2: languages stoc: debug2: first_kex_follows 0 debug2: reserved 0 debug1: kex: algorithm: diffie-hellman-group-exchange-sha1 debug1: kex: host key algorithm: ssh-rsa debug1: kex: server->client cipher: aes128-cbc MAC: hmac-sha1 compression: none debug1: kex: client->server cipher: aes128-cbc MAC: hmac-sha1 compression: none debug3: send packet: type 34 debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(2048<7680<8192) sent debug3: receive packet: type 31 debug1: got SSH2_MSG_KEX_DH_GEX_GROUP ssh_dispatch_run_fatal: Connection to 192.168.19.11 port 22: DH GEX group out of range
Thank you Jakub for the reply. Looking forward to get help/pointers on this issue.
Below is the output, set_uid: 0/0 ssh/id_ rsa-cert type -1 ssh/id_ dsa-cert type -1 ssh/id_ ecdsa-cert type -1 ssh/id_ ed25519 type -1 ssh/id_ ed25519- cert type -1 .ssh/known_ hosts" ssh/known_ hosts:2 ,rsa-sha2- 512,rsa- sha2-256, ssh-rsa ,ecdh-sha2- nistp256, ecdh-sha2- nistp384, ecdh-sha2- nistp521, diffie- hellman- group-exchange- sha256, diffie- hellman- group-exchange- sha1,diffie- hellman- group14- sha1,ext- info-c ,rsa-sha2- 512,rsa- sha2-256, ssh-rsa, <email address hidden>,<email address hidden>,<email address hidden>,<email address hidden> ,ecdsa- sha2-nistp256, ecdsa-sha2- nistp384, ecdsa-sha2- nistp521, ssh-ed25519 ,aes128- ctr,aes192- ctr,aes256- ctr,<email address hidden>,<email address hidden> ,aes128- cbc,aes192- cbc,aes256- cbc,3des- cbc ,aes128- ctr,aes192- ctr,aes256- ctr,<email address hidden>,<email address hidden> ,aes128- cbc,aes192- cbc,aes256- cbc,3des- cbc ,hmac-sha2- 256,hmac- sha2-512, hmac-sha1 ,hmac-sha2- 256,hmac- sha2-512, hmac-sha1 hellman- group-exchange- sha1,diffie- hellman- group1- sha1 cbc,3des- cbc,blowfish- cbc,cast128- cbc,arcfour, aes192- cbc,aes256- cbc,<email address hidden> cbc,3des- cbc,blowfish- cbc,cast128- cbc,arcfour, aes192- cbc,aes256- cbc,<email address hidden> hmac-sha1, hmac-ripemd160, <email address hidden> ,hmac-sha1- 96,hmac- md5-96 hmac-sha1, hmac-ripemd160, <email address hidden> ,hmac-sha1- 96,hmac- md5-96 hellman- group-exchange- sha1 KEX_DH_ GEX_REQUEST( 2048<7680< 8192) sent KEX_DH_ GEX_GROUP run_fatal: Connection to 192.168.19.11 port 22: DH GEX group out of range
OpenSSH_7.2p2, OpenSSL 1.0.1e-fips 11 Feb 2013
debug1: Reading configuration data /root/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug2: resolving "192.168.19.11" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to 192.168.19.11 [192.168.19.11] port 22.
debug1: Connection established.
debug1: permanently_
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_rsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.
debug1: key_load_public: No such file or directory
debug1: identity file /root/.
debug1: key_load_public: No such file or directory
debug1: identity file /root/.
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.2
debug1: Remote protocol version 1.99, remote software version OpenSSH_3.5p1
debug1: match: OpenSSH_3.5p1 pat OpenSSH_3.* compat 0x01000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to 192.168.19.11:22 as 'qwerty'
debug3: hostkeys_foreach: reading file "/root/
debug3: record_hostkey: found key type RSA in file /root/.
debug3: load_hostkeys: loaded 1 keys from 192.168.19.11
debug3: order_hostkeyalgs: prefer hostkeyalgs: <email address hidden>
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: <email address hidden>
debug2: host key algorithms: <email address hidden>
debug2: ciphers ctos: <email address hidden>
debug2: ciphers stoc: <email address hidden>
debug2: MACs ctos: <email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>
debug2: MACs stoc: <email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>
debug2: compression ctos: none,<email address hidden>,zlib
debug2: compression stoc: none,<email address hidden>,zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: diffie-
debug2: host key algorithms: ssh-rsa,ssh-dss
debug2: ciphers ctos: aes128-
debug2: ciphers stoc: aes128-
debug2: MACs ctos: hmac-md5,
debug2: MACs stoc: hmac-md5,
debug2: compression ctos: none
debug2: compression stoc: none
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: diffie-
debug1: kex: host key algorithm: ssh-rsa
debug1: kex: server->client cipher: aes128-cbc MAC: hmac-sha1 compression: none
debug1: kex: client->server cipher: aes128-cbc MAC: hmac-sha1 compression: none
debug3: send packet: type 34
debug1: SSH2_MSG_
debug3: receive packet: type 31
debug1: got SSH2_MSG_
ssh_dispatch_