Repeated login attempts to the same machine yield different results:
$ ssh -vv <email address hidden> OpenSSH_5.8p1 Debian-1ubuntu1, OpenSSL 0.9.8o 01 Jun 2010 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to albatross.python.org [82.94.164.166] port 22. debug1: Connection established. debug1: identity file /home/hildeb/.ssh/id_rsa type -1 debug1: identity file /home/hildeb/.ssh/id_rsa-cert type -1 debug2: key_type_from_name: unknown key type '-----BEGIN' debug2: key_type_from_name: unknown key type 'Proc-Type:' debug2: key_type_from_name: unknown key type 'DEK-Info:' debug2: key_type_from_name: unknown key type '-----END' debug1: identity file /home/hildeb/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 debug1: identity file /home/hildeb/.ssh/id_dsa-cert type -1 debug1: identity file /home/hildeb/.ssh/id_ecdsa type -1 debug1: identity file /home/hildeb/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.5p1 Debian-6 debug1: match: OpenSSH_5.5p1 Debian-6 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8p1 Debian-1ubuntu1 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent Read from socket failed: Connection reset by peer
but a second later:
$ ssh -vv <email address hidden> OpenSSH_5.8p1 Debian-1ubuntu1, OpenSSL 0.9.8o 01 Jun 2010 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to albatross.python.org [82.94.164.166] port 22. debug1: Connection established. debug1: identity file /home/hildeb/.ssh/id_rsa type -1 debug1: identity file /home/hildeb/.ssh/id_rsa-cert type -1 debug2: key_type_from_name: unknown key type '-----BEGIN' debug2: key_type_from_name: unknown key type 'Proc-Type:' debug2: key_type_from_name: unknown key type 'DEK-Info:' debug2: key_type_from_name: unknown key type '-----END' debug1: identity file /home/hildeb/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 debug1: identity file /home/hildeb/.ssh/id_dsa-cert type -1 debug1: identity file /home/hildeb/.ssh/id_ecdsa type -1 debug1: identity file /home/hildeb/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.5p1 Debian-6 debug1: match: OpenSSH_5.5p1 Debian-6 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8p1 Debian-1ubuntu1 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: 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: <email address hidden>,<email address hidden>,ssh-rsa,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,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,<email address hidden> 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,<email address hidden> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,<email address hidden>,hmac-ripemd160,<email address hidden>,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,<email address hidden>,hmac-ripemd160,<email address hidden>,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,<email address hidden>,zlib debug2: kex_parse_kexinit: none,<email address hidden>,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,<email address hidden> 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,<email address hidden> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,<email address hidden>,hmac-ripemd160,<email address hidden>,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,<email address hidden>,hmac-ripemd160,<email address hidden>,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,<email address hidden> debug2: kex_parse_kexinit: none,<email address hidden> 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: found hmac-md5 debug1: kex: server->client aes128-ctr hmac-md5 none debug2: mac_setup: found hmac-md5 debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP Read from socket failed: Connection reset by peer
Repeated login attempts to the same machine yield different results:
$ ssh -vv <email address hidden> python. org [82.94.164.166] port 22. .ssh/id_ rsa type -1 .ssh/id_ rsa-cert type -1 .ssh/id_ dsa type 2 ssh/blacklist. DSA-1024 blacklist. DSA-1024 .ssh/id_ dsa-cert type -1 .ssh/id_ ecdsa type -1 .ssh/id_ ecdsa-cert type -1 OpenSSH_ 5.8p1 Debian-1ubuntu1
OpenSSH_5.8p1 Debian-1ubuntu1, OpenSSL 0.9.8o 01 Jun 2010
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to albatross.
debug1: Connection established.
debug1: identity file /home/hildeb/
debug1: identity file /home/hildeb/
debug2: key_type_from_name: unknown key type '-----BEGIN'
debug2: key_type_from_name: unknown key type 'Proc-Type:'
debug2: key_type_from_name: unknown key type 'DEK-Info:'
debug2: key_type_from_name: unknown key type '-----END'
debug1: identity file /home/hildeb/
debug1: Checking blacklist file /usr/share/
debug1: Checking blacklist file /etc/ssh/
debug1: identity file /home/hildeb/
debug1: identity file /home/hildeb/
debug1: identity file /home/hildeb/
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.5p1 Debian-6
debug1: match: OpenSSH_5.5p1 Debian-6 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-
debug2: fd 3 setting O_NONBLOCK
debug1: SSH2_MSG_KEXINIT sent
Read from socket failed: Connection reset by peer
but a second later:
$ ssh -vv <email address hidden> python. org [82.94.164.166] port 22. .ssh/id_ rsa type -1 .ssh/id_ rsa-cert type -1 .ssh/id_ dsa type 2 ssh/blacklist. DSA-1024 blacklist. DSA-1024 .ssh/id_ dsa-cert type -1 .ssh/id_ ecdsa type -1 .ssh/id_ ecdsa-cert type -1 OpenSSH_ 5.8p1 Debian-1ubuntu1 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 ,ssh-rsa, <email address hidden>,<email address hidden>,<email address hidden>,<email address hidden>,<email address hidden> ,ecdsa- sha2-nistp256, ecdsa-sha2- nistp384, ecdsa-sha2- nistp521, ssh-dss ctr,aes192- ctr,aes256- ctr,arcfour256, arcfour128, aes128- cbc,3des- cbc,blowfish- cbc,cast128- cbc,aes192- cbc,aes256- cbc,arcfour, <email address hidden> ctr,aes192- ctr,aes256- ctr,arcfour256, arcfour128, aes128- cbc,3des- cbc,blowfish- cbc,cast128- cbc,aes192- cbc,aes256- cbc,arcfour, <email address hidden> hmac-sha1, <email address hidden> ,hmac-ripemd160 ,<email address hidden> ,hmac-sha1- 96,hmac- md5-96 hmac-sha1, <email address hidden> ,hmac-ripemd160 ,<email address hidden> ,hmac-sha1- 96,hmac- md5-96 hellman- group-exchange- sha256, diffie- hellman- group-exchange- sha1,diffie- hellman- group14- sha1,diffie- hellman- group1- sha1 ctr,aes192- ctr,aes256- ctr,arcfour256, arcfour128, aes128- cbc,3des- cbc,blowfish- cbc,cast128- cbc,aes192- cbc,aes256- cbc,arcfour, <email address hidden> ctr,aes192- ctr,aes256- ctr,arcfour256, arcfour128, aes128- cbc,3des- cbc,blowfish- cbc,cast128- cbc,aes192- cbc,aes256- cbc,arcfour, <email address hidden> hmac-sha1, <email address hidden> ,hmac-ripemd160 ,<email address hidden> ,hmac-sha1- 96,hmac- md5-96 hmac-sha1, <email address hidden> ,hmac-ripemd160 ,<email address hidden> ,hmac-sha1- 96,hmac- md5-96 KEX_DH_ GEX_REQUEST( 1024<1024< 8192) sent KEX_DH_ GEX_GROUP
OpenSSH_5.8p1 Debian-1ubuntu1, OpenSSL 0.9.8o 01 Jun 2010
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to albatross.
debug1: Connection established.
debug1: identity file /home/hildeb/
debug1: identity file /home/hildeb/
debug2: key_type_from_name: unknown key type '-----BEGIN'
debug2: key_type_from_name: unknown key type 'Proc-Type:'
debug2: key_type_from_name: unknown key type 'DEK-Info:'
debug2: key_type_from_name: unknown key type '-----END'
debug1: identity file /home/hildeb/
debug1: Checking blacklist file /usr/share/
debug1: Checking blacklist file /etc/ssh/
debug1: identity file /home/hildeb/
debug1: identity file /home/hildeb/
debug1: identity file /home/hildeb/
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.5p1 Debian-6
debug1: match: OpenSSH_5.5p1 Debian-6 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-
debug2: fd 3 setting O_NONBLOCK
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit: ecdh-sha2-
debug2: kex_parse_kexinit: <email address hidden>,<email address hidden>
debug2: kex_parse_kexinit: aes128-
debug2: kex_parse_kexinit: aes128-
debug2: kex_parse_kexinit: hmac-md5,
debug2: kex_parse_kexinit: hmac-md5,
debug2: kex_parse_kexinit: none,<email address hidden>,zlib
debug2: kex_parse_kexinit: none,<email address hidden>,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-
debug2: kex_parse_kexinit: ssh-rsa,ssh-dss
debug2: kex_parse_kexinit: aes128-
debug2: kex_parse_kexinit: aes128-
debug2: kex_parse_kexinit: hmac-md5,
debug2: kex_parse_kexinit: hmac-md5,
debug2: kex_parse_kexinit: none,<email address hidden>
debug2: kex_parse_kexinit: none,<email address hidden>
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: found hmac-md5
debug1: kex: server->client aes128-ctr hmac-md5 none
debug2: mac_setup: found hmac-md5
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_
debug1: expecting SSH2_MSG_
Read from socket failed: Connection reset by peer