Why are you testing a NATED address from the same server ( client and server ) ?
Do you get the same problem when connecting via the NATED address from the outside network ... using a different client machine from outside ? On 20 February 2015 at 20:43, Gary Salisbury <gary.r.salisb...@gmail.com> wrote: > Did this used to work .... ? > > This bug is due to a ssh version change ... > > Sounds like you may have a firewall issue, if you are trying to connect > via a nated connection for the 1st time. > > Use tcpdump on your server ... and analyze the traffic on port 22 > > Compare the traffic, when you connect locally and then via the nated > connection. > > Use the verbose settings of ssh to get more information .... before > posting again .. > > > > > > > > > > On 20 February 2015 at 20:25, Mike <smart...@gmail.com> wrote: > >> Thanks, but a specific client is not an option. I need to connect with any >> client from different systems. The flow I described is for problem >> isolation only. Putty cannot connect either. >> >> On Fri Feb 20 2015 at 18:31:15 Gary Salisbury <708...@bugs.launchpad.net> >> wrote: >> >> > Use dbclient ... >> > >> > On 20 February 2015 at 19:07, Mike <smart...@gmail.com> wrote: >> > >> > > Hello, >> > > Not sure it is the same problem here, but I cannot connect to my >> machine >> > > if go through NAT. >> > ... >> >> -- >> You received this bug notification because you are subscribed to the bug >> report. >> https://bugs.launchpad.net/bugs/708493 >> >> Title: >> Can't login anymore: Read from socket failed: Connection reset by peer >> >> Status in openssh package in Ubuntu: >> Confirmed >> Status in openssh package in Debian: >> New >> >> Bug description: >> After todays update to >> 1:5.7p1-1ubuntu1 >> I cannot login to SOME (!) of my servers. Example of a server failing: >> >> ~$ ssh -v root@mail >> OpenSSH_5.7p1 Debian-1ubuntu1, OpenSSL 0.9.8o 01 Jun 2010 >> debug1: Reading configuration data /home/hildeb/.ssh/config >> debug1: Reading configuration data /etc/ssh/ssh_config >> debug1: Applying options for * >> debug1: Connecting to mail [141.42.202.200] 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 >> 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 1.99, 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_5.7p1 Debian-1ubuntu1 >> debug1: SSH2_MSG_KEXINIT sent >> debug1: SSH2_MSG_KEXINIT received >> debug1: kex: server->client aes128-ctr hmac-md5 none >> 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 >> >> There is NOTHING in daemon.log, auth.log or syslog on the server I'm >> trying to connect to. >> >> Example of a server NOT failing: >> >> $ ssh -v root@netsight >> OpenSSH_5.7p1 Debian-1ubuntu1, OpenSSL 0.9.8o 01 Jun 2010 >> debug1: Reading configuration data /home/hildeb/.ssh/config >> debug1: Reading configuration data /etc/ssh/ssh_config >> debug1: Applying options for * >> debug1: Connecting to netsight [10.47.2.222] 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 >> 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_5.7p1 Debian-1ubuntu1 >> debug1: SSH2_MSG_KEXINIT sent >> debug1: SSH2_MSG_KEXINIT received >> debug1: kex: server->client aes128-ctr hmac-md5 none >> 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 >> debug1: SSH2_MSG_KEX_DH_GEX_INIT sent >> debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY >> debug1: Server host key: RSA >> 18:ce:76:c7:7c:f4:98:94:28:8f:62:4a:31:e8:5b:c9 >> debug1: Host 'netsight' is known and matches the RSA host key. >> debug1: Found key in /home/hildeb/.ssh/known_hosts:56 >> debug1: ssh_rsa_verify: signature correct >> debug1: SSH2_MSG_NEWKEYS sent >> debug1: expecting SSH2_MSG_NEWKEYS >> debug1: SSH2_MSG_NEWKEYS received >> debug1: Roaming not allowed by server >> debug1: SSH2_MSG_SERVICE_REQUEST sent >> debug1: SSH2_MSG_SERVICE_ACCEPT received >> debug1: Authentications that can continue: >> publickey,keyboard-interactive >> debug1: Next authentication method: publickey >> debug1: Offering DSA public key: /home/hildeb/.ssh/id_dsa >> debug1: Server accepts key: pkalg ssh-dss blen 433 >> debug1: Authentication succeeded (publickey). >> Authenticated to netsight ([10.47.2.222]:22). >> debug1: channel 0: new [client-session] >> debug1: Requesting no-more-sessi...@openssh.com >> debug1: Entering interactive session. >> debug1: Sending environment. >> debug1: Sending env LC_MESSAGES = en_US.utf8 >> debug1: Sending env LANG = de_DE.UTF-8 >> >> ProblemType: Bug >> DistroRelease: Ubuntu 11.04 >> Package: openssh-client 1:5.7p1-1ubuntu1 >> ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37 >> Uname: Linux 2.6.37-12-generic x86_64 >> Architecture: amd64 >> Date: Thu Jan 27 09:13:15 2011 >> ProcEnviron: >> LANGUAGE=en_US:en >> LANG=de_DE.UTF-8 >> LC_MESSAGES=en_US.utf8 >> SHELL=/bin/bash >> RelatedPackageVersions: >> ssh-askpass N/A >> libpam-ssh N/A >> keychain N/A >> ssh-askpass-gnome 1:5.7p1-1ubuntu1 >> SSHClientVersion: OpenSSH_5.7p1 Debian-1ubuntu1, OpenSSL 0.9.8o 01 Jun >> 2010 >> SourcePackage: openssh >> >> To manage notifications about this bug go to: >> >> https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/708493/+subscriptions >> > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/708493 Title: Can't login anymore: Read from socket failed: Connection reset by peer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/708493/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
