It's not really an answer, this bug has been around in ssh for a year or so already ... dropbear doesn't have this issue or older versions of ssh ... they don't crash , it should have been fixed by now.
On 21 December 2012 18:44, Andrew Schulman <launchpad-and...@sneakemail.com>wrote: > Multiple commenters (#19, #43) have posted the workaround. In my > ~/ssh/.config I now have > > Host * > # Workaround for the dreaded 'connection reset by peer' bug, openssh >=5.7: > Ciphers aes128-ctr,aes192-ctr,aes256-ctr > > and I no longer see this problem. > > -- > 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 > -- Regards Gary Cell 083-391-4914 Fax 086-655-3146 -- 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
