Server might be getting DOS'd. Tweak MaxStartups in sshd_conf
Ken. ________________________________ From: Paolo Stancato <paolodo...@yahoo.com.ar> To: tommymcgui...@yahoo.com.au Sent: Monday, 1 June, 2009 10:22:11 AM Subject: [Bug 174168] Re: expecting SSH2_MSG_KEX_DH_GEX_GROUP Same problem trying to connect to Github, MTU trick did not help. I'm running Jaunty pa...@darkstar:~$ uname -a Linux darkstar 2.6.28-12-generic #43-Ubuntu SMP Fri May 1 19:31:32 UTC 2009 x86_64 GNU/Linux pa...@darkstar:~$ ssh -v g...@github.com OpenSSH_5.1p1 Debian-5ubuntu1, OpenSSL 0.9.8g 19 Oct 2007 debug1: Reading configuration data /home/paolo/.ssh/config debug1: Applying options for * debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to github.com [65.74.177.129] port 22. debug1: Connection established. debug1: identity file /home/paolo/.ssh/identity type -1 debug1: identity file /home/paolo/.ssh/id_rsa type -1 debug1: identity file /home/paolo/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-2048 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-2048 debug1: Remote protocol version 2.0, remote software version OpenSSH_4.7 debug1: match: OpenSSH_4.7 pat OpenSSH_4* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-5ubuntu1 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-cbc hmac-md5 none debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP Connection closed by 65.74.177.129 -- expecting SSH2_MSG_KEX_DH_GEX_GROUP https://bugs.launchpad.net/bugs/174168 You received this bug notification because you are a direct subscriber of the bug. Status in “openssh” source package in Ubuntu: Invalid Bug description: Server Connected to xxxxxxxx Escape character is '^]'. SSH-2.0-OpenSSH_4.5 Client Local version string SSH-2.0-OpenSSH_4.6p1 Debian-5build1 ========================= The client can not log into the server - stops @ the last line (see below) Client / server "speak" ver. 2.0 Connection server to client OK !!! Connection client to server NOT OK!! debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_init: found hmac-md5 debug1: kex: server->client aes128-cbc hmac-md5 none debug2: mac_init: found hmac-md5 debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP Need a Holiday? Win a $10,000 Holiday of your choice. Enter now.http://us.lrd.yahoo.com/_ylc=X3oDMTJxN2x2ZmNpBF9zAzIwMjM2MTY2MTMEdG1fZG1lY2gDVGV4dCBMaW5rBHRtX2xuawNVMTEwMzk3NwR0bV9uZXQDWWFob28hBHRtX3BvcwN0YWdsaW5lBHRtX3BwdHkDYXVueg--/SIG=14600t3ni/**http%3A//au.rd.yahoo.com/mail/tagline/creativeholidays/*http%3A//au.docs.yahoo.com/homepageset/%3Fp1=other%26p2=au%26p3=mailtagline -- expecting SSH2_MSG_KEX_DH_GEX_GROUP https://bugs.launchpad.net/bugs/174168 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs