[EMAIL PROTECTED] schrieb: > starting a while ago I can no longer ssh into my box anymore. I have tried > anything I can think of and have no clue anymore. Needless to say that I > realy need ssh to access my work from remote places. > > Problem: > When I ssh -vvv to my server the connection hangs after > debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
UPDATE: I have noticed that portforwarding is some sort of workaround. Since I can conect from client to box but not the other direction I have set up a port forwarding for the other direction. [EMAIL PROTECTED]:~>$ ssh -R 10000:localhost:22 [EMAIL PROTECTED] Even though [EMAIL PROTECTED]:~> ssh [EMAIL PROTECTED] # doesnt work doenst work, using the setup portforwarding it strangle works [EMAIL PROTECTED]:~> ssh -p 10000 [EMAIL PROTECTED] # works I realy appriciate some experts knowledge since this is way to strange/difficult for me. > System: > I'm using Debian with openssh-server (1:4.3p2-8) > sshd: OpenSSH_4.3p2 Debian-8, OpenSSL 0.9.8c 05 Sep 2006 > uname -a: Linux server 2.6.18-3-686 #1 SMP Mon Dec 4 16:41:14 UTC 2006 i686 > GNU/Linux > > What I tried: > I have recompiled a recent openssh from source on the client with now > success. (I have no root access on the client and they use an older version > of ssh) > > I have booted grml (grml.org, a live linux cd) on my server and tried to > connect to the sshd running from cd in order have a fresh sshd on my server. > > I have purged and reinstalled openssh-server to get a fresh configuration. > > I _can_ connect with putty on a windows client. > > I hope you can help me, and thank you for your consideration. > > === Client Log === > > [EMAIL PROTECTED]:~> ssh -vvv [EMAIL PROTECTED] > OpenSSH_3.8.1p1 Debian-8.sarge.6, OpenSSL 0.9.7e 25 Oct 2004 > debug1: Reading configuration data /etc/ssh/ssh_config > debug2: ssh_connect: needpriv 0 > debug1: Connecting to server [x.x.x.x] port 22. > debug1: Connection established. > debug1: read PEM private key done: type DSA > debug1: read PEM private key done: type RSA > debug1: identity file /home/mw/.ssh/identity type -1 > debug1: identity file /home/mw/.ssh/id_rsa type -1 > debug1: identity file /home/mw/.ssh/id_dsa type -1 > debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3p2 > Debian-8 > debug1: match: OpenSSH_4.3p2 Debian-8 pat OpenSSH* > debug1: Enabling compatibility mode for protocol 2.0 > debug1: Local version string SSH-2.0-OpenSSH_3.8.1p1 Debian-8.sarge.6 > debug1: SSH2_MSG_KEXINIT sent > debug1: SSH2_MSG_KEXINIT received > debug2: kex_parse_kexinit: > diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 > debug2: kex_parse_kexinit: ssh-rsa,ssh-dss > debug2: kex_parse_kexinit: > aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr > debug2: kex_parse_kexinit: > aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr > debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL > PROTECTED],hmac-sha1-96,hmac-md5-96 > debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL > PROTECTED],hmac-sha1-96,hmac-md5-96 > debug2: kex_parse_kexinit: none,zlib > debug2: kex_parse_kexinit: none,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-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 > debug2: kex_parse_kexinit: ssh-rsa,ssh-dss > debug2: kex_parse_kexinit: > aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr > debug2: kex_parse_kexinit: > aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL > PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr > debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL > PROTECTED],hmac-sha1-96,hmac-md5-96 > debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL > PROTECTED],hmac-sha1-96,hmac-md5-96 > debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] > debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] > debug2: kex_parse_kexinit: > debug2: kex_parse_kexinit: > 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 > -- and it hangs here and stays forever > > === Server Log === > > server:~# /usr/sbin/sshd -D -d -d -d -e > debug2: load_server_config: filename /etc/ssh/sshd_config > debug2: load_server_config: done config len = 638 > debug2: parse_server_config: config /etc/ssh/sshd_config len 638 > debug1: sshd version OpenSSH_4.3p2 Debian-8 > debug3: Not a RSA1 key file /etc/ssh/ssh_host_rsa_key. > debug1: read PEM private key done: type RSA > debug1: private host key: #0 type 1 RSA > debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key. > debug1: read PEM private key done: type DSA > debug1: private host key: #1 type 2 DSA > debug1: rexec_argv[0]='/usr/sbin/sshd' > debug1: rexec_argv[1]='-D' > debug1: rexec_argv[2]='-d' > debug1: rexec_argv[3]='-d' > debug1: rexec_argv[4]='-d' > debug1: rexec_argv[5]='-e' > debug2: fd 3 setting O_NONBLOCK > debug1: Bind to port 22 on ::. > Server listening on :: port 22. > debug2: fd 4 setting O_NONBLOCK > debug1: Bind to port 22 on 0.0.0.0. > > debug3: fd 4 is not O_NONBLOCK > debug1: Server will not fork when running in debugging mode. > debug3: send_rexec_state: entering fd = 7 config len 638 > debug3: ssh_msg_send: type 0 > debug3: send_rexec_state: done > debug1: rexec start in 4 out 4 newsock 4 pipe -1 sock 7 > debug3: recv_rexec_state: entering fd = 5 > debug3: ssh_msg_recv entering > debug3: recv_rexec_state: done > debug2: parse_server_config: config rexec len 638 > debug1: sshd version OpenSSH_4.3p2 Debian-8 > debug3: Not a RSA1 key file /etc/ssh/ssh_host_rsa_key. > debug1: read PEM private key done: type RSA > debug1: private host key: #0 type 1 RSA > debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key. > debug1: read PEM private key done: type DSA > debug1: private host key: #1 type 2 DSA > debug1: inetd sockets after dupping: 3, 3 > debug3: Normalising mapped IPv4 in IPv6 address > Connection from 139.18.9.23 port 4381 > debug1: Client protocol version 2.0; client software version OpenSSH_3.8.1p1 > Debian-8.sarge.6 > debug1: match: OpenSSH_3.8.1p1 Debian-8.sarge.6 pat OpenSSH_3.* > debug1: Enabling compatibility mode for protocol 2.0 > debug1: Local version string SSH-2.0-OpenSSH_4.3p2 Debian-8 > debug2: fd 3 setting O_NONBLOCK > debug3: privsep user:group 103:65534 > debug1: permanently_set_uid: 103/65534 > debug1: list_hostkey_types: ssh-rsa,ssh-dss > debug1: SSH2_MSG_KEXINIT sent > debug2: Network child is on pid 4713 > debug3: preauth child monitor started > debug3: mm_request_receive entering >
