This is a repost. The first post did not seem to arrive at the list.
-----
I am trying to ssh from a Mac OS client to a RHEL 4 server, fully
patched. It
appears that doing an "ssh -X" no longer works, while "ssh" alone
does.
This
is the debug info...
$ ssh -X -vvv my.remote.ssh.server
debug1: Reading configuration data /etc/ssh_config
debug2: ssh_connect: needpriv 0
debug1: Connecting to my.remote.ssh.server port 22.
debug1: Connection established.
debug1: identity file /Users/me/.ssh/identity type -1
debug1: identity file /Users/me/.ssh/id_rsa type -1
debug1: identity file /Users/me/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version
OpenSSH_3.9p1
debug1: match: OpenSSH_3.9p1 pat OpenSSH_3.*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.2
debug2: fd 3 setting O_NONBLOCK
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
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-c
bc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-
cbc@l
ysator.liu.se
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,
3des-c
bc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-
cbc@l
ysator.liu.se
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,umac-64@xxxxxxxxxxx,hmac-ripemd160,hmac-
ripemd160@ope
nssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,umac-64@xxxxxxxxxxx,hmac-ripemd160,hmac-
ripemd160@ope
nssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib@xxxxxxxxxxx,zlib
debug2: kex_parse_kexinit: none,zlib@xxxxxxxxxxx,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-he
llman-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-c
bc,rijndael-cbc@xxxxxxxxxxxxxx,aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit:
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-
cbc,aes256-c
bc,rijndael-cbc@xxxxxxxxxxxxxx,aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@xxxxxxxxxxx,hmac-
sha1-9
6,hmac-md5-96
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@xxxxxxxxxxx,hmac-
sha1-9
6,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: 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
debug2: dh_gen_key: priv key bits set: 128/256
debug2: bits set: 518/1024
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug3: check_host_in_hostfile: filename /Users/me/.ssh/known_hosts
debug3: check_host_in_hostfile: match line 2
debug3: check_host_in_hostfile: filename /Users/me/.ssh/known_hosts
debug3: check_host_in_hostfile: match line 2
debug1: Host my.remote.ssh.server' is known and matches the RSA host
key.
debug1: Found key in /Users/me/.ssh/known_hosts:2
debug2: bits set: 529/1024
debug1: ssh_rsa_verify: signature correct
debug2: kex_derive_keys
debug2: set_newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug2: set_newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug2: key: /Users/me/.ssh/identity (0x0)
debug2: key: /Users/me/.ssh/id_rsa (0x0)
debug2: key: /Users/me/.ssh/id_dsa (0x0)
debug3: input_userauth_banner
You are accessing ...
debug1: Authentications that can continue:
publickey,gssapi-with-mic,password
debug3: start over, passed a different list
publickey,gssapi-with-mic,password
debug3: preferred publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /Users/me/.ssh/identity
debug3: no such identity: /Users/me/.ssh/identity
debug1: Trying private key: /Users/me/.ssh/id_rsa
debug3: no such identity: /Users/me/.ssh/id_rsa
debug1: Trying private key: /Users/me/.ssh/id_dsa
debug3: no such identity: /Users/me/.ssh/id_dsa
debug2: we did not send a packet, disable method
debug3: authmethod_lookup password
debug3: remaining preferred: ,password
debug3: authmethod_is_enabled password
debug1: Next authentication method: password me@xxxxxxxxxxxxxxxxxxxx
password:
debug3: packet_send2: adding 48 (len 70 padlen 10 extra_pad 64)
debug2: we sent a password packet, wait for reply
debug1: Authentication succeeded (password).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug1: Entering interactive session.
debug2: callback start
debug2: x11_get_proto: /usr/X11R6/bin/xauth -f
/tmp/ssh-nuslXLF8ZI/xauthfile
generate /tmp/launch-CmH9LX/:0
MIT-MAGIC-COOKIE-1 untrusted timeout 1200 2>/dev/null
This is as far as it got before it failed. Can anyone tell me why?
Is it
maybe
having problems with writing to the /tmp directory?
Something has changed recently. I was able to do this several months
ago, and
no configuration files have changed on the server. In the
/etc/ssh/sshd_config
file, I have set
X11Forwarding yes
And just added
X11UseLocalhost No, but that didn't help.
Any ideas?
-----
Bill Tangren
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