SCP fails while ssh works...

[Quintin Riis]

Are you using bash ?

If ~/.bashrc generates ANY output, it WILL break the scp and rcp commands.

		Quintin

twig les wrote:

> Hey all, I have to identical boxes running 4.6 and all of a
> sudden one stopped taking SCP even though it still takes ssh
> connections.  The other box is still working fine and they are
> on the same subnet.  The only thing I could find online about
> this is an MTU mismatch which makes no sense in this situation. 
> I can bounce the sshd proc when I get someone on site since
> these are in a different state.  The "-v" outputs are below,
> snipped for clari/brevity.  Notice the bad guy's (booo, hiss
> hiss) inability to form a complete connection.
> 
> GOOD CONNECTION:
> debug: SshConfig/sshconfig.c:2232/ssh2_parse_config: Unable to
> open /opt/home/ktokash/.ssh2/identification
> debug: Ssh2AuthClient/sshauthc.c:316/ssh_authc_completion_proc:
> Method 'publickey' disabled.
> debug: server offers auth methods
> 'publickey,password,keyboard-interactive'.
> debug:
> Ssh2AuthPasswdClient/authc-passwd.c:95/ssh_client_auth_passwd:
> Starting password query...
> ktokash at mas02's password: 
> debug: Ssh2Common/sshcommon.c:286/ssh_common_special: Received
> SSH_CROSS_AUTHENTICATED packet from connection protocol.
> debug: Ssh2/ssh2.c:646/client_authentication_notify: Returning
> user input stream to original values.
> scp:SshFCTransfer/sshfc_transfer.c:1592/transfer_stat_before_rm_cb:
> No connection yet. Waiting...
> debug: Ssh2Common/sshcommon.c:829/ssh_common_new_channel:
> num_channels now 1
> debug:
> SshTtyFlags/sshttyflags.c:354/ssh_internal_encode_tty_flags: Not
> a tty. (fd = 0)
> scp:SshFCTransfer/sshfc_transfer.c:1866/transfer_rm_dest:
> Removing destination file ./snortrules-stable.tar.gz .
> scp:SshFCTransferCore/sshfc_trcore.c:125/transfer_start:
> Starting transfer for file snortrules-stable.tar.gz, destination
> ./snortrules-stable.tar.gz
> snortrules-stable.tar.gz                                        
>                                                  |  211kB |
> 211.2 kB/s | TOC: 00:00:01 | 100%
> scp:SshFCTransfer/sshfc_transfer.c:2489/transfer_one_done:
> Finished with file ./snortrules-stable.tar.gz.
> scp:Scp2/scp2.c:706/transfer_ready_cb: Received error SSH_FC_OK,
> error message .
> scp:Scp2/scp2.c:867/scp_transfer: Transfer ready
> scp:ssh_pipe_stream_destroy
> scp:SshAppCommon/sshappcommon.c:146/ssh_app_free_global_regex_context:
> Freeing global SshRegex context.
> debug:
> SshConnection/sshconn.c:405/ssh_conn_send_channel_data_type: EOF
> from channel stream
> cge01% debug:
> SshConnection/sshconn.c:667/ssh_conn_channel_write: EOF received
> on write from channel 0x207570, extended stream 0.
> debug:
> Ssh2ChannelSession/sshchsession.c:1716/ssh_channel_session_request_exit_status:
> received exit status : 0
> debug: Ssh2Common/sshcommon.c:803/ssh_common_destroy_channel:
> num_channels now 0
> debug: Got session close with exit_status=0
> debug: destroying client struct...
> debug: Ssh2Client/sshclient.c:1478/ssh_client_destroy:
> Destroying client.
> debug: SshConfig/sshconfig.c:537/ssh_config_pki_free: Freeing
> pki. (host_pki != NULL, user_pki = NULL)
> debug: SshConnection/sshconn.c:1982/ssh_conn_destroy: Destroying
> SshConn object.
> debug: Ssh2Client/sshclient.c:1540/ssh_client_destroy_finalize:
> Destroying client completed.
> debug:
> SshAuthMethodClient/sshauthmethodc.c:89/ssh_client_authentication_uninitialize:
> Destroying authentication method array.
> debug: Ssh2/ssh2.c:363/sigpipe_nonfatal_cb: Received SIGPIPE.
> debug:
> SshAppCommon/sshappcommon.c:146/ssh_app_free_global_regex_context:
> Freeing global SshRegex context.
> debug: SshConfig/sshconfig.c:537/ssh_config_pki_free: Freeing
> pki. (host_pki = NULL, user_pki = NULL)
> 
> 
> 
> BAD GUY (booo, hiss hiss):
> debug: SshConfig/sshconfig.c:2232/ssh2_parse_config: Unable to
> open /opt/home/ktokash/.ssh2/identification
> debug: Ssh2AuthClient/sshauthc.c:316/ssh_authc_completion_proc:
> Method 'publickey' disabled.
> debug: server offers auth methods
> 'publickey,password,keyboard-interactive'.
> debug:
> Ssh2AuthPasswdClient/authc-passwd.c:95/ssh_client_auth_passwd:
> Starting password query...
> ktokash at mas01's password: 
> debug: Ssh2Common/sshcommon.c:286/ssh_common_special: Received
> SSH_CROSS_AUTHENTICATED packet from connection protocol.
> debug: Ssh2/ssh2.c:646/client_authentication_notify: Returning
> user input stream to original values.
> scp:SshFCTransfer/sshfc_transfer.c:1592/transfer_stat_before_rm_cb:
> No connection yet. Waiting...
> debug: Ssh2Common/sshcommon.c:829/ssh_common_new_channel:
> num_channels now 1
> debug:
> SshTtyFlags/sshttyflags.c:354/ssh_internal_encode_tty_flags: Not
> a tty. (fd = 0)
> debug:
> Ssh2ChannelSession/sshchsession.c:2232/ssh_channel_start_session_completion2:
> starting session failed: result 0
> scp:SshFCTransfer/sshfc_transfer.c:1592/transfer_stat_before_rm_cb:
> No connection yet. Waiting...
> scp:SshFCTransfer/sshfc_transfer.c:1592/transfer_stat_before_rm_cb:
> No connection yet. Waiting...
> scp:SshFCTransfer/sshfc_transfer.c:1592/transfer_stat_before_rm_cb:
> No connection yet. Waiting...
> scp:SshFCTransfer/sshfc_transfer.c:1592/transfer_stat_before_rm_cb:
> No connection yet. Waiting...
> scp:SshFCTransfer/sshfc_transfer.c:1592/transfer_stat_before_rm_cb:
> No connection yet. Waiting...
> ^C
> 
> =====
> -----------------------------------------------------------
> With a few exceptions, secrecy is deeply incompatible with
> democracy and with science.
>      --Carl Sagan  
> -----------------------------------------------------------
> 
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