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poiuty

I turned on keepalives and the problem disappeared
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But in putty
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I'll try to get the full log[/img]
martin

Re: TL-WR740N and pam_unix(sshd:session): session closed for use

Please attach a full log file showing the problem (using the latest version of WinSCP).

To generate log file, enable logging, log in to your server and do the operation and only the operation that causes the error. Submit the log with your post as an attachment. Note that passwords and passphrases not stored in the log. You may want to remove other data you consider sensitive though, such as host names, IP addresses, account names or file names (unless they are relevant to the problem). If you do not want to post the log publicly, you may email it to me. You will find my address (if you log in) in my forum profile. Please include link back to this topic in your email. Also note in this topic that you have emailed the log.
poiuty

winscp log 

Initiating key re-exchange (timeout)

Network error: Software caused connection abort

(ESshFatal) Network error: Software caused connection abort

Looking up host "x.x.x.x"

Connecting to x.x.x.x port 22

Server version: SSH-2.0-OpenSSH_5.3

Using SSH protocol version 2

We claim version: SSH-2.0-WinSCP_release_5.5

Doing Diffie-Hellman group exchange

Doing Diffie-Hellman key exchange with hash SHA-256

Verifying host key 

Host key matches cached key

Host key fingerprint is:

ssh-rsa 2048 

Initialised AES-256 SDCTR client->server encryption

Initialised HMAC-SHA-256 client->server MAC algorithm

Initialised AES-256 SDCTR server->client encryption

Initialised HMAC-SHA-256 server->client MAC algorithm


server log 
Jan  4 09:54:19 sun sshd[212908]: Accepted password for root from x.x.x.x port 49397 ssh2

Jan  4 09:54:19 sun sshd[212908]: pam_unix(sshd:session): session opened for user root by (uid=0)

Jan  4 09:54:19 sun sshd[212908]: subsystem request for sftp

Jan  4 10:27:50 sun sshd[212908]: pam_unix(sshd:session): session closed for user root

Jan  4 10:54:26 sun sshd[281019]: Accepted password for root from x.x.x.x port 50660 ssh2

Jan  4 10:54:26 sun sshd[281019]: pam_unix(sshd:session): session opened for user root by (uid=0)

Jan  4 10:54:27 sun sshd[281019]: subsystem request for sftp
poiuty

get winscp log 
Initiating key re-exchange (timeout)

Doing Diffie-Hellman group exchange

Doing Diffie-Hellman key exchange with hash SHA-256

Initialised AES-256 SDCTR client->server encryption

Initialised HMAC-SHA-256 client->server MAC algorithm

Initialised AES-256 SDCTR server->client encryption

Initialised HMAC-SHA-256 server->client MAC algorithm
poiuty

TL-WR740N and pam_unix(sshd:session): session closed for use

After I started to use the router TL-WR740N
Have disconnect when use SFTP.
In logs 

Jan  2 19:11:02 sun sshd[722633]: Accepted password for root from x.x.x.x port 55889 ssh2

Jan  2 19:11:02 sun sshd[722633]: pam_unix(sshd:session): session opened for user root by (uid=0)

Jan  2 19:11:02 sun sshd[722633]: subsystem request for sftp

Jan  2 19:50:03 sun sshd[718357]: pam_unix(sshd:session): session closed for user root


At the same time, in putty -> no disconnect.

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