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my server keeps timing out when i attempt to download a handfull of files at once.

i'm running ubuntu 10.4 LTS

sshd_config contains the following tweaks:

Subsystem sftp internal-sftp

Match group www
    ChrootDirectory %h
    X11Forwarding no
    AllowTcpForwarding no
    ForceCommand internal-sftp

and fstab contains the following tweaks:

/srv/www/ /home/chris/ none bind

after attempting to download the files the user will be disconnected.

i'm not even sure where to begin debugging this, so any help would be greatly appreciated. thanks

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How long after initiation does it disconnect? – Rob Olmos Nov 9 '10 at 2:59
Is there a specific error message that goes along with the timeout? Or is it just "Connection Timed Out"? – VxJasonxV Nov 9 '10 at 6:05
it may download one or two files successfully and timeout when 5 or more are simultaneously queued. operation timed out. connection closed. – matt ryan Nov 9 '10 at 22:17
up vote 1 down vote accepted

i found out it was a misconfiguration with fail to ban, involving both ssh keys and pw checks. for sftp, the key's failed, resulting in a ten minute ban.

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