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I am facing issue with SFTP service configured on Ubuntu 12 server. I am able to connect to sftp service and pwd command gives an immediate response while ls command takes 5 to 10 minutes to return the output. This is giving me connectivity issues when i try to connect SFTP service using FileZilla Client.Please find the Server Config below.
sftp -vvv output:
debug3: SSH_FXP_REALPATH . -> /test
Remote working directory: /test
debug3: Sending SSH2_FXP_READDIR I:32537
so ls command stucks at this point for atleast 5 to 10 minutes and then displays output. Once output is displayed then it is faster navigating through directories.
I also verified putting some files onto SFTP and it is faster. It gives very slow response only for ls command and get commands but for uploading a doc using put command or pwd it is faster.
SSHD Config File:
AllowGroups ssh_access_p3 sftp-users sftponly
AcceptEnv LANG LC_*
Subsystem sftp internal-sftp
Match group sftponly
SFTP Directory Permissions:
drwxr-xr-x 4 root root 4096 Feb 7 13:38 /sftp-only/
drwxr-xr-x 3 root root 4096 Feb 7 13:38 /sftp-only/test-root/
drwxr-xr-x 2 test test 4096 Feb 7 13:38 /sftp-only/test-root/test/