FTP timeout

[big_bull]

Hello,

From many days when client connects to FTP by using any FTP client, after connection successfull getting time out for listing of directories.Checked logs and got error provided.

~~~~~~~~~~~~~~~
Jan 2 06:55:35 matrix kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:1f:d0:10:ca:95:00:d0:00:6f:8c:00:08:00 SRC=XX.XX.XX.XX DST=XX.XX.XX.XX LEN=48 TOS=0x00 PREC=0x00 TTL=112 ID=31794 DF PROTO=TCP SPT=53411 DPT=40649 WINDOW=65535 RES=0x00 SYN URGP=0
~~~~~~~~~~~~~~~~

What will be the cause ?

[JawadArshad]

Hello,

From many days when client connects to FTP by using any FTP client, after connection successfull getting time out for listing of directories.Checked logs and got error provided.

~~~~~~~~~~~~~~~
Jan 2 06:55:35 matrix kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:1f:d0:10:ca:95:00:d0:00:6f:8c:00:08:00 SRC=XX.XX.XX.XX DST=XX.XX.XX.XX LEN=48 TOS=0x00 PREC=0x00 TTL=112 ID=31794 DF PROTO=TCP SPT=53411 DPT=40649 WINDOW=65535 RES=0x00 SYN URGP=0
~~~~~~~~~~~~~~~~

What will be the cause ?

Sounds like firewall is causing the problem. You may try flushing the firewall, assuming its cPanel linux, run the following command on shell prompt.

iptables -F

If you know your way around iptables, better try and find the exact rule causing this instead of just flushing everything.

[big_bull]

Hello,

Already flushed CSF, no success.