SynFlood

#1
I am behind a ddos protected server running Litespeed, but i am still getting this.

any idea what is wrong?

INFO: task lsphp5:2291 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
lsphp5 D 0000000000000000 0 2291 18512 0x00000084
ffff88008fd5ba48 0000000000000082 ffffea0007ab9570 ffffea0000000000
ffff88008fd5b9c8 ffffffff811144d7 ffff88008fd5b9d8 ffffffff811141ce
ffff8800c4165ab8 ffff88008fd5bfd8 000000000000fb88 ffff8800c4165ab8
Call Trace:
[<ffffffff811144d7>] ? unlock_page+0x27/0x30
[<ffffffff811141ce>] ? find_get_page+0x1e/0xa0
[<ffffffff8109243e>] ? prepare_to_wait+0x4e/0x80
[<ffffffffa00790ad>] do_get_write_access+0x29d/0x520 [jbd2]
[<ffffffffa009ee00>] ? ext4_bh_delay_or_unwritten+0x0/0x30 [ext4]
[<ffffffff81092190>] ? wake_bit_function+0x0/0x50
[<ffffffffa0079481>] jbd2_journal_get_write_access+0x31/0x50 [jbd2]
[<ffffffffa00c7768>] __ext4_journal_get_write_access+0x38/0x80 [ext4]
[<ffffffffa00a1c63>] ext4_reserve_inode_write+0x73/0xa0 [ext4]
[<ffffffffa00a1cdc>] ext4_mark_inode_dirty+0x4c/0x1d0 [ext4]
[<ffffffffa00a1fd0>] ext4_dirty_inode+0x40/0x60 [ext4]
[<ffffffff811a4d2b>] __mark_inode_dirty+0x3b/0x160
[<ffffffff8119541d>] touch_atime+0x12d/0x170
[<ffffffff81115f90>] generic_file_aio_read+0x380/0x700
[<ffffffff8117b1ea>] do_sync_read+0xfa/0x140
[<ffffffff8118c45a>] ? do_filp_open+0x6da/0xd60
[<ffffffff81092150>] ? autoremove_wake_function+0x0/0x40
[<ffffffff811805c4>] ? cp_new_stat+0xe4/0x100
[<ffffffff81213446>] ? security_file_permission+0x16/0x20
[<ffffffff8117bbf5>] vfs_read+0xb5/0x1a0
[<ffffffff810d6ce2>] ? audit_syscall_entry+0x272/0x2a0
[<ffffffff8117bd31>] sys_read+0x51/0x90
[<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
md: data-check of RAID array md127
md: minimum _guaranteed_ speed: 1000 KB/sec/disk.
md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for data-check.
md: using 128k window, over a total of 488383620k.
md: md127: data-check done.
possible SYN flooding on port 80. Sending cookies.
__ratelimit: 2 callbacks suppressed
Redirect from 196.45.145.212 on eth0 about 196.45.153.49 ignored.
Advised path = 199.59.160.118 -> 196.45.153.49
 
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