Internal Error after CSF installation

Hello
Yesterday i installed CSF to my server after installation done i reboot server. When i check my site i got 500 internal server error

After fighting with php and apache about 11 hours i found that php scripts are causing this mess.
I can see any folder which has not index.php in it. But clicking any php file it throw 500 error.
So far i uninstall CSF, reinstall, re-compile apache...etc I changed a lot of things after installation as CSF suggest me. So now i do not remember default values.

Also i have some log files from my server as below.

Could someone tell me what did i do wrong?

Regards
Code: 
messages:Jul 21 03:43:26 server3 init: Id "x" respawning too fast: disabled for 5 minutes
messages:Jul 21 03:46:13 server3 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT=MAC=00:16:36:79:2e:28:00:1f:67:26:a4:8e:08:00 SRC=61.164.117.73 DST=114.179.32.165 LEN=44 TOS=0x00 PREC=0x00 TTL=97 ID=256 PROTO=TCP SPT=6000 DPT=1433 WINDOW=1 6384 RES=0x00 SYN URGP=0
messages:Jul 21 03:48:28 server3 init: Id "x" respawning too fast: disabled for 5 minutes
messages:Jul 21 03:53:18 server3 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT=MAC=00:16:36:79:2e:28:00:1f:67:26:a4:8e:08:00 SRC=122.193.28.66 DST=114.179.32.165 LEN=44 TOS=0x00 PREC=0x00 TTL=102 ID=42353 PROTO=TCP SPT=6000 DPT=1433 WINDOW=16384 RES=0x00 SYN URGP=0
messages:Jul 21 03:53:29 server3 init: Id "x" respawning too fast: disabled for 5 minutes
messages:Jul 21 04:13:31 server3 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT=MAC=00:16:36:79:2e:28:00:1f:67:26:a4:8e:08:00 SRC=222.136.188.5 DST=114.179.32.165 LEN=44 TOS=0x00 PREC=0x00 TTL=99 ID=256 PROTO=TCP SPT=6000 DPT=1433 WINDOW=16384 RES=0x00 SYN URGP=0
messages:Jul 21 04:13:34 server3 init: Id "x" respawning too fast: disabled for 5 minutes
messages:Jul 21 04:22:59 server3 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT=MAC=00:16:36:79:2e:28:00:1f:67:26:a4:8e:08:00 SRC=120.197.0.32 DST=114.179.32.165 LEN=44 TOS=0x00 PREC=0x00 TTL=98 ID=256 PROTO=TCP SPT=6000 DPT=1433 WINDOW=16384 RES=0x00 SYN URGP=0
messages:Jul 21 04:23:36 server3 init: Id "x" respawning too fast: disabled for 5 minutes
messages:Jul 21 04:54:50 server3 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT=MAC=00:16:36:79:2e:28:00:1f:67:26:a4:8e:08:00 SRC=212.93.197.177 DST=114.179.32.165 LEN=48 TOS=0x00 PREC=0x00 TTL=104 ID=47778 DF PROTO=TCP SPT=25551 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0
messages:Jul 21 04:54:53 server3 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT=MAC=00:16:36:79:2e:28:00:1f:67:26:a4:8e:08:00 SRC=212.93.197.177 DST=114.179.32.165 LEN=48 TOS=0x00 PREC=0x00 TTL=104 ID=48161 DF PROTO=TCP SPT=25551 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0
messages:Jul 21 04:54:59 server3 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT=MAC=00:16:36:79:2e:28:00:1f:67:26:a4:8e:08:00 SRC=212.93.197.177 DST=114.179.32.165 LEN=48 TOS=0x00 PREC=0x00 TTL=104 ID=48941 DF PROTO=TCP SPT=25551 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0

 

 

 

 

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