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  1. #1
    Join Date
    Mar 2009
    Posts
    245

    Csf sudenly blocked http or something else

    I got downtime message on my cellphone,and when i checked what is wrong,everything was worked fine.So i issued command csf -f which i think shutdown firewall,but it seems firewall worked after that so i guess it flushes ip's.Any idea why is that happened,i mean why did csf blocked httpd server(or dns)?And i didn't received any alert about it.

  2. #2
    Join Date
    Sep 2007
    Posts
    368

    *

    Quote Originally Posted by roguehosting View Post
    I got downtime message on my cellphone,and when i checked what is wrong,everything was worked fine.So i issued command csf -f which i think shutdown firewall,but it seems firewall worked after that so i guess it flushes ip's.Any idea why is that happened,i mean why did csf blocked httpd server(or dns)?And i didn't received any alert about it.
    whats the time of alert interval and after how much hours or minutes you check server, mostly check server in same condition will gave some idea, what i guess, it might be network problem at data center.

  3. #3
    Quote Originally Posted by roguehosting View Post
    I got downtime message on my cellphone,and when i checked what is wrong,everything was worked fine.So i issued command csf -f which i think shutdown firewall,but it seems firewall worked after that so i guess it flushes ip's.Any idea why is that happened,i mean why did csf blocked httpd server(or dns)?And i didn't received any alert about it.
    Did you checked the server as soon as you received the alert message? If yes, then it could be an intermittent issue. If you think it's a server firewall that was blocking your access, you can check the lfd logs. Search your IP in the /var/log/lfd.log file and see if you find anything.

    Just FYI, try to check the logs as much as possible before restarting any service. It will give you a more clear idea where the actual problem is.

  4. #4
    Join Date
    Mar 2009
    Posts
    245
    Quote Originally Posted by madaboutlinux View Post
    Did you checked the server as soon as you received the alert message? If yes, then it could be an intermittent issue. If you think it's a server firewall that was blocking your access, you can check the lfd logs. Search your IP in the /var/log/lfd.log file and see if you find anything.

    Just FYI, try to check the logs as much as possible before restarting any service. It will give you a more clear idea where the actual problem is.
    Well,logs are recorded into var/log/messages which is hard to track.
    Sites was back in action same second after i type csf -f,and uptime checker which i use is host tracker which means it was completely unavailable to any ip address.

  5. #5
    Join Date
    Mar 2009
    Posts
    245
    Ah it wasn't firewall,it was php-fpm failing.Just before two hours sites was not loading and i though it's firewall again and cleaned iptables,then even disabled it and uninstalled it,but that didnt helped.So i went to entire mambo jumbo with troubleshooting each server component,even rebooting server,until i realized it's php-fpm its failing,which means none of sites with php extension works,and since i had all sites with php that is same like sites are down(while they wasn't)
    So i resolved this problem with recompiling php and php-fpm.
    Question:can csf somehow affect configuration of php-fpm which caused this failing?

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