csf suddenly blocking all ipv4 access

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izghitu
Junior Member
Posts: 12
Joined: 15 Jan 2008, 09:08


Hi,

I have latest csf/lfd running on CloudLinux 6 with cPanel. The problem I started experiencing is that without any reason csf blocks all ipv4 access to the server. This repeated 2 times already. When it happens I can see the following in the lfd logs:
Code: Select all
May 23 23:53:36 wp03 lfd[1563049]: Global DynDNS - update IP addresses
May 23 23:53:36 wp03 lfd[1563049]: Global DynDNS: Lookup for [<!DOCTYPE] failed
May 23 23:53:36 wp03 lfd[1563049]: Global DynDNS: Lookup for [.07em] failed
May 23 23:53:36 wp03 lfd[1563049]: Global DynDNS: Lookup for [!important}</style><script] failed
May 24 00:00:03 wp03 lfd[141386]: Main Process: TERM
May 24 00:00:03 wp03 lfd[141386]: daemon stopped
May 24 00:00:03 wp03 lfd[1568898]: daemon started on  - csf v12.11 (cPanel)
May 24 00:00:03 wp03 lfd[1568898]: LF_APACHE_ERRPORT: Set to [2]
May 24 00:00:03 wp03 lfd[1568898]: EasyApache4, using /etc/apache2/logs/error_log instead of /usr/local/apache/logs/error_log (Web Server)
May 24 00:00:03 wp03 lfd[1568898]: EasyApache4, using /etc/apache2/logs/error_log instead of /usr/local/apache/logs/error_log {ModSecurity}
May 24 00:00:03 wp03 lfd[1568898]: CSF Tracking...
May 24 00:00:03 wp03 lfd[1568898]: csf is currently restarting - command [/sbin/iptables  -L LOCALINPUT -n] skipped on line 3096
May 24 00:00:03 wp03 lfd[1568898]: iptables appears to have been flushed - running *csf startup*...
May 24 00:00:03 wp03 lfd[1568898]: csf is currently restarting - command [/usr/sbin/csf -sf] skipped on line 3105
May 24 00:00:04 wp03 lfd[1568898]: *Error*: csf output: Error: csf is being restarted, try again in a moment: Resource temporarily unavailable at /usr/sbin/csf line 175.

May 24 00:00:04 wp03 lfd[1568898]: csf startup completed
May 24 00:00:04 wp03 lfd[1568898]: IPv6 Enabled...
May 24 00:00:04 wp03 lfd[1568898]: DynDNS Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Global Ignore Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Global Allow Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Global Deny Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Global DynDNS Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Country Code Lookups...
May 24 00:00:04 wp03 lfd[1569049]: csf is currently restarting - section [DYNDNS] skipped
May 24 00:00:04 wp03 lfd[1568898]: System Integrity Tracking...
May 24 00:00:04 wp03 lfd[1569054]: csf is currently restarting - command [/usr/bin/md5sum --check /var/lib/csf/csf.tempint] skipped on line 6944
May 24 00:00:04 wp03 lfd[1568898]: Exploit Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Directory Watching...
May 24 00:00:04 wp03 lfd[1568898]: Directory File Watching...
May 24 00:00:04 wp03 lfd[1568898]: Email Script Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Email Queue Tracking...
May 24 00:00:04 wp03 lfd[1568898]: ModSecurity IP D/B Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Temp to Perm Block Tracking...
May 24 00:00:04 wp03 lfd[1568898]: System Statistics...
May 24 00:00:04 wp03 lfd[1569057]: csf is currently restarting - command [/usr/sbin/exim -bpc] skipped on line 3416
May 24 00:00:04 wp03 lfd[1568898]: WHM Tracking...
May 24 00:00:04 wp03 lfd[1568898]: Watching /usr/local/cpanel/logs/access_log...
May 24 00:00:04 wp03 lfd[1568898]: Watching /var/log/messages...
May 24 00:00:04 wp03 lfd[1568898]: Watching /var/log/secure...
May 24 00:00:04 wp03 lfd[1568898]: Watching /var/log/exim_mainlog...
May 24 00:00:04 wp03 lfd[1568898]: Watching /etc/apache2/logs/error_log...
May 24 00:00:04 wp03 lfd[1568898]: Watching /usr/local/cpanel/logs/login_log...
May 24 00:00:04 wp03 lfd[1568898]: Watching /var/log/maillog...
May 24 00:00:09 wp03 lfd[1568898]: *Error* You have an unresolved error when starting csf. You need to restart csf successfully before restarting lfd (see /etc/csf/csf.error). *lfd stopped*, at line 1118
May 24 00:00:09 wp03 lfd[1568898]: daemon stopped
Any ideas?
The only to fix this is to run csf -r but the above happens again after a day or 2.

Please help
Thanks
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