Wednesday, July 10, 2013

Unable to Acesss WHM

The main reason for the inaccessibility is that the Main IP address get blocked in IP tables and Csf.

Check if IP is blocked:
# iptables -L -n --line | grep [IP Address]

If IP appear as DROP or REJECT, the IP has been blocked 
Unblock the IP Address:
# iptables -I INPUT -s [IP Address] -j ACCEPT

Blocking back an IP Address:
# iptables -A INPUT -d [IP Address] -j DROP

 service iptables save

In CSF :
Check the file :
vi /etc/csf/csf.deny
If you find the Entry of thr respected IP Address, Comment it and restart it using :
csf -r

In CpHulk brute Force detection :
Try this command :
ps aux | grep -i cphulk
kill -9 PID#
Where PID# is the process ID number of that process.

Then disable it:

/usr/local/cpanel/bin/cphulk_pam_ctl --disable

At that point, if you can log into the machine, check WHM > Cphulk Brute Force Protection to see if your IP is whitelisted. If it isn't, whitelist your local IP address that you use to log into WHM to ensure you cannot be locked out when root user is brute forced and root logins to WHM are disabled.

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