Iptables rule to allow access only from one IP
iptables -I INPUT -s (allowip) -p tcp --dport (port) -j [...]
Drop Sync/DDOS Attack
1. Find.. to which IP address in the server is [...]
Disable ping to server
To disable ping echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all To enable ping [...]
Prevent SYN attacks
1. Enable SYN cookies mechanism in the server by the [...]
Script used to correct permission of files after suphp
#!/bin/bash # For some stupid reason, cPanel screws up the [...]
Script used to find vulnerable php files
#!/bin/bash shellpattern='r0nin|m0rtix|upl0ad|r57|c99|shellbot|phpshell|void.ru|phpremoteview|directmail|bash_history|vulnscan|spymeta|raslan58' for user in `/bin/ls /var/cpanel/users` do find /home/$user/public_html [...]
To block an IP range using Iptables
iptables -I INPUT -m iprange --src-range 192.168.1.10-192.168.1.13 -j DROP
How to find PHP injection through logs
URL Injection -- attempt to inject / load files onto [...]
Drop DDOS attack
1. Find.. to which IP address in the server is [...]
Preset Cpanel Servers
To preset a server: First login and go to the [...]