How To Set Up a Firewall with UFW on Ubuntu 20.04
UFW is installed by default on Ubuntu, so you don’t need to install this. Setting Up Default Policies To set the default UFW incoming policy…
Tag: CIDR notation
Secure Memcached on Linux
Memcached is Vulnerable and hacker can use your server to DDOS victims, so you must secure your memcached server. I. By iptables Step 1: disable…
PHP: Convert IP Range to CIDR
Read first: PHP: Convert CIDR to ipaddress range PHP: check valid ipaddress or CIDR notation range This function work done with small IP range ex:…
PHP: check valid ipaddress or CIDR notation range
This function checks for a valid IP address or CIDR notation address range. Example of usage:
PHP: Convert CIDR to ipaddress range
This function takes an IP address and CIDR netmask (e.g. 102.68.1.0/25), and calculate IP address range in that netblock. Example: result: array(2) { [0]=> string(10)…