Subnet Calculator

IP & Mask or CIDR:                        

Linux:
Netfilter Log Format
Netfilter Log Format Issues
Linux Firewalls
What is the difference between REJECT and DENY?
Use IP & CIDR Netmask: 10.0.0.1/22
Or IP & Netmask:10.0.0.1 255.255.252.0
Or IP & Wildcard Mask:10.0.0.1 0.0.3.255





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