Tags » Firewall

How to activate windows firewall

Browsing the web can be risky if you aren’t well protected from malicious intruders.

You might think that having an anti-virus program installed is safe and secure, but think about it, just have a good hard thought about this for a minute… 147 more words

Guides To Everyday Technology For Baby Boomers

CentOS 7: Home Networking

CentOS is a lot smarter than you might expect. It knows when it is connected to a home router. The new firewall quickly adjusts and generally does the right thing. 566 more words

Computers

How To Maintain Safety and Efficiency in a Business


Security is the first preference of everyone. Whether it is about the safety of the family or the protection of a business place, everybody pays special attention towards it. 309 more words

Business

CCIE Security V4 Exam Preparation Topics – Part 3

Topic 1: System Hardening and Availability

1.3 Limit Access to the Network with Infrastructure ACLs

Devised to prevent unauthorized direct communication to network devices, infrastructure access control lists (iACLs) are one of the most critical security controls that can be implemented in networks. 1,244 more words

Firewall

UFW(Uncomplicated FireWall) 설정

  1. 설치
sudo apt-get install ufw
  1. ufw 활성화 / 비활성화
sudo ufw enable
sudo ufw disable
  1. ufw 상태 확인
sudo ufw status
  1. 허용
sudo ufw allow XX
sudo ufw allow XXX.XXX.XXX.XXX/udp
sudo ufw allow from XXX.XXX.XXX.XXX
sudo ufw allow from XXX.XXX.XXX.XXX to port XXX
sudo ufw allow from XXX.XXX.XXX.XXX/24 to any port XX
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LINUX