Firewall
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Major vendor providing firewall solutions includes
AhnLab, Barracuda, Check Point, Cisco, Forcepoint, Fortinet, Hillstone, Huawei
, Juniper Networks (JunOS and ScreenOS), New H3C Group, Palo Alto Networks, Sangfor, Shopos, Stormshield and WatchGuard[1].
Related Topics: Software solution vs Hardware Solutions, Stateful vs stateless inspection, ACLs, Firewall placement: Internal, External
Backdoors
See also
- DMZ, Port knocking, Bastion host, Firewall Software:
iptables
ufw
firewalld
nftables
firewall-cmd
ipfw (FreeBSD)
PF (OpenBSD)
, netsh advfirewall, PAN-OS, WAF, pfsense, VyOS, Cisco ASA, DMZ, F5, URL Filtering, port forwarding, macOS application firewall, Windows firewall, Fortigate, ngrok, Network ACL - Gartner Magic Quadrants
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