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In computer networking, Cisco ASA 5500 Series Adaptive Security Appliances, or simply Cisco ASA, is Cisco's line of network security devices introduced in May 2005. [1] It succeeded three existing lines of Cisco products: Cisco PIX, which provided firewall and network address translation (NAT) functions, ended its sale on July 28, 2008. [2]
Stealthwatch, Identity Services Engine (ISE), Tetration, Adaptive Security Appliance (ASA), Next Generation Firewall (NGFW), Firewall Management Center (FMC), SecureX, Umbrella, CloudLock, Duo, Secure Email, Cisco Cloud Mailbox Defense, Secure Web Appliance, Cloud Secure Email, Secure Email and Web Manager, AnyConnect, Virtual Private Network ...
Service-Specific Connection-Oriented Protocol in a Multilink and Connectionless Environment ITU-T Q.2111 (1999) 0x81 129 IPLT 0x82 130 SPS Secure Packet Shield: 0x83 131 PIPE Private IP Encapsulation within IP Expired I-D draft-petri-mobileip-pipe-00.txt: 0x84 132 SCTP Stream Control Transmission Protocol: RFC 4960: 0x85 133 FC Fibre Channel ...
Cisco PIX (Private Internet eXchange) was a popular IP firewall and network address translation (NAT) appliance.It was one of the first products in this market segment. In 2005, Cisco introduced the newer Cisco Adaptive Security Appliance (), that inherited many of the PIX features, and in 2008 announced PIX end-of-sale.
In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on configurable security rules. [ 1 ] [ 2 ] A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet , [ 3 ] or between several VLAN s.
In computer networking, a firewall pinhole is a port that is not protected by a firewall to allow a particular application to gain access to a service on a host in the network protected by the firewall. [1] [2] Leaving ports open in firewall configurations exposes the protected system to potentially malicious abuse.
Network security is involved in organizations, enterprises, and other types of institutions. It does as its title explains: it secures the network, as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a unique name and a corresponding password.
In computing, a stateful firewall is a network-based firewall that individually tracks sessions of network connections traversing it. Stateful packet inspection , also referred to as dynamic packet filtering, [ 1 ] is a security feature often used in non-commercial and business networks.