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Firewall & VPN

Terms relating to firewalls, which help keep a network safe by not accepting potentially harmful datapackets. Also relates to VPNs, or virtual private networks, that virtually provide a different IP address which makes it seem that the user is using a computer from another location.

Contributors in Firewall & VPN

Firewall & VPN

SNMP

Network hardware; Firewall & VPN

This acronym means Simple Network Management Protocol, and refers to the protocols that use ports 161/UDP and 162/UDP. SNMP is described in a number of RFCs, the most recent being RFCs 1901 thru ...

SPI

Network hardware; Firewall & VPN

This acronym means Security Parameter Index, and refers to the number that uniquely identifies an IPSEC Security Association (SA). Specifically, the SPI is used to identify data integrity ...

Special service

Network hardware; Firewall & VPN

Another way of referring to a GSP. This name is derived from the fact that GSPs handle ports or protocols not managed by the standard proxies, which, in this context at least, makes them special.

Static authentication

Network hardware; Firewall & VPN

The opposite of dynamic authentication. Static authentication refers to an authentication scheme where the usernames and groups are replicated on the firewall in addition to the authentication ...

Telnet

Network hardware; Firewall & VPN

This acronym means "Telecommunications Network", and refers to the terminal session application-level protocol that uses port 23/TCP.

Transparent

Network hardware; Firewall & VPN

Refers to a connexion (TCP) or data stream (UDP) sent by a client directly to a server, in which the client is unaware of the intervening gateway. The opposite of non-transparent. Transparent access ...

Tunnel

Network hardware; Firewall & VPN

Tunnel is an often misused term. In one sense it can be used to refer to the Raptor Firewall's packet filtering ability - that is, local tunnels. It can also be used when discussing the ...

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