What is access control? Access control is a security term used to refer to a set of policies for restricting access to information, tools, and physical locations. What is physical access control? Although this article focuses on information access control, physical access control is a useful comp...
Internet Message Access Protocol (IMAP) is a standard protocol for accessing email on a remote server from a local client. IMAP is an application layer Internet Protocol using the underlying transport layer protocols to establish host-to-host communication services for applications. This allows the ...
When an email account is added to an email app or IMAP client, it usually attempts to set it up with IMAP access. In that case, user inputs aren't required. But, if the account is already set up for Post Office Protocol 3 (POP3), the client might have difficulty adding it to IMAP...
Simple Object Access Protocol (SOAP) is a client-server messaging protocol for exchanging structured data between web-services. SOAP uses XML for its message format and relies on standard application layer protocols, most often Hypertext Transfer Protocol (HTTP) or Simple Mail Transfer Protocol (SMTP...
SubNetwork Access Protocol (SNAP) refers to a standard used for transmitting IP datagrams across IEEE 802 networks. This means that the IP datagrams can be routed on IEEE 802 networks encapsulated inside the SNAP data link layers 802.3, 802.4 or 802.5, physical network layers, and the 802.2 ...
To control the access permission of specific terminals on an enterprise's intranet, a Layer 2 ACL is required. A Layer 2 ACL can be used to control traffic based on Layer 2 information such as the source MAC address, destination MAC address, 802.1p priority, and Layer 2 protocol type. ...
Zero Trust-based access to a range of IP addresses and/or Fully Qualified Domain Names (FQDNs) without requiring a legacy VPN. This feature is known as Quick Access. Per-app access for Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) applications. ...
An Access Control List (ACL) is a packet filter that filters packets based on rules. One or more rules describe the packet matching conditions, such as the source address, destination address, and port number of packets. For packets that match the ACL rules configured on a device, the devic...
An IP address is a unique identifier assigned to a device or domain that connects to the Internet. Each IP address is a series of characters, such as '192.168.1.1'. ViaDNSresolvers, which translate human-readable domain names into IP addresses, users are able to access websites without mem...
File Transfer Protocol (FTP) is a network protocol for transferring files between computers on a TCP/IP network (Internet). The FTP connection is established between two parties – the end-user’s computer requesting access (also known as the local host, FTP user, or FTP client) and the co...