Understanding IP addresses IP addresses sound complicated, especially if you're unfamiliar with what an IP address is or if you're just getting started on the internet. Having an IP address explained can help better connect how IP addresses relay important information from one location to the ...
What is an SMTP relay service? Simple Mail Transfer Protocol (SMTP) is a straightforward process that allows users to send, relay, and monitor outgoing emails. An SMTP relay service—also commonly known as an SMTP gateway service—takes this process a step further by allowing you to send more...
When iCloud Private Relay is on, all Safari web browsing traffic is routed through two servers before the user is connected to the site they want to browse. Apple operates one server, and a third-party company operates the other. The user can control whether their device's IP is an appro...
It replies to the command with a numerical code. There are many SMTP commands the SMTP relay servers use to communicate with other servers. Here are the most used ones listed in the order they come in an SMTP relay servers conversation. HELO HELO is the first command that starts the conver...
Network Layer (Layer 3) - IPV5, IPV6, ICMP, IPSEC, ARP, MPLS. Data Link Layer (Layer 2) - RAPA, PPP, Frame Relay, ATM, Fiber Cable, etc. Physical Layer (Layer 1) - RS232, 100BaseTX, ISDN, 11. Each layer is stacked on top of the other and information flows between each layer...
IPv6 Defines rules based onsource IPv6 addresses,destination IPv6 addresses, IPv6 protocol types, ICMPv6 types, TCP source/destination port numbers, UDP source/destination ports, and time ranges. 3000-3999 Step What Is a Step A step is an increment between neighboring rule IDs automatically allo...
What is SSL Hijacking? SSL hijacking is when an attacker intercepts a connection and generates SSL/TLS certificates for all domains you visit. They present the fake certificate to you, establish a connection with the original server, and then relay the traffic on. This attack only works if the...
If no loopback interface is configured, the router selects the largest IP address among other interface addresses as its router ID. After the router has been running OSPF and selected its router ID, it still uses this router ID if the interface whose IP address is used as the router ID ...
There are several essential parts of the Dynamic Host Configuration Protocol process: the relay host, the clients, the servers, and messages. A DHCP relay agent is any host that forwards information packets between clients, which are the users, and servers, where data is stored. These informatio...
iCloud Private Relay is a feature available with iCloud+ subscriptions on Apple devices. It’s designed to enhance your online privacy and security while using Safari and other Apple apps by concealing your IP address and encrypting your web browsing data. ...