![]() IP: The Internet Protocol (IP) is a network and transport protocol used for exchanging data over the Internet.Note that IPv4 firewall rules do not work with ICMPv6 and IPv6 firewall rules do not work with ICMP. Once you have opted for ICMP or ICMPv6, select the ICMP code/type. ICMP/ICMPv6: The Internet Control Message Protocol (ICMP) is chiefly used to send error messages, indicating, for example, that a requested service is not available or that a host or router could not be reached.When you have selected TCP/UDP, the same configuration options can be edited as for TCP or UDP. TCP/UDP: A combination of TCP and UDP appropriate for application protocols that use both sub protocols such as DNS. ![]() When you have selected UDP, the same configuration options can be edited as for TCP. The receiving computer does not signal the sender when receiving a data packet. This statelessness, however, also means that UDP cannot recognize when packets are lost or dropped. Because it does not keep state, UDP is faster than TCP, especially when sending small amounts of data.
0 Comments
Leave a Reply. |