CloudFaire

JANUARY 3, 2025

Enter Multi-Path TCP (MPTCP), which exploits the presence of multiple interfaces on a device, such as a mobile phone that has both Wi-Fi and cellular antennas, to achieve multi-path connectivity. It's a major extension to the TCP protocol, and historically most of the TCP changes failed to gain traction.

TCP 137

TCP Port Server Advertising 137

Engineering at Meta

MAY 22, 2024

How Meta is enabling PQC Meta’s TLS protocol library, Fizz , is designed for high security, reliability, and performance. The use of our own implementation has allowed us to quickly react to new features in the TLS protocol. This poses some challenges given significant usage of TCP Fast Open (TFO) for internal traffic.

TCP 119

TCP Encryption Server Bandwidth 119

Kentik

FEBRUARY 8, 2016

Designed before the dawn of the commercial Internet, the Border Gateway Protocol (BGP) is a policy-based routing protocol that has long been an established part of the Internet infrastructure. This peering connection is used by border routers in one AS to “advertise” routes to border routers in a different AS (more on this below).

Advertising 49

Advertising Routers Internet Protocol 49

Kentik

MAY 2, 2018

In simple terms, Border Gateway Protocol (BGP) is the protocol that routes traffic on the Internet. During a BGP route hijack, an attacker advertises IP prefixes from an ASN that is not the normal originator. Here we have the DNS clients sending their DNS queries to the hijacked blocks advertised by AS10297.

IP Address 49

IP Address DNS UDP port Advertising 49

Confluent

JULY 1, 2019

KAFKA_LISTENER_SECURITY_PROTOCOL_MAP defines key/value pairs for the security protocol to use per listener name. port 53352 dst 54.191.84.122 port 9092 rank info not available TCP aux info available Connection to ec2-54-191-84-122.us-west-2.compute.amazonaws.com compute.amazonaws.com port 9092 [tcp/XmlIpcRegSvc] succeeded!

Port 101

Port IaaS DNS Networking 101

Kentik

MARCH 13, 2019

These attributes are added to the NLRI field within the BGP Update Message that’s advertised to peers and define the particular traffic that the Flowspec route will match. IP Protocol. Destination Prefix. Source Prefix. Destination port. Source port. Packet length. Type-11.

IP Address 49

IP Address Port Routers DNS 49