Kentik

SEPTEMBER 10, 2021

Earlier today, the Pentagon told the Washington Post : “The Department of Defense has transitioned the advertisement, or announcement, of DoD Internet Protocol Version 4 (IPV4) addresses, previously advertised under Global Resource Systems LLC, to the DoD’s traditional operations and mature network security processes.”.

Advertising 145

Advertising IP Address Internet Routers 145

CloudFaire

JANUARY 3, 2025

It's a major extension to the TCP protocol, and historically most of the TCP changes failed to gain traction. This can be done on Linux with: # Linux server sysctl - useful for ECMP or Anycast servers $ sysctl -w net.mptcp.allow_join_initial_addr_port=0 There is also a second way to advertise a listening IP/port. 4321 hmac 0x.,nop,nop],

TCP 137

TCP Port Server Advertising 137

CloudFaire

JANUARY 2, 2025

To communicate with us, they choose a protocol such as RTMPS (Real Time Messaging Protocol Secure), SRT (Secure Reliable Transport), or WHIP (WebRTC-HTTP ingestion protocol) that defines how their content is packaged and transmitted. Each of these protocols is a way to transmit audio and video frames with various tradeoffs.

Protocol 80

Protocol Media Port IP Address 80

Kentik

MAY 2, 2018

In simple terms, Border Gateway Protocol (BGP) is the protocol that routes traffic on the Internet. They can then announce the routes (groups of IP addresses) that they own from their ASN. During a BGP route hijack, an attacker advertises IP prefixes from an ASN that is not the normal originator.

IP Address 49

IP Address DNS UDP port Advertising 49

NW Kings

JANUARY 7, 2025

Unlike dynamic routes, learned through dynamic routing protocols such as OSPF (Open Shortest Path First) or EIGRP (Enhanced Interior Gateway Routing Protocol), static routes require the network administrator to specify the next hop or destination IP address. is the next hop IP address (R2). 255.255.255.0

Routers 52

Routers IP Address Protocol Topology 52

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

MARCH 13, 2019

For destination-based RTBH, the victim’s destination IP address becomes completely unreachable. The victim can update DNS to point at a different IP address in an attempt to get their application back up. The victim can update DNS to point at a different IP address in an attempt to get their application back up.

IP Address 49

IP Address Port Routers DNS 49