Confluent

JULY 1, 2019

are shown indented in the following list: KAFKA_LISTENERS is a comma-separated list of listeners and the host/IP and port to which Kafka binds to for listening. KAFKA_ADVERTISED_LISTENERS is a comma-separated list of listeners with their host/IP and port. compute.amazonaws.com port 9092 [tcp/XmlIpcRegSvc] succeeded!

Port 101

Port IaaS DNS Networking 101

Kentik

MAY 2, 2018

During a BGP route hijack, an attacker advertises IP prefixes from an ASN that is not the normal originator. During last week’s attack, the attacker was redirecting traffic that belonged to Amazon’s Route 53 DNS servers. 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

Kentik

MARCH 13, 2019

The victim can update DNS to point at a different IP address in an attempt to get their application back up. However, if the attack is targeting the DNS hostname and not the IP address, the attack will just switch over to the new IP address. Destination port. Source port. The mitigation actually “completes the attack.”

IP Address 49

IP Address Port Routers DNS 49

CloudFaire

JANUARY 21, 2025

HTTPS in legitimate traffic and DDoS attacks: 2024 Q4 Layer 3/Layer 4 DDoS attacks The top three most common Layer 3/Layer 4 (network layer) attack vectors were SYN flood (38%), DNS flood attacks (16%), and UDP floods (14%). We also saw a similar number of unique source ports per second.

IP Address 121

IP Address Networking Network Server 121