Kentik

JUNE 7, 2023

Advanced analysis : With Kentik’s powerful analytics engine, you can perform an in-depth analysis of flow logs from any cloud. For example, an audit may be warranted if unexpected TCP traffic is flowing into a MariaDB instance but isn’t entering on port 3306. Alerts can flag this activity before it impacts your organization.

Cloud 97

Cloud Gateway Port IP Address 97

DoorDash Engineering

AUGUST 15, 2023

With these hooks, we can intercept and understand TCP and UDP connections across our multiple Kubernetes clusters. For TCP, we use two probes to track when a connection is initiated and when it is closed. maps"); To emit a TCP connection event, we await the tcp_close call associated with the connection established by tcp_connect.

DNS 84

DNS TCP Application Network 84

CATO Networks

AUGUST 18, 2022

Because of this convergence, automated security engines and customized policies benefit from shared context and visibility allowing true single-pass processing and more accurate security verdicts. Included features like QoS, TCP Acceleration, and Packet Loss Mitigation allow customers to fine-tune performance to their needs.

SASE 52

SASE Cloud Port Firewall 52

Kentik

NOVEMBER 4, 2018

In addition to basic data like source and destination IP address, port, protocol, etc., we collect network performance metrics like TCP connection setup latency, retransmitted and out-of-order packet counts, and window size. Rust’s performance and low memory use is a key benefit here.

IP Address 67

IP Address Protocol TCP DNS 67

Kentik

APRIL 3, 2023

event(data) duration = float(event) / 1000000 print("TCP retransmit detected (duration: %0.2f In that way, an engineer can anticipate a poor end-user experience before it happens, or at least before it gets really bad. tcpdrop allows you to trace TCP packet drops. tcpconnect allows you to trace active TCP connections.

TCP 110

TCP Application Virtual machine Network 110

Network Engineering

DECEMBER 11, 2023

SITE B WAN IP OF THE GATEWAY] 1 SHOW LOGS ASA-1/pri/act# show crypto ipsec sa Doesnt show the active vpn connection ASA-1/pri/act# packet-tracer input inside tcp 10.113.1.11 port=0, tag=any dst ip/id=0.0.0.0, port=0, tag=any dst ip/id=0.0.0.0, port=0, tag=any dst ip/id=10.1.10.0, port=0, tag=any dst ip/id=0.0.0.0,

VPN 52

VPN Port Protocol WAN 52

CloudFaire

DECEMBER 30, 2024

Internet protocol specifications are instructions designed for engineers to build things. Any reasonably skilled engineer should be able to take a specification and produce a performant, reliable, and secure implementation. HTTP/2 and HTTP/3 use TCP, UDP and IP. Run the binary and provide the name and port of the target server.

Protocol 101

Protocol Server Internet TCP 101

Kentik

MARCH 13, 2019

For example, during an attack, service provider network engineers need to be skilled at finding attacks, choosing an appropriate mitigation strategy, and have proper access to the infrastructure to apply it. Destination port. Source port. Destination Prefix. Source Prefix. IP Protocol. Packet length.

IP Address 49

IP Address Port Routers DNS 49

Kentik

SEPTEMBER 20, 2016

It’s up to IT and network engineering groups to address performance, but to do so they need effective ways to measure and monitor. In this post we’ll talk about using Kentik’s NPM solution to watch the TCP performance of traffic as reported to Kentik Detect from a Kentik nProbe host agent. TCP is the key.

Network 40

Network Networking TCP Server 40

Kentik

DECEMBER 2, 2015

Here’s how these types of schemes work: The spammer sends a SYN from a spoofed source IP address to TCP port 25 (SMTP) on the target mail server. Kentik Detect uses SQL as the query language, but the underlying data is stored in the Kentik Data Engine (KDE), a custom, distributed, column-store database. Look only at TCP traffic.

TCP 40

TCP Protocol Port IP Address 40

CATO Networks

MARCH 24, 2020

A hacker could attack systems from outside the enterprise network directly if a systems SMB port has been left open to the Internet. By default, Windows Firewall blocks external connections to the SMB port, however. An attack using this vulnerability could happen in a few ways.

SMB 52

SMB Port Server Protocol 52

Kentik

DECEMBER 5, 2016

In a recent blog post by Kentik Solutions Engineer Eric Graham we explained how we “dog food” our own NPM solution to troubleshoot network performance issues within our own cloud-based application. Next we set Metric (still in the Query pane) to look at the percentage of TCP retransmits. How does it work?

Network 40

Network Networking TCP IP Address 40

Network Engineering

JULY 3, 2021

threat-detection basic-threat threat-detection statistics access-list no threat-detection statistics tcp-intercept webvpn username cisco password 3USUcOPFUiMCO4Jk encrypted ! ftp mode passive pager lines 24 logging asdm informational mtu inside 1500 mtu outside 1500 icmp unreachable rate-limit 1 burst-size 1 asdm image disk0:/asdm-7161.bin

VPN 52

VPN IP Address Encryption TCP 52

CATO Networks

FEBRUARY 26, 2020

Today, enterprises must be prepared to address a wide variety of attacks including social engineering attacks, Internet-borne malware, and ransomware across all the different attack vectors that exist within modern networks. Additionally, a Deep Packet Inspection (DPI) engine enables contextualization of traffic.

Network Security 52

Network Security Network Networking UDP port 52

CATO Networks

JULY 18, 2018

Today, Cato introduced the first, identity-aware routing engine for SD-WAN. Using the robust DPI engine underlying Cato Cloud, were able to detect and classify hundreds of SaaS and datacenter applications regardless of port, protocol, or evasive technique and without SSL inspection.

WAN 52

WAN IP Address MPLS Cloud 52

CATO Networks

MAY 20, 2020

NGFWs can drill down beyond IP addresses, TCP/UDP ports, and network protocols to enforce policies based on packet content. Anti-malware Anti-malware engines use both signature and heuristic-based techniques to identify and block malware within a network.

Network Security 52

Network Security Network Networking UDP port 52

Kentik

OCTOBER 2, 2015

Kentik Detect customers use alerts to monitor various metrics in the data that is ingested into the Kentik Data Engine (KDE), including information on devices, interfaces, IP/CIDR, Geo, ASN, and ports. Define a TCP Syn alert based on the queries provided in Defining an Alert below. supplemental 1: layer 4 destination port.

Port 40

Port Protocol Server Bandwidth 40

CATO Networks

SEPTEMBER 11, 2023

allow users on the corporate VLAN to access printers located in the printer VLAN, over specific TCP ports. allow database synchronization across two VLANs located in separate datacenter rooms over a specific protocol/port. allow IOT devices (e.g.

LAN 52

LAN Cloud Firewall WAN 52

Heroku

JULY 29, 2024

For our example, we will use the Heroku CLI, naming our Flex Gateway api-ingress-west and deploying to the flex-gateway-west private space. We'll also show you how to register your API as an External MuleSoft service in Salesforce, ready to be called from Flow and Apex.

Gateway 64

Gateway Application Cloud Government 64

Kentik

JUNE 6, 2023

To expose Docker’s API to the world , use: sudo dockerd -H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375 2375 Connect to your server at its IP address over port 2375. You want a tool that saves your engineers time and detects problems before they become serious. Sign up with Kentik and log in.

IP Address 52

IP Address Server TCP Port 52

Kentik

JULY 28, 2021

It isn’t so much that packet loss is a huge problem — TCP and QUIC were engineered in anticipation that lost packets would be inevitable. Latency : Missing packets in connection-oriented protocols such as TCP and QUIC result in lost packets getting resent. Bad hardware (the switch or router port). UDP vs. TCP.

Cloud 116

Cloud TCP Routers Protocol 116

Kentik

DECEMBER 18, 2017

That’s how much flow data is ingested by Kentik Data Engine (KDE), the distributed big data backend that powers Kentik Detect®. Port Numbers and Services. Now let’s take a look at TCP/UDP port numbers, so we can get an idea of what kind of services are in use. Big Data Stats Reveal Industry Trends.

Protocol 40

Protocol UDP port Port TCP 40

Network Engineering

JANUARY 23, 2025

The Global Cache IP2SL device sends commands via a serial port. I'm trying to control the masking on a projector screen via The Home Remote app and a Global Cache iTach IP2SL device. The screen masking has a control box that accepts RS232 commands via ethernet.

Ethernet 52

Ethernet Port TCP 52