The Network DNA

NOVEMBER 26, 2024

10.10.10.100 inside NDNA-ASA(config)# dhcpd dns 112.110.112.5 10.10.10.100 inside NDNA-ASA(config)# dhcpd dns 112.110.112.5 Configure an ACL to allow access to the DMZ server from the Internet NDNA-ASA(config)# access-list OUTSIDE-DMZ permit ip any host 10.10.2.3 NDNA-ASA(config)# dhcpd option 3 ip 10.10.10.1 255.255.255.0

Firewall 52

Firewall IP Address VPN Port 52

Kentik

APRIL 19, 2023

Sometimes there is a perception that the embedded solution is about saving money for space and power needed to host the servers, but this is mostly a misunderstanding. The CDN and the ISP peers over an IXP, the volume drives port upgrades, and private connections are impossible. The first two scenarios are straightforward.

IP Address 52

IP Address DNS Server Network 52

Heroku

NOVEMBER 21, 2024

After thorough router investigation and peeling back Pumas server code, we realized what we had stumbled upon was not actually a Router 2.0 Reproduction The long response times issue first surfaced through a customer support ticket for an application running a Puma + Rails web server. performance issue. ec2:11059 tcp 0 0 ip-10-1-87-57.ec2:28631

Routers 59

Routers TCP Server DNS 59

Network Engineering

JULY 3, 2021

inside no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 telnet timeout 5 ssh timeout 5 console timeout 0 dhcpd auto_config outside !

VPN 52

VPN IP Address Encryption TCP 52

CATO Networks

MAY 20, 2024

Figure 2: Distribution of Servers IPs by Number of Shared Domains Refer to Figure 3 for an illustration of a shared hosting IP address hosting both a highly malicious phishing site – ultrasafe.co.in This IP is managed by eWebGuru, a hosting service provider that allocates server resources to various clients.

IP Address 52

IP Address Server Port SMB 52

Kentik

NOVEMBER 23, 2015

A growing percentage of attacks are reflection and amplification attacks using small, spoofed SNMP, DNS, or NTP requests to many distributed servers to bombard a target with the much more bandwidth-heavy responses to those requests. So next we’ll look at the protocol and destination port # of the traffic.

IP Address 40

IP Address Port Protocol Internet 40

Scott's Weblog

AUGUST 16, 2024

Geoff Huston discusses DNS and UDP truncation. Servers/Hardware Permanent damage? Virtualization Stine Elise Larsen writes about an easily-missed requirement for port 9087 to be open between vCenter Server and ESXi hosts when using vSphere Lifecycle Manager. I’ll admit this looks like a pretty cool feature.

DNS 40

DNS Server Engineering Cloud 40

Kentik

OCTOBER 30, 2017

We also looked at this traffic by destination port and saw that in addition to the spikes on port 14999 (aggregation service) we saw a dip on 20012 (ingest) which is a service running on the same node. High number of source IPs talking to a proxy server. High number of source IPs talking to an internal IP.

Port 40

Port DevOps IP Address Network 40

Kentik

JULY 28, 2021

Bad hardware (the switch or router port). Packet capture : By strategically locating one or more probes off of mirrored ports on the network, sessions can be monitored, but if the loss occurred in the cloud, we will have no idea where it occurred. Poor connectors (poor assembly or not fully plugged in). Overwhelmed router.

Cloud 116

Cloud TCP Routers Protocol 116

CloudFaire

JANUARY 21, 2025

HTTP attributes commonly used in DDoS attacks HTTP methods HTTP methods (also called HTTP verbs) define the action to be performed on a resource on a server. They are part of the HTTP protocol and allow communication between clients (such as browsers) and servers. We also saw a similar number of unique source ports per second.

IP Address 121

IP Address Network Networking Server 121