Fedora: Security Advisory for condor (FEDORA-2020-ae934f6790)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 31 Update: condor-8.8.8-1.fc31

HTCondor is a workload management system for high-throughput and high-performance jobs. Like other full-featured batch systems, HTCondor provides a job queuing mechanism, scheduling policy, priority scheme, resource monitoring, and resource management. Users submit their serial or parallel jobs t...

F5 Networks BIG-IP : BIG-IP APM apd vulnerability (K61705126)

When the BIG-IP APM system processes certain requests, the apd/apmd process may consume excessive resources.CVE-2019-6661 Impact BIG-IP APM When this vulnerability is exploited, the BIG-IP APM system may experience excessive resource consumption, which may cause one of the following : Degraded...

Akamai Improves Global Delivery Performance

As part of Akamai's ongoing investments in improving delivery performance, last month we completed the worldwide deployment of the Bottleneck Bandwidth and RTT BBR TCP congestion control algorithm across our Edge Platform. The BBR algorithm is designed to help improve the reliability and resilien...

Optimizing Video Streaming Performance with Origin-Assisted Prefetching

Online video streaming is everywhere today. It's available on the smallest hand-held devices to the largest of screens in our living rooms. Magically and for the most part, it works and provides a very captivating experience. However, if you step back to look at the overall architecture, media...

Quick Retry: Per Request Route Optimization to Reduce Video Rebuffer Rates

A slow response can wreck an otherwise perfect video playback experience. At least, that is what data shows when it comes to streaming high quality video content to any device, anywhere in the world. While there is no way to control when a slow response will happen, Akamai can offer an alternativ...

Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the Fibre Channel over Ethernet FCoE protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. T...

CVE-2019-1595 Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability

A vulnerability in the Fibre Channel over Ethernet FCoE protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface...

Powering Low Latency Live Streaming

Live streaming has grown immensely over the years. Today, we can watch live events from all around the world via our laptops, mobile phones, set-top-boxes, Smart TVs, and other connected devices. A big challenge with live streaming is achieving the same level of availability as over-the-air...

The Promise and Peril of 5G

The next generation of mobile cellular technology known as fifth-generation wireless 5G is hitting a peak in the hype cycle, emerging as a major theme/5G.aspx at the Consumer Electronics Show CES this week. Wireless carriers are investing billions of dollars into the technology, which requires a...

June 27, 2017—KB4022716 (OS Build 15063.447)

June 27, 2017—KB4022716 OS Build 15063.447 NOTE: The update that this article describes is no longer available and has been replaced by a newer update. It is recommended that you install the most current cumulative update, KB4025342. Improvements and fixes This non-security update includes qualit...

HTSlib Arbitrary File Overwrite Vulnerability

HTSlib is a library written in C for accessing high-throughput sequencing data such as SAM, CRAM and VCF. A competitive condition vulnerability exists in the cram/cramio.c file in HTSlib version 1.8. An attacker can exploit this vulnerability by performing a symbolic link attack to overwrite...

Effectively Detecting Low Throughput and Malicious DNS Exfiltration

In a previous blog post, we described how the DNS protocol, mainly designed for hostname to IP addresses resolution, can be abused for arbitrary data exchange. Based on throughput i.e., bytes per hour, we distinguish between two classes of data exchange over the DNS protocol. The first of the two...

Denial of Service Vulnerability in Multiple Linux Products

Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the U.S. The Linux kernel ixgbe driver and i40e/i40evf driver are among the network card drivers; DPDK is one of the data plane development kits. A denial of service vulnerability exists in several...

October 17, 2017—KB4041688 (OS Build 14393.1794)

October 17, 2017—KB4041688 OS Build 14393.1794 Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addressed rare issue where fonts may be corrupted after the Out of Box Experience is complete...

How to Troubleshoot EDT Connections

Adaptive transport is a data transport mechanism for Citrix Virtual Apps and Desktops. It is faster, can scale, improves application interactivity, and is more interactive on challenging long-haul WAN and internet connections. Adaptive transport maintains high server scalability and efficient use...

Error "Packets dropped due to licensed throughput rate being reached" on NetScaler

The following error is recorded in the ns.log file on NetScaler: EVENT Message 62992 0 : "410 packets dropped due to licensed throughput rate being reached"...

The vulnerability in the TCP transmission rate limitation mechanism, known as TCP-rottling, in the software Connected Grid Network Management System and IoT Field Network Director allows a perpetrator to cause a service failure and restart the device.

The vulnerability in the TCP throughput rate-limiting mechanism of the Connected Grid Network Management System and IoT Field Network Director software involves insufficient protection for the throughput rate limit requiring additional memory. Exploiting this vulnerability allows a malicious acto...

Introduction to DNS Data Exfiltration

Written by Asaf Nadler and Avi Aminov Spyware is a malicious software malware used to gather information about a person or organization without their consent. In a typical setting, a remote server, that acts as a command and control server C&C, waits for an incoming connection from the spyware th...

Introduction to DNS Data Exfiltration

Written by Asaf Nadler and Avi Aminov Updated 2/14/19 After the initial publication of this blog post, Asaf Nadler and Avi Aminov wrote a paper on the detection of malicious and low throughput data exfiltration over the DNS protocol. The...