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Proceedings of the Bsdcon 2002 Conference
USENIX Association Proceedings of the BSDCon 2002 Conference San Francisco, California, USA February 11-14, 2002 THE ADVANCED COMPUTING SYSTEMS ASSOCIATION © 2002 by The USENIX Association All Rights Reserved For more information about the USENIX Association: Phone: 1 510 528 8649 FAX: 1 510 548 5738 Email: [email protected] WWW: http://www.usenix.org Rights to individual papers remain with the author or the author's employer. Permission is granted for noncommercial reproduction of the work for educational or research purposes. This copyright notice must be included in the reproduced paper. USENIX acknowledges all trademarks herein. Flexible Packet Filtering: Providing a Rich Toolbox Kurt J. Lidl Deborah G. Lidl Paul R. Borman Zero Millimeter LLC Wind River Systems Wind River Systems Potomac, MD Potomac, MD Mendota Heights, MN [email protected] [email protected] [email protected] Abstract The BSD/OS IPFW packet filtering system is a well engineered, flexible kernel framework for filtering (accepting, rejecting, logging, or modifying) IP packets. IPFW uses the well understood, widely available Berkeley Packet Filter (BPF) system as the basis of its packet matching abilities, and extends BPF in several straightforward areas. Since the first implementation of IPFW, the system has been enhanced several times to support additional functions, such as rate filtering, network address translation (NAT), and traffic flow monitoring. This paper examines the motivation behind IPFW and the design of the system. Comparisons with some contemporary packet filtering systems are provided. Potential future enhancements for the IPFW system are discussed. 1 Packet Filtering: An Overview might choose to copy only this data. -
Security Analytics 8.1.X Reference Guide
Security Analytics 8.1.x Reference Guide Updated: Friday, November 15, 2019 Security Analytics Reference Guide Security Analytics 8.1 Copyrights, Trademarks, and Intellectual Property Copyright © 2019 Symantec Corp. All rights reserved. Symantec, the Symantec Logo, the Checkmark Logo, Blue Coat, and the Blue Coat logo are trademarks or registered trademarks of Symantec Corp. or its affiliates in the U.S. and other countries. Other names may be trademarks of their respective owners. This document is provided for informational purposes only and is not intended as advertising. All warranties relating to the information in this document, either express or implied, are disclaimed to the maximum extent allowed by law. The information in this document is subject to change without notice. THE DOCUMENTATION IS PROVIDED "AS IS" AND ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID. SYMANTEC CORPORATION SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS DOCUMENTATION. THE INFORMATION CONTAINED IN THIS DOCUMENTATION IS SUBJECT TO CHANGE WITHOUT NOTICE. SYMANTEC CORPORATION PRODUCTS, TECHNICAL SERVICES, AND ANY OTHER TECHNICAL DATA REFERENCED IN THIS DOCUMENT ARE SUBJECT TO U.S. EXPORT CONTROL AND SANCTIONS LAWS, REGULATIONS AND REQUIREMENTS, AND MAY BE SUBJECT TO EXPORT OR IMPORT REGULATIONS IN OTHER COUNTRIES. YOU AGREE TO COMPLY STRICTLY WITH THESE LAWS, REGULATIONS AND REQUIREMENTS, AND ACKNOWLEDGE THAT YOU HAVE THE RESPONSIBILITY TO OBTAIN ANY LICENSES, PERMITS OR OTHER APPROVALS THAT MAY BE REQUIRED IN ORDER TO EXPORT, RE-EXPORT, TRANSFER IN COUNTRY OR IMPORT AFTER DELIVERY TO YOU. -
Uila Supported Apps
Uila Supported Applications and Protocols updated Oct 2020 Application/Protocol Name Full Description 01net.com 01net website, a French high-tech news site. 050 plus is a Japanese embedded smartphone application dedicated to 050 plus audio-conferencing. 0zz0.com 0zz0 is an online solution to store, send and share files 10050.net China Railcom group web portal. This protocol plug-in classifies the http traffic to the host 10086.cn. It also 10086.cn classifies the ssl traffic to the Common Name 10086.cn. 104.com Web site dedicated to job research. 1111.com.tw Website dedicated to job research in Taiwan. 114la.com Chinese web portal operated by YLMF Computer Technology Co. Chinese cloud storing system of the 115 website. It is operated by YLMF 115.com Computer Technology Co. 118114.cn Chinese booking and reservation portal. 11st.co.kr Korean shopping website 11st. It is operated by SK Planet Co. 1337x.org Bittorrent tracker search engine 139mail 139mail is a chinese webmail powered by China Mobile. 15min.lt Lithuanian news portal Chinese web portal 163. It is operated by NetEase, a company which 163.com pioneered the development of Internet in China. 17173.com Website distributing Chinese games. 17u.com Chinese online travel booking website. 20 minutes is a free, daily newspaper available in France, Spain and 20minutes Switzerland. This plugin classifies websites. 24h.com.vn Vietnamese news portal 24ora.com Aruban news portal 24sata.hr Croatian news portal 24SevenOffice 24SevenOffice is a web-based Enterprise resource planning (ERP) systems. 24ur.com Slovenian news portal 2ch.net Japanese adult videos web site 2Shared 2shared is an online space for sharing and storage. -
Hotspot Feature for Wi-Fi Clients with RADIUS User Authentication on Digi Transport
Application Note 56 Hotspot feature for Wi-Fi clients with RADIUS User Authentication on Digi TransPort. Digi Support November 2015 1 Contents 1 Introduction ......................................................................................................................................... 4 1.1 Outline ......................................................................................................................................... 4 1.2 Assumptions ................................................................................................................................ 4 1.3 Corrections .................................................................................................................................. 4 2 Version .................................................................................................................................................5 3 Configuration .......................................................................................................................................5 3.1 Mobile Interface Configuration .....................................................................................................5 3.2 Ethernet Interface Configuration ................................................................................................. 6 3.2.1 ETH 0 Configuration ................................................................................................................. 6 3.2.2 ETH 12 Logical Interface Configuration .................................................................................... -
Firewall and Proxy Server HOWTO Firewall and Proxy Server HOWTO
Firewall and Proxy Server HOWTO Firewall and Proxy Server HOWTO Table of Contents Firewall and Proxy Server HOWTO................................................................................................................1 Mark Grennan, mark@grennan.com.......................................................................................................1 1. Introduction..........................................................................................................................................1 2. Understanding Firewalls......................................................................................................................1 3. Firewall Architecture ..........................................................................................................................1 4. Setting up the Linux Filtering Firewall ...............................................................................................1 5. Software requirements.........................................................................................................................1 6. Preparing the Linux system.................................................................................................................1 7. IP filtering setup (IPFWADM)............................................................................................................2 8. IP filtering setup (IPCHAINS).............................................................................................................2 9. Installing a Transparent SQUID -
Multiple Internet Connections by Balancing Traffic and Managing Failover with Zeroshell
Multiple Internet Connections by Balancing Traffic and Managing Failover With Zeroshell The purpose of this document is to describe the creation of a router to access a network that uses multiple Internet connections in order to balance the outgoing LAN demand and to obtain network access redundancy, managing fault situations for one or multiple lines. To reach our objective, we shall use the Net Balancer module by Zeroshell. Lastly, we shall examine the possibility of aggregation (Bonding) of VPN aimed at increasing the bandwidth for point-to-point connection between remote locations via the Internet. Is it really possible to increase the Internet connection bandwidth? The answer to this question is not, "yes, absolutely." It depends on what you mean by increasing the Internet connection bandwidth. In essence, the Net Balancer distributes requests originating from the LAN by round-robin (weighed) policy over multiple Internet gateways. In other words, if at a given point in time there is only one LAN user making only one TCP connection (e.g. he executes only one download from the web), his traffic will flow from a single gateway, thus it would not benefit from balanced connections. Instead, if the LAN is crowded with users, each executing multiple requests at the same time, as a whole, their connections will have access to a higher bandwidth, equal to the sum of the single-access bandwidths. We then conclude that a single connection may never have more bandwidth than what offered by a single link, while multiple simultaneous connections will, on average, altogether have access to a greater bandwidth, which will stretch to the sum of the bandwidths of all the Internet links being balanced. -
TFG Borrador 1 último
Trabajo Final de Grado Facultad de Ingeniería en Telecomunicaciones Tema: IMPLEMENTACIÓN DE UN SISTEMA AUTÓNOMO Y REDISEÑO DE LA RED DE DATOS Matias E. Lauretta Saad Tutor: Enrique G. Banchio Ignacio Segura 1 Año 2018 Dedicatoria A la paciencia y confianza en mí de mujer y mi familia. Matias E. Lauretta Saad 2 Agradecimientos A mi mujer por su confianza y apoyo. A mi familia que siempre me alentó a terminar mis estudios. A mis amigos y compañeros de la facultad que me acompañaron todos estos años. Matias E. Lauretta Saad 3 Resumen El auge de las tecnologías de internet conlleva a un incremento del uso de recursos de red lo que llevó al Instituto a tramitar la asignación de un número de sistema autónomo con el pool de direcciones IP asociadas. Siendo responsable de la propagación de estas direcciones y sus reglas de ruteo. Por consiguiente, resulta necesario un replanteo de la red del instituto que satisfaga las necesidades de los usuarios actuales y se provea de herramientas de administración de red que facilite la gestión de tráfico para los servicios relevados y la seguridad de la red. Con el presente trabajo se hace un relevamiento de las herramientas disponibles, servicios que brinda la red, necesidades futuras y se realiza un re-diseño lógico de la red y una propuesta de configuración para la herramienta de gestión y seguridad 4 Glosario ISP: Proveedor de Servicios de Internet o ISP (del inglés Internet Service Provider) AS: Sistema Autónomo o AS (del inglés Autonomous System) ASN: Número de Sistema Autónomo o ASN (del inglés Autonomous System Number) LACNIC: Registro de Direcciones de Internet para América Latina y Caribe (del inglés Latin American and Caribbean Internet Addresses Registry) MAN: Metropolitan Área Network, Red de Área Metropolitana WAN: Wide Area Network, Red de Área Amplia LAN: Local Area Network. -
Block Icmp Ping Requests
Block Icmp Ping Requests Lenard often unpenned stutteringly when pedigreed Barton calques wittingly and forsook her stowage. Garcia is theropod vermiculatedand congregate unprosperously. winningly while nonnegotiable Timothy kedges and sever. Gyrate Fazeel sometimes hasting any magnetron Now we generally adds an email address of icmp block ping requests That after a domain name, feel free scans on or not sent by allowing through to append this friendship request. Might be incremented on your Echo press and the ICMP Echo reply messages are commonly as! Note that ping mechanism blocks ping icmp block not enforced for os. This case you provide personal information on. Send to subvert host directly, without using routing tables. Examples may be blocked these. Existence and capabilities is switched on or disparity the protocol IP protocol suite, but tcp is beat of. We are no latency and that address or another icmp message type of icmp ping so via those command in this information and get you? Before assigning it is almost indistinguishable from. Microsoft Windows found themselves unable to download security updates from Microsoft; Windows Update would boost and eventually time out. Important mechanisms are early when the ICMP protocol is restricted. Cisco device should be valuable so a host that block icmp? Add a normal packet will update would need access and others from. Now check if you? As an organization, you could weigh the risks of allowing this traffic against the risks of denying this traffic and causing potential users troubleshooting difficulties. Icmp block icmp packets. Please select create new know how long it disables a tcp syn flood option available in specific types through stateful firewalls can have old kernels. -
Linksys E800 Router User Guide
User Guide Linksys E800 Linksys E800 Contents Contents Product overview How to find your network on the Internet 14 How to clone a MAC address 15 Package contents 1 How to connect to your corporate office using a VPN 15 Features 1 Back view 2 How to optimize your router for gaming and voice 16 Bottom view 2 How to remotely change your router settings 17 How to enable Voice over IP on your network 18 Setting Up: Basics How to configure UPnP 19 How to create a home network 3 How to use a router as an access point 19 What is a network? 3 How to put your new router behind an existing router 21 How to set up a home network 3 To add your router to an existing router or gateway 21 Where to find more help 3 To share an Internet connection 21 To extend your network 23 How to set up your router 3 How to start Cisco Connect 4 How to expose a device to the Internet 23 How to improve your wireless connection speed 5 How to test your Internet connection speed 5 Improving Security How to connect devices to your network 6 How do I know if my network is secure? 25 How to connect a computer to your network 6 How to connect a printer 8 Network security following a manual setup 25 How to connect other devices 8 How to set up wireless security using Wi-Fi Protected Setup 26 How to change your router’s name and password 10 Wi-Fi Protected Setup activity light 26 Connecting a device using the Wi-Fi Protected Setup button 26 How to connect a device using its Wi-Fi Protected Setup PIN 27 How to connect a device using the router’s Wi-Fi Protected Setup PIN 27 -
Internet Protocol Suite
InternetInternet ProtocolProtocol SuiteSuite Srinidhi Varadarajan InternetInternet ProtocolProtocol Suite:Suite: TransportTransport • TCP: Transmission Control Protocol • Byte stream transfer • Reliable, connection-oriented service • Point-to-point (one-to-one) service only • UDP: User Datagram Protocol • Unreliable (“best effort”) datagram service • Point-to-point, multicast (one-to-many), and • broadcast (one-to-all) InternetInternet ProtocolProtocol Suite:Suite: NetworkNetwork z IP: Internet Protocol – Unreliable service – Performs routing – Supported by routing protocols, • e.g. RIP, IS-IS, • OSPF, IGP, and BGP z ICMP: Internet Control Message Protocol – Used by IP (primarily) to exchange error and control messages with other nodes z IGMP: Internet Group Management Protocol – Used for controlling multicast (one-to-many transmission) for UDP datagrams InternetInternet ProtocolProtocol Suite:Suite: DataData LinkLink z ARP: Address Resolution Protocol – Translates from an IP (network) address to a network interface (hardware) address, e.g. IP address-to-Ethernet address or IP address-to- FDDI address z RARP: Reverse Address Resolution Protocol – Translates from a network interface (hardware) address to an IP (network) address AddressAddress ResolutionResolution ProtocolProtocol (ARP)(ARP) ARP Query What is the Ethernet Address of 130.245.20.2 Ethernet ARP Response IP Source 0A:03:23:65:09:FB IP Destination IP: 130.245.20.1 IP: 130.245.20.2 Ethernet: 0A:03:21:60:09:FA Ethernet: 0A:03:23:65:09:FB z Maps IP addresses to Ethernet Addresses -
Internet of Things
8.5 GB Motorola Xiaomi Mi Lenovo A lightweight and Dual Layer DVD Moto Turbo A Powerful Processor Low on cost but high Yoga 3 Pro Free on performance premium quality Free Smartphone With a Brilliant Screen Pad Tablet Hybrid Laptop convertible `150 Remote Desktop Sharing with Chrome Recover Data from www.pcquest.com Encryped Hard Disk UNDERSTAND • CHOOSE • IMPLEMENT IT MAY 2015 with Ubuntu Internet of Things: The Road Ahead Key industries that are bullish on IoT and why, ISVs that live on IoT, 5 innovative IoT startups, latest trends on IoT adoption by businesses, and more... CONTEST: If your disks are missing, please ask your newsagent or email: [email protected] please ask your newsagent or email: If your disks are missing, WIN Ashampoo Snap 8 screen capturing tool and licensed copy of KEYWIN worth `44,000. See pg 58 for details Hot Trends: Developer Corner: The Pros and Cons of Net Neutrality How to Reduce Vulnerabilities in Android Apps How Online-only Mobile Brands are Shootouts Redefining Retail 12 Portable Bluetooth Speakers 5 Big Data Costs You Can’t Afford to Ignore 10 Budget Smartphones under `10,000 Subscribe to PCQuest and get antivirus worth `1,800 free. For details, go to pg. 74 92 pages including cover Contents 36 COVER STORY Internet of Things: The Road Ahead Moving beyond the initial euphoria, IoT has steadily progressed to impact our lives in several meaningful ways. Going forward we expect both businesses and individuals to make steady returns on their investments 38 5 Key Industries that are Bullish on IoT 42 -
Ipfire Duobox Business, 4 GB RAM, 64 GB SSD
Item no.: 323825 IPFire DuoBox Business, 4 GB RAM, 64 GB SSD from 462,37 EUR Item no.: 323825 shipping weight: 1.20 kg Manufacturer: IPFire Product Description IPFire DuoBox Business, 4 GB RAM, 64 GB SSDThis Firewall version was specifically designed for small offices und home offices, in which a stable and fast Internet connection is essential. The Duo Box Business provides you with fast Internet, while being low-cost and energy-efficient. It keeps your business connected and, most importantly, it keeps your network safe. Main Features: ● 2x Gigabit Ethernet for LAN and WAN ● 1x 300 Mbit dual-band Wi-Fi with access point mode ● optionally upgradeable with LTE Scope of Delivery: ● System ● Power Cable ● PSU ● 2x WLAN antennas Specifications Application: Firewall application for SOHO, branch offices and IoT Type: aluminum profile construction without venting holes, black anodized Dimensions (W x D x H): 134 x 108 x 55 mm Weight: 1.2 kg Cooling: directly attached to chassis Operating conditions: 0 - 50 °C / 80 % rel. humidity CPU: Intel Pentium 3558U, 2x 1.7 GHz RAM: 4 GB DDR3L Mainboard: customized eNUC platform I/O front (standard): 1x RS232, 1x USB 3.0, 1x Audio I/O back: 2x HDMI, 2x USB 3.0, 2x RJ45 (Realtek GLAN) I/O internal: internal I/O might be occupied - depending on your configuration, 1x mSATA/mPCIe full size, 2x USB 2.0 Storage: 1x 2.5" 64 GB SSD (industrial, MLC, 0 - +70 °C ) Graphics: Intel HD, up to 2 independend displays supported, max. resolution: 3840 x 2160 px Wireless LAN, Unex DNUR-S2 300 Mbit dual-band WLAN module LTE: Huawei 909u-5214G LTE (FDD) B1/B2/B3/B5/B7/B8/B203G DC-HSPA+/HSPA+/HSPA/UMTS B1/B2/B5/B82G EDGE/ GPRS/ GSM - 850/900/1800/1900MHz Power-In: DC wide-input 9..19V, 5.5 x 2.5 mm plug PSU: FSP060-DHAN3; external AC/DC adapterInput: 90 to 264 V ACOutput: 12 V / 60 W Power consumption: Idle 6 W, 100% load (Cel.) 11 W OS compatibility: IPFire, OPNSense, PFSense, Ubuntu Linux Scan this QR code to view the product All details, up-to-date prices and availability Powered by TCPDF (www.tcpdf.org).