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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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77

Data Attacks Using HTTP Tunneling: Defense and Mitigation Strategies

As more traffic across the Internet is coming under scrutiny and network administrators are making efforts to limit the traffic in and out of their networks, the one port that no one is willing to block en-masse is port 80. Users (and administrators) browse the web constantly, whether it is for work purposes or not. The lifeblood of a company's existence on the Internet requires a web presence in one fashion or another and this requires a web server, whether it is hosted by a service provider or located on a company's network. . . .. As more traffic across the Internet is coming under scrutiny and network administrators are making efforts to limit the traffic in and out of their networks, the one port that no one is willing to block en-masse is port 80. Users (and administrators) browse the web constantly, whether it is for work purposes or not. The lifeblood of a company's existence on the Internet requires a web presence in one fashion or another and this requires a web server, whether it is hosted by a service provider or located on a company's network. With every new worm, bug, or vulnerability found in IIS and Apache servers, network and secop administrators are trying to lock down these systems further at the router or firewall. To identify attacks many are turning to IDS and IPS. In this article we will look at a means to bypass the access control restrictions of a company's router or firewall. This information is intended to provide help for those who are legitimately testing the security of a network (whether they are in-house expertise or outside consultants). This article, by no means, condones the use of this information for the purpose of unauthorized access to a network or a system. Finally, this article will provide some pointers on how to defend against this attack. The link for this article located at securityfocus.com is no longer available. . Data-driven attacks are on the rise due to HTTP tunneling, where normal requests mask malicious actions, complicating threat detection for securitysystems.. data attack,http tunneling,network testing,web server security. . LinuxSecurity.com Team

Calendar 2 Aug 03, 2004 User Avatar LinuxSecurity.com Team Server Security
74

Increased DDoS Threats Targeting Global Internet Infrastructure

t has been little more than a year since a massive data attack struck the underpinnings of the Internet, and security experts say a more coordinated attempt could do even worse damage. On October 21, 2002, people around the world cruised . . . . t has been little more than a year since a massive data attack struck the underpinnings of the Internet, and security experts say a more coordinated attempt could do even worse damage. On October 21, 2002, people around the world cruised through cyberspace the way they do every day -- bidding on auctions, booking airline reservations, sending e-mail -- all the while unaware that someone was working overtime to try to bring the Internet to its knees. Around 5 p.m. Eastern time, operators of the Internet's root servers, the computers that provide the roadmap for all online traffic, saw an unnaturally large spike in the amount of incoming data. It was a "distributed denial-of-service attack," a concentrated attempt to throw so much information at the servers that they would shut down. The link for this article located at BizReport is no longer available. . Following an extensive cyber breach last year, specialists are sounding alarms about synchronized DDoS assaults endangering the stability of the web.. DDoS Attacks,Cyber Threats,Network Security. . Anthony Pell

Calendar 2 Nov 05, 2003 User Avatar Anthony Pell Network Security
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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