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Should Linux servers automatically install security updates?

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/main-polls/157-should-linux-servers-automatically-install-security-updates?task=poll.vote&format=json
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[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":1,"type":"x","order":1,"pct":16.67,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":3,"type":"x","order":2,"pct":50,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":2,"type":"x","order":4,"pct":33.33,"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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74

Mastering Undetected Packet Sniffing Techniques for Ethernet Traffic

All you need is a MAC and a dev and you can sniff without sending packets. So I have been in some tight spots where I had to sniff a password or two off the wire, or sniff some packets off the wire undetected and based on the packets content do something. So I tried a few things and this is what worked. . . Master the art of stealthily intercepting Ethernet data using merely a MAC address and a development setup, refining your network monitoring expertise.. Packet Sniffing, Ethernet Traffic, Network Security. . Anthony Pell

Calendar%202 Jan 02, 2007 User Avatar Anthony Pell Network Security
74

Exploring Packet Sniffing Techniques in Layer 2 Switched Networks

Packet sniffing is a technique of monitoring network traffic. It is effective on both switched and nonswitched networks. In a non-switched network environment packet sniffing is an easy thing to do. This is because network traffic is sent to a hub . . . . Packet sniffing is a technique of monitoring network traffic. It is effective on both switched and nonswitched networks. In a non-switched network environment packet sniffing is an easy thing to do. This is because network traffic is sent to a hub which broadcasts it to everyone. Switched networks are completely different in the way they operate. Switches work by sending traffic to the destination host only. This happens because switches have CAM tables. These tables store information like MAC addresses, switch ports, and VLAN information. Before sending traffic from one host to another on the same local area network, the host ARP cache is first checked. The ARP cache is a table that stores both Layer 2 (MAC) addresses and Layer 3 (IP) addresses of hosts on the local network. If the destination host isn't in the ARP cache, the source host sends a broadcast ARP request looking for the host. When the host replies, the traffic can be sent to it. The traffic goes from the source host to the switch, and then directly to the destination host. This description shows that traffic isn't broadcast out to every host, but only to the destination host, therefore it's harder to sniff traffic. The link for this article located at Help Net Security is no longer available. . Packet analysis is a method for observing data flow within a network. Its efficacy spans across both switched and non-switched systems.. Packet Sniffing, Network Traffic, Switched Networks, Monitoring Technique. . Anthony Pell

Calendar%202 Dec 15, 2003 User Avatar Anthony Pell Network Security
74

Risks of Email Interception and How to Secure Your Data

The Internet has radically changed the way we communicate with each other. Email is obviously an extremely valuable and ubiquitous form of communication, but with this technology comes certain pitfalls that should be understood. The path that an email message takes . . . . The Internet has radically changed the way we communicate with each other. Email is obviously an extremely valuable and ubiquitous form of communication, but with this technology comes certain pitfalls that should be understood. The path that an email message takes to reach its recipient is a complex and varying one, and while in transit that message may come under the potential scrutiny of numerous different people and organizations. We will attempt to outline the varying paths that an email message may travel, and who some of those different people and organizations might be under whose scrutiny the message may pass. The intention of the document is not to provide a how-to guide; the only specific technique that will be discussed, packet sniffing, is one that anybody with any technical networking knowledge whatsoever is already familiar with - which brings us to an important point. At a round number, there are probably at least a million people in the world with the requisite technical knowledge necessary to intercept Internet-based email. Yes, I said a million. (There are actually probably a lot more than that - maybe several million by now, and more everyday as the populace becomes more networking-literate.) Fortunately, the number of those people who actually have the physical access necessary to intercept email is much smaller, but it is still a very large number. The link for this article located at WildID is no longer available. . Delve into the critical threats that your emails encounter while being sent over the internet, and understand how they can be intercepted. Uncover essential information on this matter.. email interception risks, network security threats, data privacy issues. . Anthony Pell

Calendar%202 Aug 06, 2001 User Avatar Anthony Pell Network Security
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Should Linux servers automatically install security updates?

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/main-polls/157-should-linux-servers-automatically-install-security-updates?task=poll.vote&format=json
157
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[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":1,"type":"x","order":1,"pct":16.67,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":3,"type":"x","order":2,"pct":50,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":2,"type":"x","order":4,"pct":33.33,"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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