Tag Archives: Pack

Snagless RJ45 connectors – How To Make Network Cables Snagless

Patch Panel

Snagless RJ45 Connectors – the Odd Request

Snagless RJ45 connectors are that odd request that my department makes from time to time. Why do you need RJ45 connectors anyway, it’s the invariable answer from supervisors, and the typical reminder: “You have all sorts of patchcords, all dimensions…” Well, first of all, we sysadmins never have all the patchcords dimensions available. The IT racks should be something that should be kept as tidy as possible, and one way is to have custom length of the patchcords.

Depending on your infrastructure, you might want or might not want to use handmade patchcords in your racks; however, in many cases this is totally acceptable. You can probably make a Cat 5 patchcord, but you won’t be able to make a Cat 6 one. In other words your hand made patchcords will be able to run at Gigabit speeds, but not at 10 Gigabit speeds, even with the proper connectors and cables. Having said that, most of the equipment in a business server room is connected into a Gigabit switch or at lower speeds, so this would not be a problem.

Custom Patchcords – Always Broken Lokcing Tabs

The major problem with all the handmade Ethernet patchcords and cables is that the locking tab is breaking. I probably don’t have to explain why broken tabs are bad; they will not be secured into the equipment’s jack, resulting in intermittent data loss, or even disconnection.

There are two reasons for the locking tabs breaking so often. Firstly, the little locking tab is very fragile, and we can’t change that, it is fragile to keep the costs down. The other reason is the design, the locking tab sticks out, and it is very easy to get snagged and broken off. All store-bought cables come with a snagless boot; it’s the standard these days. All the cables with broken locking tabs don’t have the boots, because they are terminated in place, by either a datacom tech, or an admin.

These plugs from Panduit are the best snagless RJ45 connectors.

The connectors are meant for patch cords, and they are rated as providing Category 5e performance.

The patented tangle-free plug latch prevents snags, hence breaking.

They are easy release, unlike some snagless boots, and they save time on frequent moves, adds, and changes.

The design facilitates easy insertion and termination of wires

What Is the Solution for Broken RJ45 Connectors

One of the solutions to fix the snagging network cables is to install a "snagless" boot over the cable, before crimping the connector. After crimping, just push the boot over the connector and the boot will protect the little tab.

My preferred way to fix this is to use snagless RJ45 connectors, and a boot. This ensures the plug will not break ever, unless you purposely do it. You can also use just the snagless connectors, they are very good, and I do it very often, but if I have both the snagless connectors and the snagless boots, I will use both for optimization. The snagless plugs are slightly more expensive than the regular ones, but when you draw the line, and consider the troubleshooting needed on the long term, and the fact that sooner or later those RJ45 connectors will break and will need to be replaced, the additional cost is worth paying.

Like I already mentioned before, with the low prices for commercial made patchcords, and the quality ensured by a machine made ethernet cable, there is no need to make your own, it's just not practical.

This cables are made in a commercial facility, they are tested, and they come in a variety of lengths, just choose the one that is right for you. You can even get  to choose the color, so you can color code your patch panel connections, so everything looks tidy, and easy to follow.

Free Protection against Computer Viruses and Other Malware

Today’s computers are under a constant assault of viruses and other malware. We all need to have up to date Antimalware software to protect our computer. Buying antivirus software and subscription could be expensive because you need to update your subscription yearly. However there are free options for your computer’s security.

What is Malware?

Computer Malware

Malware is a general term for any software designed with the intention to affect negatively a computer or to steal private information.
Malware includes computer viruses, worms, trojan horses, rootkits, spyware, adware, crimeware and other malicious software.

There is a misconception that only Windows operating systems are affected by Malware. However, this isn’t true. Mac’s and Linux machines are affected as well. There are not as many viruses written for Mac and Linux machines, but this is mainly because of their popularity as Operating Systems. Windows OS is the most popular therefore many Malware programmers exists.

Today a computer without an antivirus is extremely vulnerable. Especially if the computer is connected to Internet or and exchanges files with other computers, which is the case of most of the computers today. More than that, nowadays an antivirus is not enough for avid Internet users. There are so many types of threats that an antivirus alone will not protect you entirely. All computers should have an up to date Antivirus and Antispyware as a minimum. Sometimes, websites that seem inoffensive can infect your computer with spyware, Trojans or even computer viruses.

Some websites will create deceiving pop-ups to mislead you in believing that your computer is infected. An action is requested on the next step asking you if you want to scan your computer. Many times you don’t have the choice to refuse this action as the pop-up special crafted and you cannot close it. The best thing to do in this situation is to save all of your work and logoff or reboot your computer. Advanced users can alternatively kill the task from the task manager.

Free Antimalware

There are a few good choices for people who don’t want to pay for their computer security. There are free antivirus, free antispyware, free personal firewalls, and free anti add-ware. The vast majority of them are only free for personal use. In other words, if your computer is a company computer you should buy a license.
Don’t forget that you need to have at least an antispyware, an antivirus, and a firewall to be protected, or software that combines all of them.

Firewall

Firewall

A firewall is a must for any laptop, since connecting your laptop in other networks puts a serious threat on the security of your computer. Depending on how your home firewall is configured, if you own one, you might need a firewall on all of your home computers.

A basic firewall is included with all modern operating systems so you don’t need to buy one. However, if you need a more advanced personal firewall that gives you a very granular control of all your network and Internet activity, in and out, you should consider the free Sygate Personal Firewall, or Online Armor Free, or Comodo firewall which is part of the Comodo Internet Security suite, or Sunbelt Personal Firewall.

Antispyware

Spyware is one of the most common Malware today. Spyware can range from almost inoffensive pieces of code to software that will damage your computer and make you lose data or steal private information from your computer. A computer without an antispyware protection will be, sooner or later, affected by spyware.
There are a few free Anti-spyware products on the market. I will first mention the free for anyone “Spybot-S&D!”. It is a good antispyware with a long history on the Market. You need some computer knowledge to configure it for best results. If you need a scan only free Anti-Spyware it’s one of the best choices.
Ad-aware, the known anti add-ware has evolved to an antispyware program. There is a free limited version.
Windows Defender is Microsoft’s antispyware solution. Windows Defender is now part of the operating system with Windows Vista and Windows 7. There are Free, (for Personal Use), Security Suites that include antispyware as part of the bundle. See the Security Suites for more antispyware.

Antivirus

Clamav Logo

Antivirus has always been a must for any computer that exchanges data with other computers in any way. There are viruses that can even render your computer useless. For instance the virus CIH will corrupt your computer BIOS. The BIOS chip is essential for starting your computer. Other viruses will trash all your hard drive data.

Free antivirus programs exist on the market. ClamAv is a free, open source, antivirus for both personal and commercial use. Other free for personal use Antivirus include Avira Antivir, Kaspersky Anti-Virus free edition, Norton Security Scan and eTrust EZ Antivirus as a one year trial. There are also free online scanners, many antivirus manufacturers provide an online scanner for free.

Security Suites

Security suites are sets of Anti-Malware programs designed to protect against more than one threat. They can contain an Anti-Virus, an Anti-Spyware, Anti-Phishing, a firewall, an Anti-SPAM, as well as other protections against Malware. They are the choice of most of us since they are easy to administrate and don’t require advanced computer knowledge.
Very popular Free Security Suites are AVG, Avast, Comodo Internet Security, Google Pack – a collection of software that includes an antivirus and an Anti-spyware and Microsoft’s Security Essentials.

As you see, there are a lot of free choices, so not having an up-to-date Anti-virus and Anti-spyware is free if you can’t afford to pay for one.
Share you thoughts about Internet Security and your choice of Antivirus.