Enigma Curry - Latest Comments in EnigmaCurry » Building an Ethernet Tap

Re: EnigmaCurry » Building an Ethernet Tap

OlePhart — Fri, 29 Jul 2016 19:17:02 -0000

I realize I am replying to a Zombie thread, but then, here I am 7 years later reading this article, and maybe someone else will too.

Rob, you are correct, and for anything more than a temporary or spur of the moment tap, this approach is not adequately engineered. I own a very nice passive tap I bought years ago that was carefully designed and built to minimize these issues, but I don't know of a source for them anymore.

Unfortunately, the current DualComm replacement (DCSW-1005U) for the DCSW01500U (helpfully mentioned below by Carl) does not have mirroring. The difference is in including the "U" on the end. The Dualcomm DCSW-1005 (without the U) does have mirroring, but sells for $80, not $40. The ASIN (so you can find it on Amazon) is: B002BSF112

However, Netgear does make a $40 product with mirroring, the NETGEAR ProSAFE GS105Ev2 5-Port Gigabit Web Managed (Plus) Switch (GS105Ev2). It can be found on Amazon as ASIN B00HGLVZLY.

I'm not a Netgear fan, but I've just taken a chance and ordered one of these to try. If it turns out to be junk, I will post an appropriate review of it on Amazon.

Just thought this info might help someone searching this topic. Please forive me for waking the Zombies.

Re: EnigmaCurry » Building an Ethernet Tap

brywilharris — Tue, 03 Mar 2015 11:52:51 -0000

If you've been getting break in attempts, this implies you have password authentication turned on. Generate a key pair and turn off passwords. It's not as hard as you think and then you won't have to care about Italian kids trying to guess your password

Re: EnigmaCurry » Building an Ethernet Tap

Facebook User — Tue, 27 May 2014 12:31:40 -0000

Nice idea but this is only working on 10/100 Mbit not on Gbit

the reason look here

http://www.cubro.net/cubro/...

Re: EnigmaCurry » Building an Ethernet Tap

Visitor — Wed, 24 Oct 2012 11:16:17 -0000

I supsect the wiring is wrong for tap B. Notice that Host A to Tap A is line1-line3, and line2-line6. Correct, so all Host A's sending to Tap A's receiving. Unfortunately Host B to Tap is is connected as line3-line3, line6-line6.

Re: EnigmaCurry » Building an Ethernet Tap

mailmail@mail.com — Sun, 04 Mar 2012 05:51:20 -0000

Hi,

Please, post one article for 1000 Mb Full Duplex tap sniffer?

Cheers.

Re: EnigmaCurry » Building an Ethernet Tap

Carl — Thu, 27 Jan 2011 12:34:39 -0000

Dualcomm makes a USB-powered switch with port mirroring for ~$30. The DCSW-1005U

Re: EnigmaCurry » Building an Ethernet Tap

Axel — Fri, 19 Nov 2010 08:09:41 -0000

Hi,
inspired by this I did my own solution with a double network socket. Look here for more information: http://www.pcnetzwerke.de/u...

Re: EnigmaCurry » Building an Ethernet Tap

MK — Wed, 14 Apr 2010 17:49:26 -0000

Do you know if it is possible to create a passive tap if one uses a dial up modem and logs onto a proxy server? There is the possibility of an extra computer. Challenging?

Re: EnigmaCurry » Building an Ethernet Tap

Rob Williams — Fri, 22 Jan 2010 12:28:16 -0000

Interesting article, but I suspect if you were to have the network certified with this tap in place you will find the untwisted pairs, and unjacketed cable has introduced a phenomenal amount of cross-talk between the wires which can drastically reduce network performance.