Cannot Connect to TCP Port 2000 (Even over VPN)
KB ID 0000027 Problem Note: When going through a Cisco Firewall. Even with all ports open you cannot connect to an application or website that uses TCP Port 2000, TCP Port 2000 allthough above the “well Known” range (i.e. above 1024) is used for SCCP (skinny client control protocol) which is a Cisco voice / phone protocol. If you push web traffic through this port – the firewall gets upset. Solution Option 1 (Via Command...
What’s My Network Address and What’s my Broadcast Address?
KB ID 0000215 Problem The network address is the IP address that is the lowest number in your network range, and the broadcast address is the highest. To find out what your is, use the form below. Solution Find your IP address and Subnet Mask then enter it below. Enter your IP address: . . . Enter your subnet mask: . . . Answer: Network Address: Broadcast Address: Related Articles, References, Credits, or External Links...
Beware “Free Public WiFi”
KB ID 0000338 Problem Ever sat in a train station, cafe, or airport, and seen “Free Public Wifi”? It’s a well known fact that my personal motto is “there’s nothing better than free things”, sadly in this case your not going to get what you were expecting 🙁 Solution There’s nothing particularly sinister about it, it’s caused by a bug that was in Windows XP. This particular bug was fixed...
Broadcom Network Cards Disappeared
KB ID 0000034 Dtd 11/06/09 Problem After Driver upgrade on Server 2008 – Broadcom network cards disappear. Seen with Broadcom NC373 (On board) and 373T (PCI) Cards. Solution 1. Roll back the Driver – Use 4.4.24.0 cp009703.exe 2. Install the above and reboot, On board chips will still not be visible (until step 3 is completed) PCI card NIC will be visible. 3. Turn on Hidden devices in device manager start > run > cmd...
NetApp – Four-Post Rail Kit
KB ID 0001007 Problem I’ve never really worked with NetApp equipment before, but today we had to rack a lot of DS2245 shelves, DS4246 shelves, and an FAS6250 controller. Every single one of these had the same rail kit. After much swearing, and inserting and removing of cage nuts and bolts, someone committed the cardinal sin of actually reading the instructions. What he discovered was you don’t fit the cage nuts to the...
Wire Your Own RJ45 Wallsockets
KB ID 0000085 Problem You want to wire your own RJ45 wall sockets Solution 1. First Get the right Tools! You will need: a. Krone Tool b. Flat Point Screwdriver c. Cable Stripper d. Wire Cutters e. Cable Tester (Not essential) 2. Hopefully before you start you will have something which looks similar to this (This is a double socket and one point is already wired) – Yours may be a single point. 3. Using your cable strippers ,...
Make Your own Patch (Or crossover lead)
KB ID 0000084 Problem You want to make your own Patch, (Or crossover lead). Solution You want to make your own Patch, (Or crossover lead). 1. First Get the right Tools! You will need: a. Some Cable b. A set of RJ45 Crimpers c. Crimp on RJ45 connectors (Plugs) – You might want to fit some stress boots also. d. Cable Stripper e. Wire Cutters f. Cable Tester (Not essential) 2. If you are fitting stess boots put them on First! 3....
Assign Public IP Address (No NAT) on a Thompson Speedtouch ST510
Bridged Mode – Thompson Speedtouch ST510 KB ID 0000210 Problem You have a device either a PC, or In my case a Cisco firewall you want to have the public IP address assigned by your ISP, rather than the translated private IP address given out by the speedtouch router/modem. Solution 1. Once you have your Speedtouch up and running, connect your devices to the back of it (it only has one internal Ethernet port so you may need to...
ZyXEL – Router Setup (Public IP Range)
KB ID 0000331 Problem You have a ZyXEL router (In my case a P-600R-D1) and you want to put a device behind it with a public IP. Note: I’m assuming you have agreed with your ISP that you will receive a range of public IP addresses. With some ASDL packages the first IP in the range usually gets allocated to the router, confirm this with your ISP. BT Business Broadband Note: If you are a BT Business customer, your setup will be...
Draytek Vigor Router Port Forwarding
KB ID 0000425 Problem This procedure was carried out on a Draytek Vigor 2800 Router, for this I needed to forward RDP (That’s on TCP Port 3389). Warning: If you need to forward any of the following ports 23 (Telnet), 80 (HTTP) , 443 HTTPS/SSL), 21 (FTP), or 22 (SSH). The Draytek has these reserved for remote management. You will need to change the port number (system Maintenance > Management > Management Port Setup)....