To block Skype messenger traffic from an organisations internal network?
Hello All, I am trying to figure out how one can block skype from an organisations internal network? The threat here is it has the ability to change the port on which it is communicating. Normally ports 80 and 443 are open on a firewall for web browsing.

Answer Question   |  February 5, 2010  4:22 PM
Firewalls, Network administration, Network monitoring

Limited Connectivity in a Network Enviorment
I have been having this problem on serveral PC’s. I have to setup up a new PC on our network and i am getting a limited connectivity error on the NIC card. I have checked all the setting on the PC. I tride to use another PC and i got the same error. I looked [...]

Answer Question   |  August 10, 2009  2:11 PM
DHCP, Network connectivity, Network Interface Cards, NIC, Windows Server 2003

DNS Reverse lookup zone duplicate
i currently having a problem with my dns server it always giving error about event id 4515 saying that duplicate zone exit . but i already checked every thing i went to ADSIEDIT and also checked in DNS but still same error , is there any other way to get it solved …

Answer Question   |  August 10, 2009  4:23 AM
DNS errors, DNS server, Event ID, Event ID 4515

Network CAT5 cable issue…
I had my new house pre-wired with CAT5. I have been running my home pc wireless to date, but now the adapter has pooped out. I bought push down connectors and wired them according to the “A” standard (both ends the same), and connected it to the router. My pc tells me there is limited [...]

Answer Question   |  August 25, 2009  6:08 PM
CAT 5, Network, Network connectivity

Optimized network Diagram
Hi I have two Cisco 3750 redundant switches, a BlueCoat, an exchange server, a microwave connection, I want to connect them to a Cisco ASA 5510, and make a DMZ for the exchange server, Please some one give me an optimized diagram for the connection of those devices.

Answer Question   |  August 9, 2009  11:53 AM
Cisco 3750, Cisco ASA 5510, Cisco switches, Network applications management, Network Diagram, Switches

FTP of Binary file to mainframe.
I have a binary file on a UNIX box that I need to ftp to a mainframe as RECFM=FB and LRECL=180. How do I format the ftp script?

Answer Question   |  August 11, 2009  3:17 PM
FTP, Mainframe, Unix

Internet connection disconnects
My Internet connection disconnects. I checked my LAN settings in Network Settings , it shows status “Connected”. But if i try connecting any website it shows The page cannot be displayed……. To attempt fixing network connectivity problems, click Tools, and then click “Diagnose Connection Problems……..” This is very annoying. I have to disconnect my internet [...]

Answer Question   |  September 28, 2010  2:42 PM
LAN, Network connectivity

Where can I get a list of FTP error codes
FTP ERROR CODES (IE. 0166, 1808 ETC Can I get a list with an explanation

Answer Question   |  August 7, 2009  1:06 PM
FTP, FTP Error Codes

Cisco 1841 isdn config
sir ihave cisco 1841 router . how can configuring isdn in bri port .how can i config static route

Answer Question   |  August 7, 2009  12:48 PM
Cisco 1841, ect, ISDN, ISDN Configuration

ping-Request timed out problem
hello i have two computers. one computer(A) is a leptop of HP the second(B) is regular pc. when A send ping to B it gets Request timed out. and when B send ping to A it gets also Request timed out. but the two of them can ping the defult gateway. i disable the firewall [...]

Answer Question   |  August 7, 2009  11:39 AM
CMD, IP, Network testing, Ping, Ping Request Timed Out, Ping Requests

Windows Server connectivity to local user
I HAVE TIRED MANY TO CONNECT A USER TO DOMAIN BUT UNABLE TO CONNECT. I HAVE INSTALL ADS,DHCP,DNS SERVER… BUT THEN TO UNABLE TO CONNECT. PLS TELL WHAT ALL I NEED TO CHAECK …THE ERROR THAT OCCURS IS THAT THERE IS SOME PROM INDNS SERVER CONFIG. PLS TELL ME STEP BY STEP PROCEDURE TO CONNECT [...]

Answer Question   |  August 17, 2010  9:51 AM
Network connectivity, Windows Server, Windows Server troubleshooting

how i can message a user in lan through command prompt in windows Xp SP2 Os with out any third party software
how i can message a user in lan through command prompt in windows Xp SP2 Os with out any third party software. Specially through dos commands

Answer Question   |  August 8, 2009  6:49 AM
Command Prompt window, LAN, Windows XP, Windows XP SP2

The TCP/IP protocol stack that ran out of memory, whay it occurs, how to over come this error in lotus
The TCP/IP protocol satck that ran out of memory, why it occurs, how to over come this error in lotus

Answer Question   |  May 29, 2010  5:43 AM
Lotus error messages, TCP/IP, TCP/IP Protocols

Cisco Router ips & ids
what are the commands in ips & ids in cisco router? how to configure

Answer Question   |  August 7, 2009  3:56 AM
Cisco Routers

comparacion entre switches 2950 y 2960
Necesito saber dado a algunas recomendaciones que me han llegado ¿que ganaria pasando de un switch 2950 a un 2960? administra mejor las vlans??es mas rapido??etc agradeceria sus comentarios y opiniones personales hacerca de los aparatos ***************************** I need to know given to some recommendations that have come to me that ganaria happening from a [...]

Answer Question   |  August 6, 2009  7:06 PM
Cisco 2950, Cisco 2960, Cisco switches, Switches

local connection client/server timeout after inactivity?
Does anyone know the default setting for a local client to lose connection to server after a period of inactivity? Got a gut that goes 3 – 4 hours without using computer and server connection is gone when he trys. He has to reboot to regain connection.

Answer Question   |  August 6, 2009  3:50 PM
Client/Server, Connection timeout, Network Connection Problem, Network Timeout

Internet connection sharing
Hello friends, i am a new member of this site. i am using internet through LAN sharing (Windows XP). i have some project on GPRS Based. when i dial GPRS connection from my PC. it is disconnecting from INTERNET. its seems windows is taking the dial up connection as a default, coz it is on [...]

Answer Question   |  August 7, 2009  2:26 PM
GPRS, LAN, LAN Sharing

comparacion entre switches para Vlan
Ventajas y Desventajas en una Vlan, con switch cisco 2950 o 3750?

Answer Question   |  August 6, 2009  2:18 PM
Cisco 2950, Cisco 3750, Switches, VLAN

comparaciones entre switch 2950 y un 3750 cisco
necesito saber ventajas y desventajas de los switch cisco 2950 y 3750, ya que tengo que segmentar una red, ya tengo el 2950 pero esta la opcion de adquirir un 3750..¿que hago?

Answer Question   |  August 6, 2009  1:54 PM
Cisco 2950, Cisco 3750, Cisco switches

management of routers
what are the types and advantages of the various routers?

Answer Question   |  August 13, 2010  12:58 PM
Router Performance, Routers