Firewall/Router/Network switch help?

Question

Firewall/Router/Network switch help?

Answer 1

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Answer 2

sophisticated thing. check out over google or bing. just that could help!

Answer 3

Catalyst 2950 makes Linksys Router useless.

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Move yourself to a BigNet location.

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A Catalyst 2950, OR other networking equipment in another location, may be blocking/filtering TO SmallNet.

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In other words, you cannot get there from here. You must go somewhere else.

Answer 4

A typical Linksys router has a default IP address of 192.168.1.1

the firewall in the router that is blocking all the ports is called NAT and it will not be labeled NAT in router. You cannot disable this as it will cause opening of 65000 ports. So you only open ports you need for gaming etc. This is usually done by clicking on the tab that says port forwarding or sometimes virtual servers etc. the ports need to be forwarded to the computer that needs to use them, I.E your computer. So to look up your IP address on a Windows machine simply type "ipconfig" without the quotes in a command prompt, in Linux or Mac you type "ifconfig". If you cannot access Linksys by ip provided at beginning then you can issue the ip command provided to verify the Default Gateway which is usually the routers IP. Good luck and post in my new Forum if you need to. Ciao!

Answer 5

Trewfyre,



The switch is likely causing the restrictions on traffic associated with the port numbers that this traffic uses, or a general rule that prevents this type of traffic. One way or the other there are two ways into a Cisco switch:



1. Physically through the console port of the switch- to use this port you must have a rollover cable, that conects using a DB9-RJ45 converter to the serial port on your laptop/PC. Then use a terminal service, such as hyper terminal to access the IOS (Operating System) built into the switch. This would require physical access to the switch.



2. Through Telnet- this would require you to have the name of the switch in order to specify what you are telnetting to. By default the hostname will be Switch, however, it has likely been changed.



You would need knowledge of the hierachical based IOS that is built into this switch in order to manipulate it. In addition, it is very easy to set passwords on Telnet and Console on this switch, in addition to placing a password on elevated privileges.



You also do not know the topology of the network. There could just as easily be a hardware based firewall behind the switch, further preventing access. The Cisco switch will be command-line, and not as simple as checking a check box, information on Cisco IOS can be found here http://www.pantz.org/software/ios/ioscommands.html.



You should know that hacking a piece of hardware that does not belong to you is considered illegal.