Can only ping IP's inside Network

[rob51383]

I am trying to use WinMX (P2P Program) within a company network (Lot's of security) on Windows 2000 Pro.

I setup WinMX with CCProxy and the SOCKS5 is passing the connection request through the proxy server (The connection attempts appear in CCProxy). The IP addresses and DNS that WinMX passes to the proxy will display in Internet explorer but will not ping with the command prompt.

For Instance, one IP that is passed to CCProxy is: 66.132.146.48
If I go to that IP address in Internet explorer the page will load the same as if I go to

http://www.winmx.com.

If I ping the IP from command prompt the request times out, same if I ping the DNS name for that IP address.

The only thing that the command prompt will let me ping is IP addresses within the network. Internet explorers LAN settings are setup to go through a network Proxy server. Is it possible that there is another protocal that command prompt and other applications use to connect?

Thanks in advanced

 

[chriscj21]

Ping packets use ICMP

http://www.faqs.org/rfcs/rfc792.html

It is usual for security to block ICMP on Firewalls and Routers to prevent DOS (Denial of Service) attacks.

This is why you can't "ping" outside of your LAN/Router.


HTH





ChrisCj21
MCSE, A+, N+

 

[chriscj21]

Also I think your company will have something to say about using winmx in the workplace


ChrisCj21
MCSE, A+, N+

 

[rob51383]

Don't really care if they care =)...Never signed any agreement.

I used a program called hopster (

http://www.hopster.com)

and it circumvented the system and allowed me to connect to WinMx perfectly. It cost alot to use though, and the free version has ads and is limited to 2k/s...

I am not sure what hopster is software wise, and what it does but it gets me to connect. I am just guesstig it's auto setup feature gets my settings. There has to be a way to get around it because that program does it. It is just a matter of settings...

 

[aquias]

There are several things that could be blocking your access to the web and to the ability to ping outside of the LAN.

However, I will second Lloyd's statement on this. P2P programs are extremely unsecure, bringing this into your environment could expose the entire company to virus attacks, in addition to (depending on the type of company) open up the company to lawsuit for lax security.

And...these programs eat, devour, and smash bandwidth. Even a five year old will be able to notice the spike in T1 traffic. In addition, any monitoring tools, will point them back to your desktop.

Speaking as the guy that's taken on several roles in technology I'd advice strongly against this. The logic "I didn't sign anything" is flawed, this is an abuse of company resources AND could cost the company money if you are charged based on bandwidth useage. If you pulled this stunt on my network one of two things would happen.

1. You'd be fired, no questions.

2. A policy would be put in place and your system would never leave the network again. In addition the system itself would get locked down to disallow you to do anything beyond your work. Lastly, if I caught you on anyone else's system you'd be immediately written up.

People always joke about who to and who not to upset. There are a few people this holds true for...

1. People who handle your mail
2. People who handle your money
3. People who handle your system

I won't help you circumvent their security, but I feel that you should be advised against this as strongly as possible.

 

[LloydSev]

From my understanding of hopster doesn't it just re-route traffic to an outside proxy?

The beauty of my network, is that all traffic leaving my network must go through my proxy in order to access the outside.. the PIX blocks all traffic coming from all other machines.

Computer/Network Technician
CCNA

 

[POLMafia]

I see a fireing comming for someone in the near future

 

[LloydSev]

Well.. when you infect the entire network with viruses, and it's traced back to you, and you lose your job... you'll care..

BTW.. if you start pulling in major bandwidth, they'll figure it out really quick.

Computer/Network Technician
CCNA

 

[chriscj21]

From my understanding of hopster doesn't it just re-route traffic to an outside proxy?


ChrisCj21
MCSE, A+, N+

 

[westredd]

go and ask the networks system adminsitrator why it dont work.