Tracert outputs timeouts but internet is fine?

[daglugub37]

Not sure if this is the right forum but here we go.

I am trying to learn about internet connections. Currenctly my dial-up through a modem is working, so I wanted to take this opportunity to run a tracert and record normal output while all is well.

I think i understand the syntax and theory behind this command but i am not getting usable output.

I am entering tracert yahoo.com(tried other sites as well). I keep getting:
* * * Request Timed Out
* * * Request Timed Out
* * * Request Timed Out
etc.

Again i have no problem hitting any sites. Any thoughts

 

[mattjurado]

Its normal to get time outs when using tracert. Of course, if that is ALL you get, then it is a problem. The time out requests are just routers/gateways not responding in the time requested by your system. You might even get a few in a row, perfectly normal.

I typed tracert

http://www.yahoo.com

from my laptop, had no problems.

If you are getting nothing but time out errors, try at a later time, your ISP might have a lot of traffic (or cannot handle a high volume of traffic). You might also contact your isp, they might have a firewall blocking certain communications.

Matt J.

 

[daglugub37]

hmm...very weird, I don't think what i am getting is normal. All i get is timeouts on all 30 hops if i let it go that long. also i think normal timeouts will at least give the ip of the router it is trying to hit. I get no output for any fields, no IPs, no TTL values...nothing but timeouts.

But again i can bring up yahoo.com and all other sites in my browser very quickly.

You may be onto something with firewall/ or ISP placing limitations on utilty information i can gather while still letting me browse web pages.

 

[pansophic]

It is probably that the ISP is blocking ICMP request/replies, which is a common method that is used to keep people from mapping their network. Mapping a network is frequently performed by hackers to choose high value targets for exploitation.

Take a look at lft (layer four traceroute) and hping, both of which allow you to perform a traceroute using TCP rather than ICMP. hping allows UDP as well as some other very interesting options that allow you to test firewall rulesets.

If you are a windows user, then you will probably have to use lft. LFT's defaults are pretty effective for what you are trying to do.

http://www.mainnerve.com/lft/

http://www.hping.org

pansophic