tracert doesn't work - tech ???

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tracert doesn't work - tech ???

Postby Jim0322 » Fri Jan 30, 2004 10:49 am

tracert does not work. My ISP has a deal with the university so that I connect to the internet through a virtual private network - VPN. tracert does not work for me, it just gets no results. I also noticed that tracert does not work from university computers.

Does tracert only work on certain types of networks? Ping works fine from home or the university.

Thanks,
Jim

Spectre Sr

Postby Spectre Sr » Fri Jan 30, 2004 11:18 am

firewall is probably blocking some ICMP traffic

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Postby SHWoff » Fri Jan 30, 2004 2:02 pm

firewall is probably blocking some ICMP traffic


Yep. Many enterprises and some ISPs are blocking ICMP due to the fact that some of the recent worms use ICMP to 'probe for victims'. If it gets a response, it attempts to infect.

Not much you can do about it....
Give a man a fish and he'll eat for a day. Teach a man to fish and he'll sit in the boat and drink beer all day...

senwolf31

Postby senwolf31 » Fri Jan 30, 2004 3:35 pm

most colleges block tracert and other icmp tools so that thier networks may not be maped etc

Fat Bastard

Postby Fat Bastard » Fri Jan 30, 2004 7:05 pm

Can you call your ISP and get the their Gateway so maybe one of the admins can ping you from thier server to the gateway. That might help narrow down the packet loss issue. If it shows no losses there then could get your ISP to check their side to your IP. Just a thought.

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