ping behind ntlm proxy

hello.

i'm behind a NTLM proxy, using cntlm.
there is no problem using firefox if i set the cntlm's proxy in the settings

when i try to set the http proxy
Code:
$ export http_proxy="http://127.0.0.1:3128"

and after try to ping http://www.google.com, it seems to resolve the address but... nothing else
Code:
$ ping www.google.com
PING www.l.google.com (209.85.227.106): 56 data bytes
^C
--- www.l.google.com ping statistics ---
20 packets transmitted, 0 packets received, 100.0% packet loss

what am i doing wrong? i searched the web and the forum but... no clues so far.

Code:
$ uname -prs
FreeBSD 8.0-RELEASE i386
 
I use cntlm behind ISA at work too.
ping does not work, even from a windows box.

ICMP traffic is probably being filtered.
 
of course...

i feel soooo stupid. i thought i was doing something wrong but highly probably they are filtering it.
they filter everything, anyway.

thanks
 
You do understand that setting an http proxy setting has zero effect on icmp traffic like ping? They're totally unrelated protocols.
 
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