I can't connect to my ISP's news server
From: Rich (rfernandez_at_arrow.com)
Date: 04/06/04
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Date: 6 Apr 2004 12:23:51 -0700
I have 2 Openbsd boxes, 1 Freebsd box and a WinXP sitting behind a
Linksys router that is connected to a cable modem.
I'm not running any filters on any of these boxes. They're all default
installs.
I have no trouble connecting to my ISP's news server using the FreeBSD
box (using tin) or the Windows box (using OE), but I can't get to it
from either of the OBSD boxes (using tin or "telnet news 119").
I can ping the news server (and everything else that I care to try).
I've used traceroute, and after discovering the -P ICMP flag, I was
able to trace all the way to the server. Traceroute using UDP doesn't
return anything.
/etc/mygate is set to the address of my Linksys router when I'm
connected to it, or to the address of my ISP's router when I'm not
connected
to it. This I got from their documentation.
resolv.conf is set to include my ISP's nameservers, which, again, I
got
from their docs. I can resolve any name I choose. Using an IP address
makes no difference.
>From OBSD I can issue SMTP, HTTP, FTP, and DNS requests without any
trouble. I only have an issue when trying to get to their news server.
One other thing...I've run tcpdumps and can see TCP connection attemps
leaving the OBSD boxes, but I never see anything coming back. It
doesn't work when I
connect one of the OBSD boxes directly to the cable modem either. I'm
not
sure why this would be the case or what else I can check.
There's nothing on my end that I can think of that would prevent me
from issuing NNTP requests, especially since everything else seems to
work, and so I'm at a loss.
Any help would be greatly appreciated.
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