Daniel Kao wrote:
>
> It's been almost a year since I've visited this mailing-list... And
> (un)fortuantely, I'm back and need your help.
>
> My current setup is a IP Masq box with Slackware v3.4 with the 2.0.33
> kernel. IP Masq works great however, an old problem has crept back (...
> actually, probably never left). I've sifted thru DejaNews and archives of
> the IPMasq mailing list but didn't find a solution. Here's the problem:
>
> ppp0 goes up and IP Masq is started. I do some lynx and telnet from the IP
> Masq box. Soon after, all out-going connections from the clients *on* the IP
> Masq can no longer open connections. However, nslookup and ping still work.
> But I cannot telnet or ftp or www out *from* the IP Masq box.
My guess is that your ipfwadm settings are screwed up.
nslookup uses UDP to connect to the DNS server, ping uses ICMP.
All the stuff you have problems with uses TCP. So I would start investigating in
that direction. MTU should not matter in this case, since MTU would affect
everything.
-Joe
--
Joachim Feise Microsoft Certified Solution Developer
mailto:[EMAIL PROTECTED] http://www.ics.uci.edu/~jfeise/
mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]
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