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Sorry & thanks, I hate it to recognize I asked an RTFM-question ;) It
works fine after inserting this..

I just found problems with POP3 because theres always a dns-query
preceeding a www or ftp session and so this worked because my named
asked the second dns-server while not receiving an answer to the first
query.. redundancy can be good ;)

Michael Markstaller


> -----Original Message-----
> From: Charles Shoemaker [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, April 15, 1999 4:21 PM
> To: Michael Markstaller; [EMAIL PROTECTED]
> Subject: Re: [Masq] Problems with POP3
> 
> 
> Michael:
> If you have a dynamic IP, you need to have this line somewhere in 
> your startup (mine's in /etc/rc.d/rc.local):
> 
> echo 1 > /proc/sys/net/ipv4/ip_dynaddr
> 
> I'm not familiar with your isdn setup, but my guess is that the 
> connection starts with the isdn interface using the address from its

> last connection.  So, your first packet, the pop3 connect, gets
lost.
> 
> If this doesn't do it, let us know.
> 
> Charlie Shoemaker
> 
> > From:          "Michael Markstaller" <[EMAIL PROTECTED]>
> > To:            <[EMAIL PROTECTED]>
> > Subject:       [Masq]  Problems with POP3
> > Date:          Thu, 15 Apr 1999 13:48:43 +0200
> > Importance:    Normal
> 
> > When my Email-client (Outlook98/Outlook express) initiates 
> a connection to
> > the ISP to fetch the mail from my pop3 mailbox, the 
> isdn-connection is made
> > but no data is transferred, (i get an error-message after 
> the configured
> > pop3-timeout, that the mailserver could not be contacted). If the
> > ISDN-.connection is already up, there's no problem. 
> Everything else (www,
> > ftp etc.) works fine. I already tried to adjust the 
> timeout-values in OL,
> > but this only affects the time until I get the errormessage.
> > I read about an issue with SMTP where it helped to adjust 
> the MTU/MRU, but
> > this was with a modem connection. I tried to adjust MTU/MRU 
> to 500, but with
> > the same results.
> > Any ideas ?
> > I also have a minor problem, when I use the local squid 
> installed on the
> > router, I must hit refresh after the dial-up connection is 
> made to get the
> > page actually. But maybe this is offtopic, I also haven't 
> debugged this
> > problem right now.
> > 
> > My config:
> > Suse Linux 6.0, Kernel 2.0.36
> > Masquerading & Firewall enabled, no special rules (built by 
> SuSEconfig)
> > Teles S0 16.3 ISDN-Connection to arcor (german internet by call)
> > 
> > I'm no linux-crack, but know much about IP, NT, ISDN etc., 
> so I think it's
> > no simple configuration error..
> > 
> > Michael Markstaller
> > 
> > 
> > _______________________________________________
> > Masq maillist  -  [EMAIL PROTECTED]
> > http://tiffany.indyramp.com/mailman/listinfo/masq
> > Admin requests can be handled by web (above) or 
> [EMAIL PROTECTED]
> > 
>  
> 
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